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Filtering by: Creator Tunnock, Scott Subject Forest insects -- Northwestern States Subject Douglas fir tussock moth -- Northwestern States -- Maps

The Douglas-fir tussock moth in the Northern Region : a cartographic history of outbreaks from 1928 to 1973

Creator:

Tunnock, Scott

Abstract:

The Douglas-fir tussock moth, Orgyia pseudotsugata McD., periodically defoliates Douglas-fir, true firs, and other host trees in forests of the western United States. In the Northern Region, these infestations occur about once every decade. This history covers the earliest recorded outbreak in northeastern Washington from 1928 to 1930 and includes...

Resource Type:

Technical Report