A New Species of Dirhabdilaimus （Nematoda: Diplogasteroididae）Associated with Banana Pseudostem Weevil
Abstract: A new species of Dirhabdilaimus were discovered from the adults of the banana pseudostem weevil, Odoiporus longicollis Oliver. The adults of the banana pseudostem weevil were collected from banana plants in Zhongcun Practice Farm in Guangzhou and Dongguan Banana and Vegetable Institute in Dongguan, Guangdong province. This nematode species is described as Dirhabdilaimus odoiporus n.sp. according to morphology. The characters of the nematode are described as below: the body is middle, strongly cuticularized. Stoma is very long, 5 times as long as stoma wide. Nerve ring is between anterior pharynx and posterior pharynx. Female vulva located at the middle of the body, gonads paired, reflexled almost to vulva. Female tail is conical to filiform, very long, about 138.0µm, 10 times as long as VBW(vulva body width). Male spicules paired, separated, slightly curved. Gubernaculum length is 57.5% of spicule length. Reflexed testis is long and single. Male tail is conical with bursa, almost peloderan, and with 10 pairs of caudal papillae.
Key words: Banana Pseudostem Weevil; Dirhabdilaimus odoiporus n.sp.; Nematode
