Defoliators




Defoliator Management in British Columbia

BC Ministry of Forests, Forest Practices Code (1995). Detailed information on Douglas-fir tussock moth, western spruce budworm, western hemlock looper, eastern spruce budworm and western blackheaded budworm.


Douglas-fir Tussock Moth, Orgyia pseudotsugata, in British Columbia

Life history of the Douglas-fir tussock moth (with slides) along with information on historical abundance and current management strategies as defined in the B.C. Forest Practices Code, October 1995.


Gypsy Moth, Lymantria dispar, in North America

Sandy Liebhold's in depth account of the origins and spread of the European strain of the gypsy moth in North America, its effects on forest vegetation as well as management options. Linkages to other gypsy moth pages included.


Gypsy Moth in BC - BC Ministry of Forests

Diligent trapping survey programs and Btk treatment procedures are in place in BC to prevent permanent establishment of the Gypsy Moth. Be sure to visit the Gypsy Moth History Page.


Gypsy Moth in BC - Canadian Forest Service

PFC Forest Pest Leaflet 75 (1999). A general account of the gypsy moth program in BC, plus linkages to pages about the gypsy moth threat and quarantine measures, in BC.


Asian Gypsy Moth Project in the USA

This website provides a general background information of the introduction of Asian Gypsy Moth (AGM) to North America; it also describes the basic biology of the species and the need to control the moth in the USA.




Slow the Spread Project for Gypsy Moth

Learn how eastern North America is limiting the spread of the gypsy moth.


Jack Pine Budworm,Choristoneura pinus pinus, in the Lake States

Information on the life cycle, impact, and management of the jack pine budworm in the Lake States. Prepared by D. McCullough, S. Katovich, R. Heyd and S. Weber. U.S.D.A. Publication NA-FR-01-94.


Conifer Defoliating Insects of BC

Pacific Forestry Centre. Larval descriptions, life history data and color photographs of insects, designed to enable non-specialists to identify any defoliator occurring on a native coniferous host in BC. Indexed by host tree- could be a great help in identifying a caterpillar.