Details of this species in Oregon Status: Alien
Invasiveness: Invasive
Occurrence: Reported
Source: Adjemian et al. 2007 Arrival Date: 1934
Introduction: Unknown Species Notes for this Location:
Management Notes for this Location:
Impacts:
Pathogenic: Unconfirmed epizootics with die-offs of ground squirrels were observed as early as 1929 in Oregon and Nevada, 1930 in Washington, 1932 in Idaho, and 1933 in Montana, and die-offs of prairie dogs suspected to be caused by plague werereported in Arizona in 1932.
Although plague is relatively rare in wild ungulates, Yersinia pestis infection manifesting as ocular lesions was identified in three free-ranging mule deer (Odocoileus hemionus) in Wyoming and Oregon. Last Modified: 19/02/2010 2:39:35 p.m.
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