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 longicaudatus Bütschli, 1873 . Dimensions of 14 females : L = 0.56 -0.71 mm ; a = 25 - 31; b = 3.9-4.4; c = 4.9- 5.8; V = 7- 1144-476 -10. The amphid measures 2.4-3.6 fx or 22-31 % of corresponding body width. The tail measures 8.6 -10.9 anal body widths. One intra-uterine egg: 47 x 19 fx. This species is sometimes difficult to separate from long-tailed specimens of P. rhizophilus . Samples 15, 16, 21 and 65.