parasite of Chlaenius costiger Chaudoir (Coleoptera: Carabidae)

Eutarsopolipus asiaticus sp. nov. (Acari: Podapolipidae), subelytral parasite of Chlaenius costiger Chaudoir (Coleoptera: Carabidae), is described from Japan. Relationships with 18 previously described species in the myzus group of Eutarsopolipus are discussed and keys are provided to species in the myzus group. This is the first record of Eutarsopolipus in the myzus group in Japan and represents a subgroup of species in the myzus group with cheliceral stylets 90 micrometers or longer