Euura clibrichella

140 Euura clibrichella (Cameron, 1878) Figs 137, 373 Nematus clibrichellus Cameron, 1878: 32–33. Holotype ♂ (BMNH), not examined. Type locality: United Kingdom, Scotland, Sutherlandshire, Ben Clibrich. Nematus thomsoni Cameron, 1882: 540. Syntypes ♀♀ (BMNH), not examined. Type locality: United Kingdom, Scotland, Braemar. Synonymy by Benson (1935). Pachynematus pubescens Marlatt, 1896a: 91–92 (key), 100–101. Syntypes 3 ♀ ♀ (CUIC?), not examined. Type locality: USA, New Hampshire, Mt Washington. Pachynematus gotarus Kincaid, 1900: 348–349. Holotype ♂ (USNMENT00778181, USNM, http://n 2t.net/ark:/65665/3bd1b00d6-1001-4d9d-9b1f-0d1529d0741b), not examined. Type locality: USA, Alaska, East Aleutians, Popof Island. Pachynematus venustus MacGillivray, 1921a: 190–191. Holotype ♂ (CASTYPE826, CAS), not examined. Type locality: USA, Alaska, Pribolof Islands, St George Island. Pachynematus vernus MacGillivray, 1921a: 191–192. Holotype ♂ (CASTYPE827, CAS), not examined. Type locality: USA, Alaska, Pribolof Islands, St George Island. Diagnosis Long hair on head and thorax, particularly in the male, and usually black body enables its separation from the other species of the clitellata group. Host plants Carex sp. (Dyar 1897). Genetics COI Based on 8 specimens, maximum within-species distance is 0.15% and the nearest neighbour, diverging by a minimum of 1.38%, is Euura moerens. Nuclear Based on 4 specimens, maximum within-species distance is 0.43% (0% based on haplotypes of individual females). The nearest neighbour, diverging by a minimum of 1.53%, is Euura fallax. Distribution and material examined Holarctic. Specimens studied are from Canada, Finland, Norway, Sweden, and the United Kingdom.