SIPHONAPTERA
by MARGERET ANDIANA
1. Order Siphonaptera
1.1. - compressed wingless holometabolous insects
1.1.1. - contains approximately 2572 species in which all are parasitic in the adult stage
1.1.1.1. - mouthparts modified for piercing and sucking, highly modified combs and setae on their body and legs, and legs that are modified for jumping
1.1.1.1.1. - some species are vectors of disease
2. General Morphology of The Flea
2.1. - adult fleas are on average 2.0 to 6.0 mm in length and have laterally compressed bodies
2.1.1. - they posses antennae, sucking mouthparts and (usually) eyes
2.1.1.1. - all fleas lack wings and have modified hind legs for jumping
2.1.1.1.1. - their lateral flatness and glossy surface facilitate moving among thick fur
3. Classification of Siphonaptera
3.1. - Genus : Tunga (species: T.penetrans)
3.1.1. - Genus : Pulex (species: P.irritans [Human Flea])
3.1.1.1. - Genus : Xenopsylla (species: X.cheopnis [Rat Flea])
3.1.1.1.1. - Genus : Ctenocephalides (species: C.canis[Dog Flea] & C.fecalis [Cat Flea]