Plectus

Bohra, P., Sanyal, A. K., Hussain, A. & Mitra, B., 2010, Five new records of nematodes from East Antarctica, Journal of Threatened Taxa 2 (6), pp. 974-977 : 976

Plectus telekii Mulk & Coomans, 1978 ( Fig. 5 )

Material examined: 6 females, 23.ii.1999, coll. A. Hussain, Reg.No. IV/1925 -26.

Host: Moss at the bank of PDL.

Female (5): L = 669µm - 794µm a = 18.0-19.0, b = 4.0-4.5, c = 8.0-8.8, c’ = 3.7-5.0, V = 45.2-49.7, Pharynx = 165-186 µm, Anal body diameter = 18-22 µm, Tail length = 79-97 μm

Description:

Female: Body medium-sized, arcuate, open C shape upon fixation. Lip region continuous with body contour. Lips elevated 2.5-3.0 μm long. Lip region 7-11 μm wide. Cephalic sensilla setose, 2.0-2.5 μm long. Amphids located 11-14 μm from anterior end. Stoma 19-30 μm long, cheilostom cuticularised. Nerve ring encircles isthmus. Excretory pore inconspicuous. Intestine granular. Female reproductive system amphidelphic. Ovary reflexed. Vulva slit like. Uterus without egg. Vulva-anus distance three times tail length. Tail cylindrical, arcuate. Spinneret about 2μm long.

Male: Not found.

Distribution: Rajasthan, India

Remarks: First report from Antarctica.

Figures

Figure 5. Plectus telekii A - Female Anterior region; B - Female Posterior region.