Dendroctonus jeffreyi

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Dendroctonus jeffreyi - mounted adult (click on image to enlarge it)
Author(s): Erich G. Vallery, USDA Forest Service
Source: IPM Images

Dendroctonus jeffreyi Hopkins - (Jeffrey pine beetle)

This bark beetle is a significant pest of Jeffrey pines (Pinus jeffreyi) in western North America and causes outbreaks, including tree mortality. Between 1960 and 2000, about one outbreak was recorded per decade that lasted for an average of 5 year. Outbreaks can include serious damage in terms of around 500 Jeffrey pines being killed in an outbreak focus like during the 1991-1996 outbreak in the Lake Tahoe Basin, California (Egan et al., 2016).

Vernacular names
• English: Jeffrey pine beetle
• Français: dendroctone du pin de Jeffrey