Nematodes of the order Rhabditida from India. Description of two
species of Mononchoides (Nematoda: Diplogastrina)
M. MAHAMOOD AND I. AHMAD*
Section of Nematology, Department of Zoology, Aligarh Muslim University,
Aligarh – 202 002, India.
e-mail: ahmadirfi @yahoo.co.in
Summary- A new and a known species of the genus Mononchoides Rahm, 1928 are described and illustrated. M. megaonchus sp. n., collected from decaying banana rhizome, is characterized by a large dorsal tooth, long stoma, and absence of tooth, teeth or denticles on the subventral walls in general. Males have stout spicules and a gubernaculum with distal sleeve and nine pairs of genital papillae arranged in typical diplogastrid pattern: three precloacal and six postcloacal. Another species which shares several common characters with M. striatus (Bütschli, 1876) Goodey, 1963 is also being reported from India.
Key words: India, Mononchoides, morphology, new species, occurrence, taxonomy.