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REARING THE BLACK HORNED TREE CRICKET, OECANTHUS NIGRICORNIS (ORTHOPTERA: GRYLLIDAE)

Published online by Cambridge University Press:  31 May 2012

Paul D. Bell
Paul D. Bell
Affiliation:
Department of Zoology, Erindale College, University of Toronto, Mississauga, Ontario L5L 1C6
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Abstract

Black horned tree crickets, Oecanthus nigricornis (Walker), were continuously reared for the first time in the laboratory. Optimum rearing conditions per unit effort involved 2 months at −5 °C to terminate egg diapause, and subsequent incubation of eggs from infested raspberry cane segments at 27 °C and 45% relative humidity. Eggs began hatching in 2 weeks, and second generation eggs were obtained within 2.5 months. The best survival from egg to adult was 55%. The possibility that male tree crickets provide a nutritional investment in their progeny is discussed.

Type
Articles
Information
The Canadian Entomologist , Volume 111 , Issue 6 , June 1979 , pp. 709 - 712
Copyright
Copyright © Entomological Society of Canada 1979

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