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Seed And Cone Insects Associated With Pinus Monophylla Torr. And Frem., Michael James Jenkins

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Dissection and rearing studies of second-year cones disclosed six species of insects associated with the seeds and cones of singleleaf pinyon pine. Those most commonly encountered were: Dioryctria sp. probably albovittella Hulst, Conophthorus monophyllae Hopkins and Pineus coloradensis Gillette. The three remaining species were of lesser importance. These included the gall midge, Asynapta sp., a minor cone pest and two parasites, one of C. monophyllae, Acerocephala atroviolacea Crawford and an unidentified parasite of Dioryctria, of the family Ichneumonidae.

D. sp. probably albovittella was regarded as the major insect destroying cones and seeds of P. monophylla in …