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Cold hardiness of black carpet beetle larvae

Published online by Cambridge University Press:  31 May 2012

Xingwei Hou ,
Paul Fields  and
Terry Galloway
Xingwei Hou
Affiliation:
Department of Entomology, University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2
Paul Fields*
Affiliation:
Cereal Research Centre, Agriculture and Agri-Food Canada, 195 Dafoe Road, Winnipeg, Manitoba, Canada R3T 2M9
Terry Galloway
Affiliation:
Department of Entomology, University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2
*
1 Author to whom all correspondence should be addressed (E-mail: pfields@em.agr.ca).
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Extract

In North America, the black carpet beetle, Attagenus unicolor (Brahm) (Coleoptera: Dermestidae), is a common household insect pest that feeds on many animal-origin and grain products. It overwinters as a larva, and the entire life cycle generally takes about 1 year. No information exists on its overwintering biology or cold hardiness (Fields 1992). In this experiment, the supercooling point (SCP) and survival rate of initially overwintering A. unicolor larvae collected in the nests of tree swallows, Tachycineta bicolor (Vieillot) (Aves: Hirundinidae), were measured. Changes in SCP and cold hardiness were determined for larvae held at 15 and –15°C. The cold hardiness of A. unicolor larvae collected from a feed mill in British Columbia was also measured.

Type
Articles
Information
The Canadian Entomologist , Volume 133 , Issue 3 , June 2001 , pp. 325 - 327
Copyright
Copyright © Entomological Society of Canada 2001

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References

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