Mark-Recapture Analysis of a Population of Queensland Fruit-Fly, Dacus tryoni (Frogg.) in an Orchard

Sonleitner, Frank J.; Bateman, M. A.

doi:10.2307/2539

Cited by 26 publications

(11 citation statements)

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“…We found that qualitatively, model predictions (and its literature basis) matched our empirical findings: (a) females continued egg laying as daily maxima exceeded the female activity threshold of 18°C (Bateman, 1967) and mean temperatures above 13.5°C allowed for ovarian maturation (Muthuthantri et al, 2010;Pritchard, 1970;Yonow et al, 2004); (b) juvenile stages successfully developed and produced next generation flies but until mid-August contributed few individuals only; (c) development times in the field were prolonged because of lower temperatures (Bateman, 1967;Meats, 1981;Myers, 1952;O'Loughlin, 1975;Sonleitner & Bateman, 1963;Yonow et al, 2004); and (d) flies were subjected to increased mortality rates in the field versus the laboratory (Bateman, 1967;Meats, 1984Meats, , 1981Myers, 1952;O'Loughlin, 1975;Sonleitner & Bateman, 1963;Yonow et al, 2004). The number of flies emerging in the field peaked in late August/early September, which supports the hypothesis that in subtropical regions the F1 generation of overwintering females may significantly contribute to the pronounced spring peak in fly abundance (Muthuthantri et al, 2010).…”

Section: Discussionsupporting

confidence: 79%

Temperature effects on “overwintering” phenology of a polyphagous, tropical fruit fly (Tephritidae) at the subtropical/temperate interface

Merkel

Schwarzmueller

Hulthen

et al. 2019

J Applied Entomology

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Around the world, several pest tephritids are extending their ranges from warm tropical or Mediterranean climates into cooler temperate regions. The ability to tolerate climatic diversity is uncommon among insects, and understanding the population phenology drivers of such species across different parts of their range will be critical for their management. Here, we determined the role of temperature versus fruit availability on the population phenology of Queensland fruit fly, Bactrocera tryoni. Using a field site located at the subtropical/temperate interface, with host fruits continuously available, we monitored the development times and abundance of B. tryoni, a species which has invaded temperate Australia from the tropics. From fruit samples held at ambient and controlled conditions, the abundance of emerging flies was highly variable among collection dates, but the variance did not reflect the observed changes in temperature. For most samples, the survival rate of flies in a field site was lower than predicted by a day‐degree population model fitted with mean daily field temperatures. The development time of the immature stage in the field was prolonged, presumably due to cooler ambient conditions, but the fitted day‐degree population model consistently over‐predicted estimated development times. Our results indicate that at the subtropical/temperate interface, the decline in B. tryoni populations during winter is only partly driven by temperature and host availability. We classify B. tryoni as a climate generalist, which likely employs physiological as well as behavioural mechanisms to achieve broad climatic tolerance ranges.

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Section: Discussionsupporting

confidence: 79%

Temperature effects on “overwintering” phenology of a polyphagous, tropical fruit fly (Tephritidae) at the subtropical/temperate interface

Merkel

Schwarzmueller

Hulthen

et al. 2019

J Applied Entomology

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“…Although adult Dacus may survive for many months in the field (Fletcher, 1987), particularly over winter, this is unlikely during the warmer months when breeding occurs. Sonleitner and Bateman (1963) estimated a daily survival rate during summer of 0.852 for a natural population of D. tryoni. Studies with other tephritids (Carey, 1984) show that most egg production is completed within the first 10 weeks of life, thus the estimates of fecundity made here probably do not greatly underestimate lifetime fecundity.…”

Section: Discussionmentioning

confidence: 99%

Comparative fecundity, clutch size, ovariole number and egg size of Dacus tryoni and D. jarvisi, and their relationship to body size

Fitt

1990

Entomologia Exp Applicata

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Dacus tryoni (Frogg.) (Diptera: Tephritidae) is the main tephritid pest of cultivated fruits in Australia. D. jarvisi (Tryon) is also able to infest these fruits. Some factors influencing the rate at which D. tryoni and D. jarvisi exploit patches of host fruits were examined to determine whether one species may have an advantage when they exploit the same fruits in the field. Measurements of the intrinsic rate of increase, ovariole number, clutch size and egg size and the influence of body size on these parameters were made for both species in the laboratory. Up to 10 weeks of age D. tryoni produced twice as many eggs as D. jarvisi, most during a peak 3-5 weeks after adult emergence. The difference in fecundity up to 10 weeks can be explained partly by the higher number of ovarioles in D. tryoni (38/ovary) compared to D. jarvisi (27/ovary). In addition D. tryoni produces smaller eggs than D. jarvisi and distributes them in smaller clutches; 3-4 eggs/clutch vs 10-15. In both species there was a positive correlation between ovariole number and body size (as measured by wing length). By contrast, egg size remained constant over a broad range of body sizes. The influence of these life history differences on the interaction between D. tryoni and D. jarvisi in the field is discussed.

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“…Dispersal is considered an important characteristic of B. tryoni, with both immigration and emigration playing a role in local population dynamics (Sonleitner & Bateman, 1963;Bateman & Sonleitner, 1967;Fletcher, 1973). High rates of dispersion in this species are considered an evolved behaviour associated with finding suitable hosts in rainforest (Fletcher, 1974a).…”

Section: Dispersal Distancementioning

confidence: 99%

“…Dispersive flights, in which B. tryoni travels between habitats, are likely to depend on the timing of local fruit availability. eucalypt forest) (Fletcher, 1973(Fletcher, , 1974aSonleitner & Bateman, 1963). It has been reported that flies from distant habitats enter a fruit rich locality (e.g.…”

Section: Host Availabilitymentioning

confidence: 99%

“…On the other hand, mature adult flies may move away from a previously suitable habitat under conditions of lower fruit availability, low temperatures and dryness, or if they are seeking over-wintering sites (e.g. eucalypt forest) (Fletcher, 1973(Fletcher, , 1974aSonleitner & Bateman, 1963). When undertaking prewinter dispersal, male B. tryoni are more likely to leave previously occupied habitats than females and this may be because the females are attracted by local fruit trees which are going to have ripe fruit available in the coming spring, that is females may be more influenced by future suitability of a site for oviposition than shelter (Fletcher, 1979).…”

Section: Host Availabilitymentioning

confidence: 99%

See 1 more Smart Citation

The ecology of Bactrocera tryoni (Diptera: Tephritidae): what do we know to assist pest management?

Clarke

Powell²,

Weldon

et al. 2010

Annals of Applied Biology

203

208

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The distribution, systematics and ecology of Bactrocera tryoni, the Queensland fruit fly, are reviewed. Bactrocera tryoni is a member of the B. tryoni complex of species, which currently includes four named species, viz. B. tryoni ssp., B. neohumeralis, B. melas and B. aquilonis. The species status of B. melas and B. aquilonis is unclear (they may be junior synonyms of B. tryoni) and their validity, or otherwise, needs to be confirmed as a matter of urgency. While Queensland fruit fly is regarded as a tropical species, it cannot be assumed that its distribution will spread further south under climate change scenarios. Increasing aridity and hot dry summers, as well as more complex, indirect interactions resulting from elevated CO 2 , make predicting the future distribution and abundance of B. tryoni difficult. The ecology of B. tryoni is reviewed with respect to current control approaches (with the exception of sterile insect technique (SIT) which is covered in a companion paper). We conclude that there are major gaps in the knowledge required to implement most noninsecticide-based management approaches. Priority areas for future research include host-plant interactions, protein and cue-lure foraging and use, spatial dynamics, development of new monitoring tools, investigating the use of natural enemies and better integration of fruit flies into general horticultural IPM systems.Ann Appl Biol 158 (2011) 26-54

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Mark-Recapture Analysis of a Population of Queensland Fruit-Fly, Dacus tryoni (Frogg.) in an Orchard

Cited by 26 publications

References 0 publications

Temperature effects on “overwintering” phenology of a polyphagous, tropical fruit fly (Tephritidae) at the subtropical/temperate interface

Temperature effects on “overwintering” phenology of a polyphagous, tropical fruit fly (Tephritidae) at the subtropical/temperate interface

Comparative fecundity, clutch size, ovariole number and egg size of Dacus tryoni and D. jarvisi, and their relationship to body size

The ecology of Bactrocera tryoni (Diptera: Tephritidae): what do we know to assist pest management?

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