Description of Mononchus intermedius sp. n. (Mononchidae: Nematoda)

Abstract

A new species of nematode, Mononchus intermedius, has been described. It is characterised by medium-sized females with continuous lip region; amalgamated lips; moderate to large buccal cavity; dorsal tooth at 25-30% of buccal cavity from anterior; ventral ridge at the apex or middle level of tooth; vagina without or with weak to moderately cuticularised pieces; cruciform vulva with small cuticularised lips; a long cylindroid tail and absence of males. The species, which has reasonably consistent morphometrics, shows extensive variation in morphological characters.