Supplemental visual material
Comparison of fleas with and without ctenidia
The cat flea, found on a wide range of mammals, is the most common
species of flea in Kansas.
Note the distinct genal and pronotol combs
The oriental rat flea is rare in Kansas, and may no longer occur here.
Note the lack of genal and pronotol combs
Originals; photographs by S.J. Upton
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Kansas State University | Biology Division