Biology 546
Human parasitology laboratory tutorial

The two photographs above represent the posterior ends of two different tick genera found in Kansas. One has festoons, and the other does not. Which species of Kansas tick (below) fails to possess festoons, and also has an anal groove anterior to the anus?

Amblyomma americanum
Dermacentor variabilis
Ixodes scapularis
Rhipicephalus sanguineus

Originals; photographs by S. J. Upton

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Kansas State University | Biology Division