title: Chordodes combiareolatus, a new species of horsehair worms (Nematomorpha) from Nagaland, India, with further comments on Chordodes moutoni.
abstract: The currently known diversity of horsehair worms (Nematomorpha) from India is only 17 species. We report here two female specimens found on two occasions on a terrace paddy field in Tsupo, Viswema, Kohima, Nagaland, India. Although found at the same location, both species differ in their cuticular structures. One is determined as Chordodes moutoni, a species known from China, Malaysia and India. The other specimen shows a new type of cuticular structure, the areoles, which combines characters of both simple areoles and tubercle areoles. This specimen is described as a new species, C. combiareolatus. Both specimens show arrangements on the cuticle, in which a circle of areoles surrounds a region of "naked" cuticle. We interpret these regions as artifacts caused by the breaking off of the central crowned areoles, leaving only the circumcluster areoles behind.
authors.affiliation: Zoological Museum and Institute, Biocenter Grindel, Matrin-Luther-King-Platz 3, University of Hamburg, 20146 Hamburg, Germany.; Email: andreas.schmidt-rhaesa@uni-hamburg.de.
authors.forename: Andreas
authors.initials: A
authors.lastname: Schmidt-Rhaesa
authors.affiliation: Department of Zoology, Kohima Science College (Autonomous), Jotsoma, Nagaland, 797002, India.; Email: lima5lcr@gmail.com.
authors.lastname: Limatemjen
authors.affiliation: Department of Zoology, North-Eastern Hill University, Shillong, 793022, India.; Email: akynehu@hotmail.com.
authors.forename: Arun K
authors.initials: AK
authors.lastname: Yadav
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D049628:Body Size; D005260:Female; D006376:Helminths / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D007194:India; D008297:Male; D009929:Organ Size