Published online by Cambridge University Press: 31 May 2012
Notes on the biology and habits of 12 parasitic insects associated with Eucosma rescissoriana Heinrich in western white pine, Pinus monticola Douglas, cones in northern Idaho are presented. Descriptive notes on the immature stages of three important parasite species. Chelonus petrovae McComb (Hymenoptera: Braconidae), Apanteles starki Mason (Hymenoptera: Braconidae), and Psalidopteryx psilocorsiphaga Brooks (Diptera: Tachinidae) also are included. Correlations between the life stages of these three parasite species are made with phenological events in the host tree and associated plants at two of the four study plots.