Dermacentor albipictus infestation presumed to be the primary cause of death of the host, a yearling elk. 1373 ticks were picked from the hide of the host animal showing the massive infestation of ticks. The dead elk was found nearly seven miles east of Sula, Montana.
Shoffner, Martin E., 1917-1965
Fieldwork; Ticks; Elk--Parasites; Rocky Mountain Laboratory (Ravalli County, Mont.)
This photograph is in the public domain. When using this item , credit should be given to the Rocky Mountain Laboratories, National Institutes of Health.
Rocky Mountain Laboratories
Hamilton, Mont., Sula, Mont.
Scanned on an Epson Expression 1640XL at 600 ppi, 16-bit gray scale.