#dendroctonus_pseudotsugae
Dendroctonus pseudotsugae
Species of beetle
Dendroctonus pseudotsugae, the Douglas-fir beetle, is a species of bark beetle found in western North America. Three subspecies exist that correspond to the subspecies of Douglas-fir. The beetles also infest downed Larch trees. Outbreaks often occur in conjunction with drought, root rot diseases, overcrowding, damage by insects that damage foliage, and environmental disturbance. This insect is part of the western forest ecosystem, playing a role in thinning weak trees in a stand.
Sun 28th
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