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INSECTS AND TEMPERATURE—FURTHER EVIDENCE1

Published online by Cambridge University Press:  31 May 2012

N. Gilbert  and
D.A. Raworth
N. Gilbert
Affiliation:
Entomology Field Station, 219a Huntingdon Road, Cambridge CB3 0DL, U.K.
D.A. Raworth
Affiliation:
Pacific Agri-Food Research Centre, Agriculture and Agri-Food Canada, P.O. Box 1000, Agassiz, British Columbia, Canada V0M 1A0
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Extract

Pieris rapae (L.) (Lepidoptera: Pieridae) is endemic in the Canary Islands, presumably since Roman times. Average temperatures at sea level on Tenerife and La Gomera range from 17°C at midwinter to 25°C in summer. If the argument of Gilbert and Raworth (1996) is correct, we might expect the development threshold of P. rapae in the Canaries to be 17°C, much higher than the 10°C observed elsewhere: Cambridge, U.K.; Cordoba, Spain; Pompei, Italy; Montpellier, France; Vancouver, Canada; and Canberra, Australia (Gilbert 1988).

Type
Reply
Information
The Canadian Entomologist , Volume 130 , Issue 1 , February 1998 , pp. 115 - 117
Copyright
Copyright © Entomological Society of Canada 1998

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References

Gilbert, N. 1988. Control of fecundity in Pieris rapae. V. Comparisons between populations. Journal of Animal Ecology 57: 395–410.CrossRefGoogle Scholar
Gilbert, N., and Raworth, D.A.. 1996. Insects and temperature—a general theory. The Canadian Entomologist 128: 1–13.CrossRefGoogle Scholar
Morris, R.F. 1971. Observed and simulated changes in genetic quality in natural populations of Hyphantria cunea. The Canadian Entomologist 103: 893–906.CrossRefGoogle Scholar