Bumble Bees

Studies on Scandinavian Bumble Bees 27rather long hairs except for a large distal barearea; anterior and posterior fringes of hind tibialong, the longest hairs in the latter about twicethe greatest width of the segment or longer. Longesthairs in posterior fringe of hind basitarsusabout twice the greatest width of the segment orjust shorter. T7 slightly dimpled in front of apex.St, and genitalia (Figs. 318-C), basic half ofgonocoxite distinctly caved inside; gonostyluswith well-defined finger-shaped process producedinwards; volsella reaching well beyond gopostylus,distally emarginated; penis valve distallybroad with dorso-ventral flattened, sickle-shapedhooks turned inwards. Coat shaggy. Body ofmedium to large size.Colour pattern Pile of face below antennalsockets and pile of vertex predominantly yellow,encroached by black hairs. Collar, including atleast adjacent margin of episternuffi, yellowhaired.Venter of thorax, dist al pafi of scutellumwith variable admixture of yellow hairs. Tn'r,Iateral part of fringes of Stn-u ferruginous. Trochanters,parts of all femora, the remainingsternites with pale yellow to greyish-white hairs.Fringes of hind tibia and hind basitarsus whitishtinged. Otherwise coat black.Variation. Yellow hairs on head and thoraxmore or less pronounced, occasionally T1 withyellow hairs. Ta distally with variable amount offerruginous hairs. Fringes of Stn- e entirely ferruginous,usually of paler shade than that of thetergites. Fringes of hind tibia and hind basitarsusmay be predominantly ferruginous.Distribution (Fig. 50)Ncrway. Widely distributed from the extremesouthern coast and north to nearly 68" N. In thesoutheasternmost lowlands, however, not reachingthe border area to Sweden, and only oncerecorded in Ostfold county.The frequency is locally high in woodland andsubalpine valleys, occasionally also in adjacentlower alpine zone. Along the western coast it issporadically recorded in the extreme archipelago.In Southern Norway recorded to 1300 m s.m.Biotopes: Meadows, leguminosae fields, gar-dens, roadsides, pastures, Aconitum biotopes,Vaccinium heaths. Barren land and Callunaheather are avoided.A total of about 2000 specimens was examined.List of localities. Ostfold; Ride: Tom H 1S July 1958(I. Meidell). Akershus.' Asker: BronnoY, Lushattdalen,Rustad; Brerum: Briten; Oslo : Bonntjern, Hellerud,Maridal, Slemdal TRM NRS, Tisen; Ullensaker:?loc. ZMO; Eidsvoll: S Eidsvoll, Feiring . Hedmark( HEs ).' Kongsvinger : W Eidsberg; A.snes : Asen;Hamar: Z}l4O, Helgoya ZMO. HEn: Trysil: Dammen,Trysil, S Sjoenden, Vestby; Amot: Glesubekken,Amot; Stor-Elvdal: Snodoldalen 1000 m; Tynset:Haugsvangen, Tyldal; Tolga: Hodalen; Engerdal:Torhus. Oppland (Os).' Gran: S Einavoll, Gjerdvika,Tingelstad; Ostre Toten: Stubdalen; Sondre Land:Fluberg; Nordre Land: Dokka USU ZIN4B, Torpa;Lillehammer: Jorstadmoen; Etnedalen: Bruflat; Sor-Aurdal: Ellingseter 820 m, Skard; Nord-Aurdal:Dalen, Fagernes, Flya, Hovda, Srebuoygard N Fagernes;Oyer: Aksjoseter 1000 m, Skii, Oyer, Astdalen900 m; Ringebu: ?loc. ZM.O, Flaksjoen. On: VestreSlidre: Kinnholt 1000 m; Vang: Eidsbugarden 1100-1200 m, Tyin 1100 m USU ZMB, N Oye USU ZMB;Sel: Heidal TRM, Klaksh&ug, Leirflata, Mysuseter900 m; Vigfl: Gjendesheim 1000 m, Klones, Leirungen1050 m, Randsverk TRM, Vigflmo; Lom: Bovertun900 m, Galdesand, Gjendebu 1000 m' Leirdalen900 m, Solell 1200 m; Skjak: Skj6ksetrene800 m; Dovre: Dovrefjell 1000 m KMT NRS TCLZ}rdB ZMC ZMO, Fokstua 930 m Z}l'dB ZMO, ToftemoZMO, Vfllflsjo ZMO. Buskerud (Bd): Hurum:Filtvedt TRM ZN.d.{B, Pinadalen; Drammen; Lier:Toverud; Ringerike: Hen; Krodsherad: BjorkerudoBrfltin, Fagerheim, Glesne, Veikflker; Modum: Dignes;Flesberg: Lampeland, Oydegarden; Kongsberg:Lauerud, Lintvedt, Skollenborg.Bv; Sigdal: Kopseng,Nedre Eggedal, Sarrdsbriten, Sigdal; Nore og Uvdal :Flitflseter 1000 m, Heggjeli 780 m, Norstebo, Rodberg,Uvdal stavkirke, Uvdal; Flfl: Grosland; Gol:Gol, Randalseter 940 m; Hemsedal: Holle bru, Kjolen1000 m, Lykkja 900 m, Muren 730 m; At: ?loc. ZMO,Bergsjostolen 1100 m, Tvist 1080 m, Vallehallell20 m, Vats 800 m; Hol: Geilo 800 m ZINI4A, Halfardokkistolen,Haugastol 1000 m VCA ZIM{.{B, NWHaugastol 1100-1200 m, Hovet, Kikut, Nygflrd1000 m, S Olsenvann 1100 m, Sundatrsfjord 750 m,Ustaoset 1000 m, Vikastolen 1000 m. Vestfold; Sande:S Sande; Botne: Angerskleiv. Telemark (TEy).' Skien:Kikut; Bamble : Trosby, AUv; Nome : Damtjern;Drangedal: Nordbo, Nos, Omnes, Tomyra; Kragero:Levang . TEi: Notodden: Gransherad; Bo : Sande,Vatnar; Seljord: Seljord, Svartdatr, Vedfallsgrend;Kviteseid: Brunkeberg, Mostol, Vridal; Nissedal:Kyrkjebygda, Lauviki, Lia, Tionnefoss, Treungen;Fyresdal: Moland; Tokke: Bandaksli, Holtet bro,Grimdalen, Mule g&rd, Amdal Verk; Vinje: Bossboen