Nematode parasites of invertebrates from Manipur, North East India (Diagnosis, keys and illustration) Author Shah, Manjur text Zootaxa 2011 3107 1 37 journal article 45933 10.5281/zenodo.279226 c0e4a394-9ea4-464a-b336-74c80db1a14f 1175-5326 279226 Genus Binema Travassos, 1925 Generic diagnosis: Cephalic extremity formed by a circumoral ring and short second annule. Lateral alae present or absent in both sexes. Isthmus distinct or it is a constriction between corpus and bulb with or without a ring-like sub-ganglion at its middle of isthmus. Buccal cavity absent or present in females. Vulva posterior to midbody. Gonads amphidelphic. Eggs broadly oval with polar filaments deposited in capsules containing 2– 3 eggs or nonencapsulated and laid in pairs. Tail conical or rounded with short or long caudal appendage or flagella-like, with or without fine striations near its tips. Caudal extremity in male conical to subulate, filiform or spike-like. Caudal papillae 5–10 pairs. Single median papilla present or absent. Spicule single or absent.