DESCRIPTIONS OF THREE NEW SPECIES OF PRATYLENCHUS FILIPJEV, 1936 (NEMATODA: PRATYLENCHIDAE)

Abstract

Two new bisexual and one monosexual species of the genus Pratylenchus collected from India, Panama and Australia are described and illustrated. These species with distinguishing features are: Pratylenchus bhattii sp. n. from Saccharum spontaneum L., India: [female] L= 0.42-0.60 (0.48) mm; lip annuli three; stylet 13-14 (13.5µm; V = 69-76 (73); tail subcylindrical to conoid, with 16-23 annuli and a rounded smooth terminus; males common; Pratylenchus panamaensis sp.n. from Coffea sp. in Panama: [female] L = 0.42-0.59 (0.48) mm; lip annuli two, stylet= 15-17 (16)µm; spermatheca filled with sperms; 4-5 sperms occupying it's width; subcylindrical to subclavate tail with broadly rounded, crenate terminus; males common; Pratylenchus curvicauda sp. n. from Trifolium sp. from Perth, Australia: [female] L = 0.45-0.55 (0.5) mm; lips annuli three; stylet = 15-16.5 (16)µm; spermatheca empty; tail conoid, ventrally curved usually with indented terminus; phasmids located anterior to the middle of the tail being 16-22 annuli or 21-29 µm from tail terminus; males absent.