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STUDIES ON THE BIOLOGY AND SEASONAL HISTORY OF THE CYPRESS BARK MOTH, LASPEYRESIA CUPRESSANA (LEPIDOPTERA: OLETHREUTIDAE)

Published online by Cambridge University Press:  31 May 2012

Gordon W. Frankie  and
C. S. Koehler
Gordon W. Frankie
Affiliation:
Division of Entomology, University of California, Berkeley
C. S. Koehler
Affiliation:
Division of Entomology, University of California, Berkeley
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Abstract

Laspeyresia cupressana (Kearfott) (Lepidoptera: Olethreutidae) bores in the scale tissue of cones, the healthy phloem tissue of branch nodes and trunks, and damaged sites on plants of certain Cupressaceae and Taxodiaceae. The moth primarily attacks Cupressus macrocarpa Hartw. in coastal California where it passes through two generations annually, one in spring–summer and the other in fall–winter. Several parasites and predators were regularly found associated with Laspeyresia in the cones. Branch and trunk feeding occasionally is severe, but was never observed to cause dieback or tree death. The moth was frequently observed infesting sites on plants damaged by the fungus Coryneum cardinale Wagener.

Type
Articles
Information
The Canadian Entomologist , Volume 103 , Issue 7 , July 1971 , pp. 947 - 961
Copyright
Copyright © Entomological Society of Canada 1971

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