Full-text - Norsk entomologisk forening

on 3. abdominal tergite maximally 0.014 mmand those on tergite 8, 0.060 mm and II innumbers. Apical rostral segment with 4 secondaryhairs and 0.107 mm long. Secondjoint of hind tarsus 0.136 mm. Siphunculi(fig. 2) pale brown, smooth conical, not longerthan basal width which is 0.027 mm.Cauda with 8 hairs. Antennae, femora andtibiae pale brown. Sclerotic pattern as shownin figure 2, pale brown.Marginal tubercles on abdominal tergites2-4 and spinal tubercles on tergite 8. Onespecimen examined. Colour in life reddishbrown.Alate viviparous femaleBody length 1.72 mm. Antennae 6-jointed,antennal flagellum 1.0I mm, ratios of flagellarjoints 312:151:128:116:116 + 232, secondaryrhinaria on 3.joint 13 and on 4.joint3. Longest hairs on 3. antennal joint 0.09mm, on 3. abdominal tergite 0.017 mm andon 8 tergite 0.052 mm. Apical rostral segmentwith 8 secondary hairs and 105 mmlong. Second joint of hind tarsus 0.152 mm.Siphunculi brown, tapering faintly longerthan basal width of0.049 mm (fig. 2). Cauda0.099 mm long and basal width of0.101 mm,with 8 hairs. Antennae brown with a palebase on 3. joint. Femora and tibia brown.Abdominal sclerotic pattern as shown in fig.2, brown. Marginal tubercles on abdominaltergites 2-3 and a spinal tubercle on tergite8. One specimen examined.RecordCollected in flowers of Sedum roseum atNord-Fron, Oppland (8 Aug. 1975) 900 mabove sea level.REFERENCESBurger, H.C. 1975. Key to the European species ofBrachycaudus, subgenus Acaudus (Homoptera,Aphidoidea) with redescriptions and noteon B. persicae. Tijdschr. Ent. 118,99-116.Jacob, F.H. 1964. A new species of ThuleaphisHRL from Wales, Scotland and Ieland. Proc.R. ent. Soc. London (B) 33, 111-116.Ossiannilsson, F. 1969. Catalogus insectorumSueciae. XVIII. Homoptera: Aphidoidea.Opusc. Ent. 34, 34-72.Tambs-Lyche, H. 1970. Studies on Norwegianaphids (Horn., Aphidoidae). It. The subfamilyMyzinae (Mordvilko) B0rner. Norsk ent. Tidsskr.17,1-16.Received 20 Jan. 198621