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FLIGHT MUSCLE CHANGES IN BLACK HILLS BEETLES, DENDROCTONUS PONDEROSAE (COLEOPTERA: SCOLYTIDAE), DURING EMERGENCE AND EGG LAYING

Published online by Cambridge University Press:  31 May 2012

W. F. McCambridge
Affiliation:
Rocky Mountain Forest and Range Experiment Station,1Fort Collins, Colorado
S. A. Mata Jr.
Affiliation:
Rocky Mountain Forest and Range Experiment Station,1Fort Collins, Colorado

Abstract

The lateralis medius, an indirect flight muscle of Black Hills beetles, degenerated abruptly in females within 3 days after attack. Egg laying began at the end of the 3 days. Thickness of the muscle changed much more than width. Regeneration began in most ovipositing females about 10 days after attack. Steady development of the muscle to its maximum size, reached prior to beetle emergence, offers a method of forecasting emergence.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1969

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