| Noun | 1. | Ctenocephalides - an arthropod genus of fleas arthropod genus - a genus of arthropods family Pulicidae, Pulicidae - many common fleas attacking humans and domestic animals Ctenocephalus, genus Ctenocephalus - a former usage synonymous with Ctenocephalides Ctenocephalides canis, dog flea - flea that attacks dogs and cats cat flea, Ctenocephalides felis - flea that breeds chiefly on cats and dogs and rats |