title: Psyllotylenchus viviparus, n. gen., n. sp. (Nematodea: Tylenchida: Allantonematidae) parasitizing fleas (Siphonaptera) in California.
mesh_terms: D000818:Animals; D002140:California; D004463:Ecology; D005260:Female; D009348:Nematoda / Q000145:classification*; D005423:Siphonaptera