World Database of Nematodes

Siddiqi, M. R. (1965). Studies on the genus Thornenema Andrássy, 1959 (Nematoda: Dorylaimidae), with descriptions of two new species and T. cavalcantii (Lordello, 1955) from India. Labdev Journal of Science and Technology. 3, 128-133.

165695

Siddiqi, M. R.

1965

3, 128-133

Publication

Siddiqi emends the diagnosis of Thornenema Andrássy, 1959 and describes T. filiforme n.sp., T. paradoxum n.sp. and T. cavalcantii (Lordello, 1955) Andrássy, 1959 from India. T. filiforme (6 females) is from soil around roots of groundnut, banana and grass at Cuddalpre (Madras State), Thana (Maharashtra) and Aligarh (U.P.) respectively; it measures 1.34 to 1.60 mm. long, the spear is 10 to 12 µ, the enlarged portion of the oesophagus is slightly less than half the oesophageal length, the anterior uterine sac is absent, the prerectum is 24 and the rectum 10.5 anal body-widths long and the tail is filiform and 15 to 17 anal body-widths long. T. paradoxum (one female), from soil around roots of Cedrus libani var. deodara at Ranikhet (U.P.), is 1.32 mm. long, the spear measures 12 µ, the anterior uterine sac is less than half the body width, the enlarged portion of the oesophagus is less than half the oesophageal length, the prerectum is 3 and the rectum 10.5 anal body-widths long and the tail is elongate-concoid and 7 anal body-widths long. The redescription of T. cavalcantii is based on 3 females from Almora (U.P.) from soil around roots of Malus sylvestris, A key to the species of Thornenema is provided and T. thienemanni is considered as a species inquirenda.

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