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LETHAL AND SUBLETHAL EFFECTS PRODUCED BY THREE LASERS ON TWO TROGODERMA SPECIES (COLEOPTERA: DERMESTIDAE): I. GENERAL DEVELOPMENTAL CHANGES

Published online by Cambridge University Press:  31 May 2012

Ronald W. Kobylnyk  and
Walter H. A. Wilde
Ronald W. Kobylnyk
Affiliation:
Department of Environmental Biology, University of Guelph, Guelph, Ontario
Walter H. A. Wilde
Affiliation:
Department of Environmental Biology, University of Guelph, Guelph, Ontario
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Abstract

Dorsal anterior abdomens of late instar larvae of Trogoderma inclusum Le Conte and T. variabile Ballion were exposed to six doses from each of three lasers. The effects were followed for 183 days after lasing. Ruby (1.6–9.5 j/cm2) and neodymium (4.3–24.9 j/cm2) lasing killed the darker T. variabile larvae at lower doses than those required to kill the paler T. inclusum larvae. Carbon dioxide (2.1–12.7 j/cm2) lasing killed larvae of both species at intermediate and high doses. At sublethal doses, none of the three lasers affected development in terms of feeding, photonegative behavior, diapause, pupation, metamorphosis, reproductive mating behavior, fecundity, or egg development.

Type
Articles
Information
The Canadian Entomologist , Volume 105 , Issue 2 , February 1973 , pp. 323 - 333
Copyright
Copyright © Entomological Society of Canada 1973

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