Explore Books on
contarinia

Douglas-fir needle midges

By Gary H. Sander

Spraying for Douglas-fir needle midges in Christmas tree plantations

By B. C. Simko

The biology and control of the Douglas-fir needle midge in Christmas trees

By Kenneth John West

Insects destructive to the Douglas-fir seed crop in California

By Thomas W. Koerber

Population structure of a gall midge with a temporal refuge

By Olof Widenfalk

An ecological approach to management of the pea midge, Contarinia pisi (Winn.), in vining peas

By Bodil G. Jönsson

Field test of acephate against two Douglas-fir Christmas tree pests

By R. G. Mitchell