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Effects of temperature on development and seasonality of Eudocima salaminia (Lepidoptera: Noctuidae) in eastern Australia

Published online by Cambridge University Press:  10 July 2009

D. P. A. Sands*
Affiliation:
CSIRO Division of Entomology, Indooroopilly, Australia
M. Schotz
Affiliation:
CSIRO Division of Entomology, Indooroopilly, Australia
A. S. Bourne
Affiliation:
CSIRO Institute of Plant Protection and Processing Biometrics Unit, Indooroopilly, Australia
*
CSIRO Division of Entomology, Private Bag No 3, Indooroopilly, Queensland 4068, Australia.

Abstract

The durations for development for immature stages of the fruit piercing moth, Eudocima salaminia (Cramer), were determined at constant temperatures ranging from 15°C to 27°C and at ambient temperatures at a field site in southeastern Queensland over a 16 month period. At constant temperatures average heat requirements for: 50% eclosion of eggs were 62.4 day-degrees above 11°C, development of larvae to pupation were 246 day-degrees above 12°C, development of pupae to eclosion were 233 day-degrees above 12°C. For each stage there was no difference between day-degrees calculated at constant temperatures or at those in the field indicating no diapause in the immature stages. For adults, temperatures below 16°C during the activity period after dusk prevented feeding, mating and oviposition. Failure of E. salaminia to overwinter in south-eastern Australia in most years, was explained by the effects of low temperatures on egg hatch, larval, pupal and adult survival, reduced adult feeding, mating and cessation of oviposition.

Type
Research Paper
Copyright
Copyright © Cambridge University Press 1991

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