Short communication cyathostoma cacatua n. Sp. (nematoda: Syngamidae) from a sulphur-crested cockatoo cacatua galerita (aves: Psittaciformes), with a key to the species of cyathostoma.

Abstract

Cyathostoma cacatua n. sp. is described: it is the first species of the genus recorded from New Zealand and the first known from a parrot. The specimens were recovered from the airsacs of an aged female sulphur-crested cockatoo Cacatua galerita. Cyathostoma cacatua is separated from all other species by the different spicule length and gubemaculum, the position of the vulva, the singularly operculated eggs and the absence of bosses in the circumoral region. An emended generic diagnosis and a key to Cyathostoma species is provided. © 1985 Taylor & Francis Group, LLC.