Leptinillus, Horn, 1882

Peck, Stewart B., 2007, Distribution and biology of the ectoparasitic beetles Leptinillus validus (Horn) and L. aplodontiae Ferris of North America (Coleoptera: Leiodidae: Platypsyllinae), Insecta Mundi 2007 (3), pp. 1-7 : 2

Key to species of Leptinillus

1. Body size larger,body length about 4.5-5.0 mm; posterior tip of prosternum with brush of long hairs; prosternal apex extending nearly as far as posterior margin of procoxae; prosternal apex truncate; host: Castor canadensis ; distribution: USA, northern transcontinental ... L. validus (Horn)

- Body size smaller, body length about 3.0- 3.5 mm; prosternal apex sparsely haired, without brush of long hairs; prosternal apex extending only about half length of procoxae; prosternal apex tip pointed; host: Aplodontia rufa ; distribution: USA, Pacific Northwest ...................................... ................................................................................................................. L. aplodontiae Ferris