Descriptions of male axonchium (Axonchium) amplicolle and of two new species of axonchium from Manipur, India

Abstract

The male of the type species, Axonchium (Axonchium) amplicolle Cobb, 1920 is reported for the first time along with the descriptions of two new species belonging to the genus and subgenus Axonchium Cobb, 1920 from Manipur, India. Axonchium (Axonchium) thoubalicum n. sp. is 1.59-1.65 mm long and resembles A. (A. ) heynsi and A. (A.) transkeiense but differs in having a smaller odontostyle and odontophore, in the shape of vagina and uterus, in having a shorter pre-rectum, in the smaller size and shape of spicules and lateral guiding pieces and in having a longer tail. Axonchium (Axonchium) eletum n. sp. is 1.43-1.68 mm long and resembles A. (A.) saccatum and A. (A.) elegans but differs in the shape of vagina, spicules, lateral guiding pieces, and in having a greater number of ventro-median supplements.