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Journal articles on the topic 'Bactrocera – Queensland'

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Author: Grafiati

Published: 10 December 2022

Last updated: 29 January 2023

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1

Dominiak, B. C., H. S. Mavi, and H. I. Nicol. "Effect of town microclimate on the Queensland fruit fly Bactrocera tryoni." Australian Journal of Experimental Agriculture 46, no. 9 (2006): 1239. http://dx.doi.org/10.1071/ea04217.

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Weekly data from the urban and rural environments of numerous Australian inland towns were used to assess the impact of urban environments on the potential growth rate of the Queensland fruit fly. The urban environments were warmer and more moist than adjacent rural environments, making rural landscapes less attractive for fruit fly. Further analysis of climatic data revealed an acute negative water balance during the summer season. Under this harsh environment, the health and greenness of urban backyards and parks is maintained with frequent use of urban irrigation. This study aims to quantify the impact of urban hydrology on environmental conditions for the population potential of Queensland fruit fly in south-eastern New South Wales. CLIMEX, a climate-driven simulation model, was used in this study. Results indicated that throughout the winter season, low temperatures kept the Queensland fruit fly under control, irrespective of any other factor, including favourable moisture conditions. During summer, moisture was the major limiting factor. Even partial irrigation reduced the limiting effects of the deficiency of rainfall often experienced during midsummer. Irrigation also resulted in a large increase in the duration of the favourable period for the potential growth of fruit fly and an almost complete removal of unfavourable periods. When irrigation water was applied at optimal or excessive levels, the duration of favourable conditions for the Queensland fruit fly extended beyond the summer season. For the Queensland fruit fly, towns appear to be oases compared with the surrounding rural desert. Queensland fruit fly is unlikely to travel freely between towns, minimising chances of reinvasion once a resident population has been eliminated.

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2

BLACKET, MARK J., LINDA SEMERARO, and MALLIK B. MALIPATIL. "Barcoding Queensland Fruit Flies ( Bactrocera tryoni ): impediments and improvements." Molecular Ecology Resources 12, no. 3 (February 27, 2012): 428–36. http://dx.doi.org/10.1111/j.1755-0998.2012.03124.x.

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3

Zhao, J. T., M. Frommer, J. A. Sved, and A. Zacharopoulou. "Mitotic and polytene chromosome analyses in the Queensland fruit fly, Bactrocera tryoni (Diptera: Tephritidae)." Genome 41, no. 4 (August 1, 1998): 510–26. http://dx.doi.org/10.1139/g98-053.

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The Queensland fruit fly, Bactrocera tryoni, like the Mediterranean fruit fly, Ceratitis capitata, has a diploid complement of 12 chromosomes, including five pairs of autosomes and a XX/XY sex chromosome pair. Characteristic features of each chromosome are described. Chromosomal homology between B. tryoni and C. capitata has been determined by comparing chromosome banding pattern and in situ hybridisation of cloned genes to polytene chromosomes. Although the evidence indicates that a number of chromosomal inversions have occurred since the separation of the two species, synteny of the chromosomes appears to have been maintained.Key words: tephritid fruit fly, Bactrocera tryoni, polytene chromosomes, in situ hybridisation, chromosomal homology.

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4

Park, Soo J., Gunjan Pandey, Cynthia Castro-Vargas, John G. Oakeshott, Phillip W. Taylor, and Vivian Mendez. "Cuticular Chemistry of the Queensland Fruit Fly Bactrocera tryoni (Froggatt)." Molecules 25, no. 18 (September 12, 2020): 4185. http://dx.doi.org/10.3390/molecules25184185.

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The cuticular layer of the insect exoskeleton contains diverse compounds that serve important biological functions, including the maintenance of homeostasis by protecting against water loss, protection from injury, pathogens and insecticides, and communication. Bactrocera tryoni (Froggatt) is the most destructive pest of fruit production in Australia, yet there are no published accounts of this species’ cuticular chemistry. We here provide a comprehensive description of B. tryoni cuticular chemistry. We used gas chromatography-mass spectrometry to identify and characterize compounds in hexane extracts of B. tryoni adults reared from larvae in naturally infested fruits. The compounds found included spiroacetals, aliphatic amides, saturated/unsaturated and methyl branched C12 to C20 chain esters and C29 to C33 normal and methyl-branched alkanes. The spiroacetals and esters were found to be specific to mature females, while the amides were found in both sexes. Normal and methyl-branched alkanes were qualitatively the same in all age and sex groups but some of the alkanes differed in amounts (as estimated from internal standard-normalized peak areas) between mature males and females, as well as between mature and immature flies. This study provides essential foundations for studies investigating the functions of cuticular chemistry in this economically important species.

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5

Sherwin, William B., Marianne Frommer, John A. Sved, Kathryn A. Raphael, John G. Oakeshott, Deborah C. A. Shearman, and A. Stuart Gilchrist. "Tracking invasion and invasiveness in Queensland fruit flies: From classical genetics to ‘omics’." Current Zoology 61, no. 3 (June 1, 2015): 477–87. http://dx.doi.org/10.1093/czoolo/61.3.477.

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Abstract Three Australian tephritid fruit flies (Bactrocera tryoni - Q-fly, Bactrocera neohumeralis - NEO, and Bactrocera jarvisi - JAR) are promising models for genetic studies of pest status and invasiveness. The long history of ecological and physiological studies of the three species has been augmented by the development of a range of genetic and genomic tools, including the capacity for forced multigeneration crosses between the three species followed by selection experiments, a draft genome for Q-fly, and tissue- and stage-specific transcriptomes. The Q-fly and NEO species pair is of particular interest. The distribution of NEO is contained entirely within the wider distribution of Q-fly and the two species are ecologically extremely similar, with no known differences in pheromones, temperature tolerance, or host-fruit utilisation. However there are three clear differences between them: humeral callus colour, complete pre-mating isolation based on mating time-of-day, and invasiveness. NEO is much less invasive, whereas in historical times Q-fly has invaded southeastern Australia and areas of Western Australia and the Northern Territory. In southeastern fruit-growing regions, microsatellites suggest that some of these outbreaks might derive from genetically differentiated populations overwintering in or near the invaded area. Q-fly and NEO show very limited genome differentiation, so comparative genomic analyses and QTL mapping should be able to identify the regions of the genome controlling mating time and invasiveness, to assess the genetic bases for the invasive strains of Q-fly, and to facilitate a variety of improvements to current sterile insect control strategies for that species.

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6

Muthuthantri, Sakuntala, Derek Maelzer, Myron P. Zalucki, and Anthony R. Clarke. "The seasonal phenology of Bactrocera tryoni (Froggatt) (Diptera: Tephritidae) in Queensland." Australian Journal of Entomology 49, no. 3 (August 22, 2010): 221–33. http://dx.doi.org/10.1111/j.1440-6055.2010.00759.x.

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7

PEREZ-STAPLES, D., A. M. T. HARMER, and P. W. TAYLOR. "Sperm storage and utilization in female Queensland fruit flies (Bactrocera tryoni)." Physiological Entomology 32, no. 2 (June 2007): 127–35. http://dx.doi.org/10.1111/j.1365-3032.2006.00554.x.

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8

Zhao, J. T. "Genetic and Molecular Markers of the Queensland Fruit Fly, Bactrocera tryoni." Journal of Heredity 94, no. 5 (September 1, 2003): 416–20. http://dx.doi.org/10.1093/jhered/esg088.

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9

Lawson, Kiaran K. K., and Mandyam V. Srinivasan. "Contrast sensitivity and visual acuity of Queensland fruit flies (Bactrocera tryoni)." Journal of Comparative Physiology A 206, no. 3 (February 3, 2020): 419–28. http://dx.doi.org/10.1007/s00359-020-01404-y.

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10

Heather, N. W., P. M. Peterson, and R. A. Kopittke. "Quarantine disinfestation of capsicums against Queensland fruit fly (Diptera : Tephritidae) with dimethoate." Australian Journal of Experimental Agriculture 39, no. 7 (1999): 897. http://dx.doi.org/10.1071/ea97149.

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Summary. A postharvest dimethoate treatment at 400 mg/L applied through a packing-line spray system achieved >99.99% efficacy as a quarantine disinfestation method against Queensland fruit fly, Bactrocera tryoni (Froggatt) infesting capsicums (peppers), Capsicum annuum L. There were no survivors in confirmatory tests on fruit containing 77 130 eggs, the most tolerant life stage. The spray system thoroughly wetted fruit at a delivery rate of 9.2 L/min.m2 for a minimum time of 1 min.

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11

Heather, N. W., R. A. Kopittke, and E. A. Pike. "A heated air quarantine disinfestation treatment against Queensland fruit fly (Diptera: Tephritidae) for tomatoes." Australian Journal of Experimental Agriculture 42, no. 8 (2002): 1125. http://dx.doi.org/10.1071/ea01022.

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A circulated heated-air treatment at 92% RH to achieve and maintain a minimum fruit core temperature of 44°C for 2 h is shown to disinfest tomatoes against Queensland fruit fly, Bactrocera tryoni (Froggatt) for market access quarantine purposes. The efficacy of the treatment exceeded 99.99%, tested at the 95% confidence level. An estimated 78 439 eggs were used for large-scale trials, as the stage of the pest most tolerant of heat at the treatment temperature.

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12

WELDON, CHRISTOPHER W., and PHILLIP W. TAYLOR. "Desiccation resistance of adult Queensland fruit flies Bactrocera tryoni decreases with age." Physiological Entomology 35, no. 4 (November 15, 2010): 385–90. http://dx.doi.org/10.1111/j.1365-3032.2010.00744.x.

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13

COLLINS, SAMUEL R., and PHILLIP W. TAYLOR. "Fecundity, fertility and reproductive recovery of irradiated Queensland fruit fly Bactrocera tryoni." Physiological Entomology 36, no. 3 (June 20, 2011): 247–52. http://dx.doi.org/10.1111/j.1365-3032.2011.00790.x.

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14

Fanson, Benjamin G., Ingrid E. Petterson, and Phillip W. Taylor. "Diet quality mediates activity patterns in adult Queensland fruit fly (Bactrocera tryoni)." Journal of Insect Physiology 59, no. 7 (July 2013): 676–81. http://dx.doi.org/10.1016/j.jinsphys.2013.04.005.

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15

Fanson, Benjamin G., Christopher W. Weldon, Diana Pérez-Staples, Stephen J. Simpson, and Phillip W. Taylor. "Nutrients, not caloric restriction, extend lifespan in Queensland fruit flies (Bactrocera tryoni)." Aging Cell 8, no. 5 (October 2009): 514–23. http://dx.doi.org/10.1111/j.1474-9726.2009.00497.x.

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16

Moadeli, Tahereh, Phillip W. Taylor, and Fleur Ponton. "High productivity gel diets for rearing of Queensland fruit fly, Bactrocera tryoni." Journal of Pest Science 90, no. 2 (November 17, 2016): 507–20. http://dx.doi.org/10.1007/s10340-016-0813-0.

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17

Tasnin, Mst Shahrima, Rehan Silva, Katharina Merkel, and Anthony R. Clarke. "Response of Male Queensland Fruit Fly (Diptera: Tephritidae) to Host Fruit Odors." Journal of Economic Entomology 113, no. 4 (May 15, 2020): 1888–93. http://dx.doi.org/10.1093/jee/toaa084.

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Abstract The surveillance and management of Dacini fruit fly pests are commonly split by fly gender: male trapping focuses on the dacine ‘male-lures’, whereas female trapping focuses on lures based on host-fruit volatiles. Although the males of several Dacini species have been reported to be attracted to host fruit volatiles, the option of using host-fruit traps for males has, to date, been ignored. Males of the cue-lure responsive fruit fly Bactrocera tryoni (Froggatt) have been recorded as responding to host-fruit volatile blends, but it is not known how frequently this happens, if it is age-dependent, or the strength of the response relative to cue-lure throughout the year. Here, we conducted an olfactometer experiment to test the lifetime (weeks 1–15) response of B. tryoni males to the odor of tomato, a known host of this fly, and compare catches of wild males to tomato-based traps and cue-lure traps in the field. Bactrocera tryoni males started to respond to tomato odor as they sexually matured (2 to 3 wk olds) and thereafter showed consistent olfactory response until advanced age (15 wk). In the field, wild males were captured by tomato-based traps throughout the year at a level not significantly different from cue-lure traps. The reason for the consistent B. tryoni male response to host fruit odor at this stage is not known, but it certainly occurs at a level greater than can be continued to be ignored for both basic and applied research.

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18

Royer, Jane E., Keng Hong Tan, and David G. Mayer. "Comparative Trap Catches of Male Bactrocera, Dacus, and Zeugodacus Fruit Flies (Diptera: Tephritidae) With Four Floral Phenylbutanoid Lures (Anisyl Acetone, Cue-Lure, Raspberry Ketone, and Zingerone) in Queensland, Australia." Environmental Entomology 49, no. 4 (June 9, 2020): 815–22. http://dx.doi.org/10.1093/ee/nvaa056.

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Abstract The male fruit fly attractants, cue-lure (CL) and raspberry ketone (RK), are important in pest management. These volatile phenylbutanoids occur in daciniphilous Bulbophyllum Thouar (Orchidaceae: Asparagales) orchids, along with zingerone (ZN) and anisyl acetone (AA). While these four compounds attract a similar range of species, their relative attractiveness to multiple species is unknown. We field tested these compounds in two fruit fly speciose locations in north Queensland, Australia (Lockhart and Cairns) for 8 wk. Of 16 species trapped in significant numbers, 14 were trapped with CL and RK, all in significantly greater numbers with CL traps than RK traps (at least in higher population locations). This included the pest species Bactrocera tryoni (Froggatt) (Diptera: Tephritidae) (CL catches ca. 5× > RK), Bactrocera neohumeralis (Hardy) (Diptera: Tephritidae) and Bactrocera bryoniae (Tryon) (Diptera: Tephritidae) (CL catches ca. 3× > RK), and Bactrocera frauenfeldi (Schiner) (Diptera: Tephritidae) (in Cairns—CL catches ca. 1.6× > RK). Seven species were trapped with AA, and all were also caught in CL and RK traps in significantly greater numbers, with the exception of B. frauenfeldi. For this species, catches were not statistically different with CL, RK, and AA in Lockhart, and RK and AA in Cairns. Seven species were trapped with ZN, two at this lure only, and the remainder also with CL or RK but in significantly greater numbers. This is the first quantitative comparison of the relative attractiveness of CL, RK, AA, and ZN against multiple species, and supports the long-held but untested assumption that CL is broadly more attractive lure than RK.

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19

Sutherst, Robert W., Ben S. Collyer, and Tania Yonow. "The vulnerability of Australian horticulture to the Queensland fruit fly, Bactrocera (Dacus) tryoni, under climate change." Australian Journal of Agricultural Research 51, no. 4 (2000): 467. http://dx.doi.org/10.1071/ar98203.

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The vulnerability of horticultural industries in Australia to the Queensland fruit fly Bactrocera (Dacus) tryoni under climate change is examined. Vulnerability is defined in terms of sensitivity and adaptation options. Regional estimates of fruit fly density are fed into an economic model that takes account of costs of damage, management, regulation and research. Sensitivity analyses are used to estimate potential future costs under climate change by recalculating costs with increases in temperature of 0.5˚C, 1.0˚C and 2˚C. It is assumed that irrigation will automatically compensate for any changes in rainfall. The current national, annual cost of Queensland fruit fly is estimated to be $AU28.5 million/year ($25.7–49.9 million), with 60% of the cost borne by commercial growers. Climatic warming threatens the sustainability of area freedom in the Fruit Fly Exclusion Zone (FFEZ) and is likely to increase damage and control costs to commercial growers in endemic areas, except in northern Australia. Costs to mainland apple, orange, and pear growers are estimated to increase by $3.1, $4.7, and $12.0 million with increases of 0.5˚C, 1.0˚C, and 2˚C, respectively. These represent increases of 25%, 38%, and 95%, respectively, but do not reflect the greatly increased risks of failure to maintain area freedom in the FFEZ. Growers in endemic Queensland fruit fly areas can expect their costs to increase 42–82%, compared with 24–83% in the FFEZ. Increased damage to backyard growers is likely, especially in South Australia and Victoria. Thus the fly poses a real threat to southern States under modest projected increases in temperatures. The extent of the likely cost increases raises questions about the industries’ ability to pay and remain competitive. The current analysis illustrates the potential benefits of taking a national and strategic approach to the management of insect pests in Australia. A combination of CLIMEX modelling, sensitivity analysis and mapping provided valuable insights into both industry and regional vulnerabilities. Adaptation options require further quantification, but that awaits a credible population model of Queensland fruit fly. Costs need to be discounted, depending on the expected timing of the temperature increases.

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20

Nguyen, V. L., A. Meats, G. A. C. Beattie, R. Spooner-Hart, Z. M. Liu, and L. Jiang. "Behavioural responses of female Queensland fruit fly, Bactrocera tryoni, to mineral oil deposits." Entomologia Experimentalis et Applicata 122, no. 3 (March 2007): 215–21. http://dx.doi.org/10.1111/j.1570-7458.2006.00504.x.

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21

Moadeli, T., B. Mainali, F. Ponton, and P. W. Taylor. "Evaluation of yeasts in gel larval diet for Queensland fruit fly, Bactrocera tryoni." Journal of Applied Entomology 142, no. 7 (June 2, 2018): 679–88. http://dx.doi.org/10.1111/jen.12520.

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22

Langford, Eliza A., Uffe N. Nielsen, Scott N. Johnson, and Markus Riegler. "Susceptibility of Queensland fruit fly, Bactrocera tryoni (Froggatt) (Diptera: Tephritidae), to entomopathogenic nematodes." Biological Control 69 (February 2014): 34–39. http://dx.doi.org/10.1016/j.biocontrol.2013.10.009.

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23

Sutherst, Robert W., and Tania Yonow. "The geographical distribution of the Queensland fruit fly, Bactrocera (Dacus) tryoni, in relation to climate." Australian Journal of Agricultural Research 49, no. 6 (1998): 935. http://dx.doi.org/10.1071/a97152.

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CLIMEX is used to analyse the potential distribution of the Queensland fruit fly in relation to long-term average meteorological data. Different hypotheses on the mechanisms limiting the distribution of this species are examined. The analyses indicate that different CLIMEX models discriminate between locations in different ways. In particular, the models describing the limiting effects of cold stress yield substantially different estimates of the areas that can support overwintering populations. With the threshold temperature model of cold stress, extreme low temperatures exclude flies from high-altitude areas, but fail to exclude them from areas known not to support overwintering populations. These areas can only be rendered unfavourable by using the degree-day model of cold stress, which prevents sufficient thermal accumulation above the developmental threshold to maintain basic metabolic processes for long periods. In contrast, 2 models describing different modes of heat stress accumulation provide similar results and are interchangeable. Our analyses also indicate the potential for agricultural practices, such as irrigation, to alter quite dramatically the suitability of an area for Queensland fruit fly, and impact upon its geographical distribution and the pattern of activity.

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24

Hull, Craig D., and Bronwen W. Cribb. "Ultrastructure of the antennal sensilla of Queensland fruit fly, Bactrocera tryoni (Froggatt) (Diptera: Tephritidae)." International Journal of Insect Morphology and Embryology 26, no. 1 (January 1997): 27–34. http://dx.doi.org/10.1016/s0020-7322(97)00005-6.

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25

Dominiak, B. C., A. E. Westcott, and I. M. Barchia. "Release of sterile Queensland fruit fly, Bactrocera tryoni (Froggatt) (Diptera: Tephritidae), at Sydney, Australia." Australian Journal of Experimental Agriculture 43, no. 5 (2003): 519. http://dx.doi.org/10.1071/ea01146.

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Four releases of sterile Queensland fruit flies were used in Sydney to assess their flight and distribution characteristics. Flies were detected within 400 m of the release site but did not reach the 5 km trapping array. The distribution was more pronounced towards the north-east and it may have been linked with strong wind prevailing in that direction. CLIMEX was used to indicate that the distribution was not limited by adverse weather. The distribution tended to agree with the formula predicted by Meats (1998). Flies marked with orange dye resulted in the highest recapture rate compared with pink, green and blue dyes. The possible reduction in quarantine radius, following a declared outbreak, is discussed.

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26

Meats, A., and C. L. Hartland. "Upwind anemotaxis in response to cue‐lure by the Queensland fruit fly, Bactrocera tryoni." Physiological Entomology 24, no. 1 (March 1999): 90–97. http://dx.doi.org/10.1046/j.1365-3032.1999.00118.x.

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27

Siderhurst, Matthew S., Soo J. Park, Caitlyn N. Buller, Ian M. Jamie, Nicholas C. Manoukis, Eric B. Jang, and Phillip W. Taylor. "Raspberry Ketone Trifluoroacetate, a New Attractant for the Queensland Fruit Fly, Bactrocera Tryoni (Froggatt)." Journal of Chemical Ecology 42, no. 2 (February 2016): 156–62. http://dx.doi.org/10.1007/s10886-016-0673-3.

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28

Adnan, Saleh Mohammad, Vivian Mendez, Renata Morelli, Humayra Akter, Iffat Farhana, and Phillip W. Taylor. "Dietary methoprene supplement promotes early sexual maturation of male Queensland fruit fly Bactrocera tryoni." Journal of Pest Science 91, no. 4 (July 13, 2018): 1441–54. http://dx.doi.org/10.1007/s10340-018-1017-6.

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29

Majumder, Rajib, Brodie Sutcliffe, Phillip W. Taylor, and Toni A. Chapman. "Microbiome of the Queensland Fruit Fly through Metamorphosis." Microorganisms 8, no. 6 (May 26, 2020): 795. http://dx.doi.org/10.3390/microorganisms8060795.

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Bactrocera tryoni (Froggatt) (Queensland fruit fly, or “Qfly”) is a highly polyphagous tephritid fruit fly and a serious economic pest in Australia. Qfly biology is intimately linked to the bacteria and fungi of its microbiome. While there are numerous studies of the microbiome in larvae and adults, the transition of the microbiome through the pupal stage remains unknown. To address this knowledge gap, we used high-throughput Next-Generation Sequencing (NGS) to examine microbial communities at each developmental stage in the Qfly life cycle, targeting the bacterial 16S rRNA and fungal ITS regions. We found that microbial communities were similar at the larval and pupal stage and were also similar between adult males and females, yet there were marked differences between the larval and adult stages. Specific bacterial and fungal taxa are present in the larvae and adults (fed hydrolyzed yeast with sugar) which is likely related to differences in nutritional biology of these life stages. We observed a significant abundance of the Acetobacteraceae at the family level, both in the larval and pupal stages. Conversely, Enterobacteriaceae was highly abundant (>80%) only in the adults. The majority of fungal taxa present in Qfly were yeasts or yeast-like fungi. In addition to elucidating changes in the microbiome through developmental stages, this study characterizes the Qfly microbiome present at the establishment of laboratory colonies as they enter the domestication process.

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Gilchrist, A. S., B. Dominiak, P. S. Gillespie, and J. A. Sved. "Variation in population structure across the ecological range of the Queensland fruit fly, Bactrocera tryoni." Australian Journal of Zoology 54, no. 2 (2006): 87. http://dx.doi.org/10.1071/zo05020.

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We sampled a pest fruit fly species, the Queensland fruit fly, Bactrocera tryoni, across its entire ecological range in eastern Australia, from ancestral high-density populations in tropical regions through to isolated outbreak populations in marginal arid areas. Using DNA microsatellite markers, we found that in ancestral areas, population differentiation was low and populations were genetically homogeneous over large distances. In more temperate areas, populations were far more genetically differentiated but there was no pattern of isolation-by-distance (no drift/migration equilibrium). Genetic drift appeared to be the major influence on population differentiation. The transition between these extremes was abrupt and unexpectedly far from the species border. Limited geographic structuring among the non-equilibrium populations was apparent from patterns of genetic differentiation, patterns of allelic richness and an ordination analysis. Our results also suggested that there might be recurring migration of flies into a neighbouring quarantine area.

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Cameron, E. C., J. A. Sved, and A. S. Gilchrist. "Pest fruit fly (Diptera: Tephritidae) in northwestern Australia: one species or two?" Bulletin of Entomological Research 100, no. 2 (July 14, 2009): 197–206. http://dx.doi.org/10.1017/s0007485309990150.

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AbstractSince 1985, a new and serious fruit fly pest has been reported in northwestern Australia. It has been unclear whether this pest was the supposedly benign endemic species, Bactrocera aquilonis, or a recent introduction of the morphologically near-identical Queensland fruit fly, B. tryoni. B. tryoni is a major pest throughout eastern Australia but is isolated from the northwest region by an arid zone. In the present study, we sought to clarify the species status of these new pests using an extensive DNA microsatellite survey across the entire northwest region of Australia. Population differentiation tests and clustering analyses revealed a high degree of homogeneity within the northwest samples, suggesting that just one species is present in the region. That northwestern population showed minimal genetic differentiation from B. tryoni from Queensland (FST=0.015). Since 2000, new outbreaks of this pest fruit fly have occurred to the west of the region, and clustering analysis suggested recurrent migration from the northwest region rather than Queensland. Mitochondrial DNA sequencing also showed no evidence for the existence of a distinct species in the northwest region. We conclude that the new pest fruit fly in the northwest is the endemic population of B. aquilonis but that there is no genetic evidence supporting the separation of B. aquilonis and B. tryoni as distinct species.

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32

Dominiak, Bernard C., Peter S. Gillespie, Niharika Sharma, Solomon Balagawi, Idris M. Barchia, and Olivia L. Reynolds. "Reduced quality parameters in adult Queensland fruit fly ( Bactrocera tryoni ) after pupal irradiation and transportation." Entomologia Experimentalis et Applicata 169, no. 7 (May 13, 2021): 623–28. http://dx.doi.org/10.1111/eea.13052.

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33

Weldon, Christopher W., Diana Perez-Staples, and Phillip W. Taylor. "Feeding on yeast hydrolysate enhances attraction to cue-lure in Queensland fruit flies,Bactrocera tryoni." Entomologia Experimentalis et Applicata 129, no. 2 (November 2008): 200–209. http://dx.doi.org/10.1111/j.1570-7458.2008.00768.x.

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34

Kumaran, N., and A. R. Clarke. "Indirect effects of phytochemicals on offspring performance of Queensland fruit fly, Bactrocera tryoni (Diptera: Tephritidae)." Journal of Applied Entomology 138, no. 5 (September 11, 2013): 361–67. http://dx.doi.org/10.1111/jen.12082.

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35

Gilchrist, A. S., and A. W. Meats. "Factors affecting the dispersal of large-scale releases of the Queensland fruit fly, Bactrocera tryoni." Journal of Applied Entomology 136, no. 4 (May 26, 2011): 252–62. http://dx.doi.org/10.1111/j.1439-0418.2011.01642.x.

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36

Nguyen, V. L., G. A. C. Beattie, A. W. Meats, P. Holford, and R. N. Spooner-Hart. "Oviposition responses of Queensland fruit fly (Bactrocera tryoni) to mineral oil deposits on tomato fruit." Entomologia Experimentalis et Applicata 165, no. 1 (August 17, 2017): 19–28. http://dx.doi.org/10.1111/eea.12601.

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37

Reynolds, O. L., and B. A. Orchard. "Roving and stationary release of adult sterile Queensland fruit fly, Bactrocera tryoni (Froggatt) (Diptera; Tephritidae)." Crop Protection 76 (October 2015): 24–32. http://dx.doi.org/10.1016/j.cropro.2015.06.003.

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38

Haynes, Fay E. M., and Bernie C. Dominiak. "Irradiation for phytosanitary treatment of the Queensland fruit fly Bactrocera tryoni Froggatt benefits international trade." Crop Protection 112 (October 2018): 125–32. http://dx.doi.org/10.1016/j.cropro.2018.05.018.

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39

Zamek, Ashley L., Jennifer E. Spinner, Jessica L. Micallef, Geoff M. Gurr, and Olivia L. Reynolds. "Parasitoids of Queensland Fruit Fly Bactrocera tryoni in Australia and Prospects for Improved Biological Control." Insects 3, no. 4 (October 22, 2012): 1056–83. http://dx.doi.org/10.3390/insects3041056.

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40

Park, Soo J., Matthew S. Siderhurst, Ian Jamie, and Phillip W. Taylor. "Hydrolysis of Queensland Fruit Fly, Bactrocera tryoni (Froggatt), Attractants: Kinetics and Implications for Biological Activity." Australian Journal of Chemistry 69, no. 10 (2016): 1162. http://dx.doi.org/10.1071/ch16073.

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Queensland fruit fly (Q-fly), Bactrocera tryoni (Froggatt), is a major insect pest of horticultural crops in Australia. Cuelure is the most commonly used attractant for monitoring as well as for management of Q-fly populations through the male annihilation technique and mass trapping. There has been some concern that cuelure is susceptible to hydrolysis, which would limit its usefulness under conditions of high humidity and give rise to inconsistent fly population monitoring. To give some insight into the hydrolysis of cuelure and two closely related compounds, melolure and a newly developed lure, 4-(4-(2,2,2-trifluoroacetoxy)phenyl)-2-butanone (RKTA), the kinetics of hydrolysis of these compounds were quantitatively investigated by gas chromatography–flame ionization detection. From the experimental data, we found the hydrolysis half-lives of cuelure, melolure, and RKTA, at a water concentration of 25 mol L–1, to be ~20 days, 22 h, and 1.2 min respectively. When extrapolated to a water concentration of 1.3 mmol L–1, corresponding to atmospheric conditions of 100 % relative humidity at 25°C, the half-lives are ~1660, ~51, and ~1.4 years respectively.

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Stange, Gert. "Carbon Dioxide Is a Close-Range Oviposition Attractant in the Queensland Fruit Fly Bactrocera tryoni." Naturwissenschaften 86, no. 4 (April 7, 1999): 190–92. http://dx.doi.org/10.1007/s001140050595.

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42

Weldon, C. W., S. Yap, and P. W. Taylor. "Desiccation resistance of wild and mass-reared Bactrocera tryoni (Diptera: Tephritidae)." Bulletin of Entomological Research 103, no. 6 (July 18, 2013): 690–99. http://dx.doi.org/10.1017/s0007485313000394.

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AbstractIn pest management programmes that incorporate the sterile insect technique (SIT), the ability of mass-reared insects to tolerate dry conditions may influence their survival after release in the field. In the present study, desiccation resistance of adult mass-reared Queensland fruit flies, Bactrocera tryoni (Frogatt) (Diptera: Tephritidae), that are routinely released in SIT programmes was compared with that of wild flies at 1, 10 and 20 days after adult eclosion. Under dry conditions without access to food or water, longevity of mass-reared B. tryoni was significantly less than that of their wild counterparts. Desiccation resistance of mass-reared flies declined monotonically with age, but this was not the case for wild flies. The sharp decline in desiccation resistance of mass-reared flies as they aged was likely explained by decreased dehydration tolerance. As in an earlier study, desiccation resistance of females was significantly lower than that of males but this was particularly pronounced in mass-reared females. Female susceptibility to dry conditions corresponded with declining dehydration tolerance with age and associated patterns of reproductive development, which suggests that water content of their oocyte load is not available for survival during periods of water stress.

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43

Kean, J. M. "Modelling winter survival mating and trapping of Queensland fruit fly in Auckland New Zealand." New Zealand Plant Protection 69 (January 8, 2016): 153–59. http://dx.doi.org/10.30843/nzpp.2016.69.5896.

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In February 2015 an established population of the Queensland fruit fly (Qfly Bactrocera tryoni) was detected in Grey Lynn Auckland It was questionable whether Qfly might successfully overwinter in Auckland and how trap efficacy and mating behaviour would be affected by winter conditions During the official biosecurity response to eradicate Qfly these questions were addressed using published Qfly models that had been developed and parameterised from biological data from its native range A model for cold acclimatisation suggested that Auckland winters would not be sufficiently cold to cause significant mortality of adult Qfly but substantial cold mortality might occur in more southern locations The temperature requirement for mating suggested mating would be relatively rare from June to October and two models for relative trap efficacy suggested that traps would be relatively ineffective until late spring (OctoberNovember) The Ministry for Primary Industrys biosecurity response was successful with no detection of Qfly after March 2015 and eradication formally declared in December 2015

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Castro-Vargas, Cynthia, Gunjan Pandey, Heng Lin Yeap, Michael J. Lacey, Siu Fai Lee, Soo J. Park, Phillip W. Taylor, and John G. Oakeshott. "Diversity and sex differences in rectal gland volatiles of Queensland fruit fly, Bactrocera tryoni (Diptera: Tephritidae)." PLOS ONE 17, no. 8 (August 24, 2022): e0273210. http://dx.doi.org/10.1371/journal.pone.0273210.

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Rectal gland volatiles are key mediators of sexual interactions in tephritid fruit flies. We used solid-phase microextraction (SPME) plus gas chromatography-mass spectrometry (GC-MS) and gas chromatography-flame ionization detection (GC-FID) to substantially expand rectal gland chemical characterisation of the Queensland fruit fly (Bactrocera tryoni (Diptera: Tephritidae); Qfly). The SPME GC-MS analysis identified 24 of the 30 compounds previously recorded from Qfly rectal glands, plus another 21 compounds that had not previously been reported. A few amides and fatty acid esters dominated the chromatograms of males and females respectively, but we also found other esters, alcohols and aldehydes and a ketone. The GC-FID analyses also revealed over 150 others, as yet unidentified, volatiles, generally in lesser amounts. The GC-FID analyses also showed 49 and 12 compounds were male- and female-specific, respectively, both in single sex (virgin) and mixed sex (mostly mated) groups. Another ten compounds were male-specific among virgins but undetected in mixed sex groups, and 29 were undetected in virgins but male-specific in mixed sex groups. The corresponding figures for females were four and zero, respectively. Most short retention time peaks (including a ketone and an ester) were male-specific, whereas most female-biased peaks (including five fatty acid esters) had long retention times. Our results indicate previously unsuspected diversity of rectal gland volatiles that might have pheromone functions in males, but far fewer in females.

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Reynolds, Olivia L., Damian Collins, Bernard C. Dominiak, and Terry Osborne. "No Sting in the Tail for Sterile Bisex Queensland Fruit Fly (Bactrocera tryoni Froggatt) Release Programs." Insects 13, no. 3 (March 9, 2022): 269. http://dx.doi.org/10.3390/insects13030269.

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Global markets do not tolerate the presence of fruit fly (Tephritidae) in horticultural produce. A key method of control for tephritidae pests, is the sterile insect technique (SIT). Several countries release a bisex strain, i.e., males and females, however the sterile male is the only sex which contributes to wild population declines when released en masse. In commercial orchards, there are concerns that sterile females released as part of bisex strains, may oviposit, i.e., ‘sting’ and cause damage to fruit, rendering it unmarketable. Australia has released a bisex strain of sterile Queensland fruit fly, Bactrocera tryoni Froggatt, for several decades to suppress wild pest populations, particularly in peri-urban and urban environments. Here, we assessed fruit damage in two commercially grown stone fruit orchards where bisex sterile B. tryoni were released, and in an orchard that did not receive sterile flies. The number of detected stings were higher in only one SIT release orchard, compared with the control; however, there was no difference between SIT and control orchards in the number of larvae detected. We showed that there is no evidence that sterile female B. tryoni released in large numbers caused stings, or damage that led to downgraded or unsaleable fruit. The bisex strain of sterile B. tryoni is recommended for use in commercial stone-fruit orchards, under the conditions in which this trial was conducted.

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46

Zhao, J. T., M. Frommer, J. A. Sved, and A. Zacharopoulou. "Mitotic and polytene chromosome analyses in the Queensland fruit fly, Bactrocera tryoni (Diptera: Tephritidae)." Genome 41, no. 4 (1998): 510–26. http://dx.doi.org/10.1139/gen-41-4-510.

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47

Collins, S. R., C. W. Weldon, C. Banos, and P. W. Taylor. "Effects of irradiation dose rate on quality and sterility of Queensland fruit flies, Bactrocera tryoni (Froggatt)." Journal of Applied Entomology 132, no. 5 (June 2008): 398–405. http://dx.doi.org/10.1111/j.1439-0418.2008.01284.x.

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48

Murphy, Kathleen M., David S. Teakle, and Ian C. MacRae. "Kinetics of Colonization of Adult Queensland Fruit Flies (Bactrocera tryoni) by Dinitrogen-Fixing Alimentary Tract Bacteria." Applied and Environmental Microbiology 60, no. 7 (1994): 2508–17. http://dx.doi.org/10.1128/aem.60.7.2508-2517.1994.

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49

Collins, S. R., and P. W. Taylor. "Flight ability procedures for mass-reared Queensland fruit flies,Bactrocera tryoni: an assessment of some variations." Entomologia Experimentalis et Applicata 136, no. 3 (August 4, 2010): 308–11. http://dx.doi.org/10.1111/j.1570-7458.2010.01030.x.

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50

WELDON, CHRISTOPHER W., JOHN PRENTER, and PHILLIP W. TAYLOR. "Activity patterns of Queensland fruit flies (Bactrocera tryoni) are affected by both mass-rearing and sterilization." Physiological Entomology 35, no. 2 (March 11, 2010): 148–53. http://dx.doi.org/10.1111/j.1365-3032.2010.00726.x.

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