First report of Mylonchulus sigmaturellus Mulvey, 1961 (Nematoda: Mononchida) from India.
Tiasi Jana, Amalendu Chatterjee, Amalendu Jana
Author Affiliation: Nemathelminthes Section, Zoological Survey of India, 'M'-Block, New Alipore, Kolkata -700 053, West Bengal, India.
Indian Journal of Nematology 40 : 38-42
Abstract : Mylonchulus sigmaturellus is reported for the first time from India. The species was collected in the district South 24-Parganas, West Bengal, India from a mango (Mangifera indica L.) orchard. Five females and eight juveniles were collected but no male was found. The present species is characterized by medium-sized body (L=1.7-1.8 mm); buccal cavity of mylonchuloid type (measuring 25.4-26.6×17.5-18.6 µm) large dorsal tooth, occupying more than 80% of the total buccal cavity length, opposed by 6-8 transverse rows of denticles; gonad amphidelphic, single specimen with single posterior intra-uterine egg (measured as: 115.2×53.9 µm); tail one anal diameter long, arcuate shaped, with terminal digitate end, three caudal glands and terminal spinneret present.