FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN Author P. A. A. LOOF Department of Hematology, Agricultural University, Wageningen, The Netherlands text Mededelingen Landbouwhogeschool Wageningen 1971 1971-12-31 71 1 86 journal article 10.5281/zenodo.8152982 dc936e39-ea56-4501-b5ba-a24d055276c8 8152982 85C9CB49-EEA1-467B-ACC7-7C11B9EDEEAD Plectus acuminatus Bastian, 1865 . Dimensions of 16 females : L = 0.58 -0.75 mm ; a = 19 -26; b = 3.9 -4.3; c = 7.4-9.2; V = 9 - 1247- 504- 13. The amphids measure 2.5;x or 20-25 % of corresponding body diameter. The tail measures 4.6-5.7 anal body widths. The body is curved strongly to the ventral side in death, sometimes into half a circle or more. By this feature this species can be distinguished from large specimens of P.parvus . Samples 3, 4, 16, 19, 25, 38, 40, 57/58 and 67.