What people are saying - Write a review
We haven't found any reviews in the usual places.
materials and methods
RESULTS OF INVESTIGATIONS
3 other sections not shown
adult Agric areas Arkport attack Austrian pine Bremen buds Butcher Canada coniferous Craighead 1950 damage Di-Syston Dioryctria zimmermani distribution Douglas-fir Drooz East Moriches eastern white pine eggs Eucosma gloriola European pine shoot examined feeding tunnel Figure foliage Forest frass genitalia of Eucosma Glenfield Graham and Knight granular growth losses height growth Heinrich indicated infested by Eucosma infested shoots insect insecticides instar jack pine Japanese black pines larvae larval collections larval feeding lateral shoots leaders infested located Male genitalia Martville measurements Minnesota Nantucket pine tip needles nurseries occur Olethreutidae Ontario overwintering parasites Pennsylvania percent pest phosphamidon pine shoot moth pine tip moth pitch pines ponderosa pine population levels predator pts./lOO pupa red pine Rennels Rhyacionia buoliana Rhyacionia frustrana Scotch pine sheared Shenefelt and Benjamin shoot and tip shoots infested sonomana species specimens stunting symptoms systemic insecticides Temik treatment untreated check Yates and Beal York Zimmerman pine moth