Description of Tylenchorhynchus qasimii sp n. with a new report of T-kegasawai Minagawa, 1995 from Pakistan

摘要

A new stunt nematode, front soil around the roots of coconut (Cocos nucifera L.) and rice (Ortza sativa L.) front Karachi, Pakistan, is described and illustrated as Tylenchorhynchus qasimii n. sp. This new species is characterized by having females with 3-4 head annules, anteriorly directed stylet knobs, absence of post anal extension, presence Of rounded sperm filled spermatheca and conoid to bluntly rounded hemispherical tail terminus. Males are common. Also included is the record of T. kegasawai from around the roots of rice (O. sativa L.), a new report front Sindh, Pakistan.