Neottialges neopelagicus new species (Acari: hypoderatidae) from the Pelagic cormorant (Aves: Phalacrocoracidae: Pelecaniformes)
1997
Pence, D.B. | Newman, S.
A new species of hypoderatid deutonymph is described from the subcutaneous adipose tissues of the pelagic cormorant, Phalacrocorax pelagicus Pallas, from Alaska. Neottialges neopelagicus n. sp. is similar to the 3 other Neottialges spp. from cormorants. N. neopelagicus closely resembles N. tasmaniensis Fain & Domrow except the genital apodeme is incomplete in the latter but the sclerotized T-shaped extremities are connected by a thin line of sclerotization to form a complete central apodeme in N. neopelagicus. There also are minor differences in leg chaetotaxy of these 2 species. The genital apodeme is heavily sclerotized throughout its length in N. evansi Fain and N. pelagicus OConnor. In both these species, seta d4 is long and resembles other middorsal idiosomal setae, whereas it is short and hairlike in N. tasmaniensis and N. neopelagicus. In N. pelagicus terminal seta as on tarsus IV is smooth, it is serrated in the other three species. The single pelagic cormorant we found infected with N. neopelagicus shared this host with N. pelagicus, emphasizing the possibility of coexistence of 2 very similar species of hypoderatids in the same host individual.
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