We use cookies to give you the best online experience. We use them to improve our website and content, and to tailor our digital advertising on third-party platforms. You can change your preferences at any time.Â
Hedlin, A.F. 1964, Life history and habits of a midge, Phytophaga thujae Hedlin (Diptera: Cecidomyiidae) in western red cedar cones. Canadian Entomologist 96(7):950-957
Miller, G.E. 1984, Biological factors affecting Contarinia oregonensis (Diptera: Cecidomyiidae) infestations in Douglas-fir seed orchards on Vancouver Island, British Columbia. Environmental Entomology 13(3):873-877