Prismatolaimus dolichurus de Man, 1880

P. A. A. LOOF, 1971, FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN, Mededelingen Landbouwhogeschool Wageningen 71, pp. 1-86 : 57-58

Prismatolaimus dolichurus de Man, 1880 .

Dimensions of 20 females: L = 1.03-1.31 mm; a = 42- 56; b = 4.1- 5.1; c = 2.7- 3.0; V = 5 - 941-443 - 7.

Cuticular annulation broad, 1.8 JJ. on middle ofbody, but shallow and mostly indistinct; the cuticle may even appear smooth over large stretches of the body. Amphids opening through transverse slits 4 \x long, located at 32-38 fx or 2.5-3.0 head widths from the anterior end. Mouth cavity 11-15 jx deep. Length of the longer cephalic setae 8 -11 \L. Cardia very large. Vulva inconspicuous, vagina with sclerotization resemblingthat of Trichodorusprimitivus. Dimensions of an intra-uterine egg: 75 X 19 jx. Gonads paired, opposed. I never found developing eggs in both gonads simultaneously; usually the gonad containing one is larger and more distinct than the other; thus the gonads are in most specimens asymmetrically developed. Vulva a transverse slit. Tail measuring 22-29 anal body widths, with spinneret tube 1.2 \L long. Scattered submedian setae are present all over the body.

Very numerous and dominant in sample 36. Found also in samples 7, 8, 11, 21, 31, 37, 41, 57/58 and 69.