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United States Department of Agriculture

Agricultural Research Service

Image Number D2312-1

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Image Number D2312-1

Dermacentor variabilis tick on a horse. This tick species was implicated in the transmission of equine piroplasmosis in 2009 in Texas along with Amblyomma cajennense ticks (cayenne ticks).


Photo by Peggy Greb.

640 pixels wide: (d2312-1.jpg)

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Last Modified: 9/29/2011