Biology 546
Human parasitology laboratory tutorial

Note that the posterior portion of the secondary palp segments are flared laterally

Note the hexagonal (pointed laterally) nature of the basis capitulum

Note that the secondary palp segments are elongate

Note how all three palp segments appear stubby

The four photographs above represent the anterior ends of four different tick genera found in Kansas. All four genera possess festoons. Please arrange the genera in exact order (left to right)

Amblyomma, Dermacentor, Haemaphysalis, Rhipicephalus
Dermacentor, Haemaphysalis, Amblyomma, Rhipicephalus
Haemaphysalis, Rhipicephalus, Amblyomma, Dermacentor
Rhipicephalus, Haemaphysalis, Dermacentor, Amblyomma

Originals; photographs by S. J. Upton

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Kansas State University | Biology Division