Environmental Entomology (1987) 16, 956-962

S.M. Salom, F.M. Stephen and L.C. Thompson (1987)
Development rates and a temperature-dependent model of pales weevil, Hylobius pales (Herbst), development
Environmental Entomology 16 (4), 956-962
Abstract: Development rates for immature stages of the pales weevil, Hylobius pales (Herbst) (Coleoptera: Curculionidae), were estimated over constant temperatures ranging from 9 to 34°C. Development occurred between 9 and 30°C for eggs and 9 and 32°C for larvae; however, the range of successful development for both prepupae and pupae (21-28°C) was much more narrow. Parameters determined for the biophysical model of Sharpe and DeMichele (1977) could be used to predict development of eggs and larvae, but prepupal and pupal development data were insufficient to permit use of this model. Standard cumulative frequency distributions were determined for each life stage and Weibull functions fitted to these data.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Database assignments for author(s): Fred M. Stephen

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution
environment - cropping system/rotation

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Hylobius pales	Pine (Pinus)	U.S.A. (mid S)