Populations of Dendroctonus ponderosae Hopkins from three pine
hosts, Pinus ponderosa Laws., P. contorta Dougl. and P. monticola
Dougl., were sampled with regard to their acoustic signals, the
morphology of their stridulatory apparatus and some aspects of their
emergence behavior. Comparisons of these characteristics were made
between samples from different...
Published May 1982. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog