Polygenis tripus (Siphonaptera: Rhopalopsyllidae) naturally infected by Allantonematidae (Nematoda: Tylenchida).
D000818:Animals; D005260:Female; D008297:Male; D009348:Nematoda / Q000145:classification / Q000254:growth & development*; D005423:Siphonaptera / Q000469:parasitology*