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A Study Of Insects Attacking Pinus Flexilis James Cones In Cache National Forest, Thomas Evan Nebeker
A Study Of Insects Attacking Pinus Flexilis James Cones In Cache National Forest, Thomas Evan Nebeker
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Six species of insects were found attacking limber pine cones from July 26, 1968, through October 4, 1969, in Cache National Forest. The three species considered of major importance are: Conophthorus flexilis Hopkins, Dioryctria abietella (D. & S.), and D. sp. near or disclusa Heinrich. The three minor species encountered are; Bradysia sp., Trogoderma parabile Beal, and Asynapta keeni (Foote). In addition to the major and minor cone pests three parasites, Apanteles sp. prob. starki Mason, Elacherus sp., and Hypopteromalus percussor Girault were found associated with the cone pests.
C. flexilis, which completely destroys the cone, was ranked as …