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ENT. SCAND. SUPPL.23 (1984)<strong>Scandinavian</strong> <strong>species</strong> <strong>of</strong> <strong>Psithyrus</strong> <strong>Lepeletier</strong> 25sub<strong>species</strong> <strong>of</strong> host and parasite, respectively (cf.below).P. quadricolor ursuping a colony <strong>of</strong> B. pratorum(L.) (Pouvreau 1973) is a misprint (Pouvreau inlitt.). B. ruderarirzs (Miiller) listed as a host (Pekkarinenet al. 1981) refers to an observation by A.Nordman <strong>of</strong> a Q flying into a nest <strong>of</strong> this Bombussp. (Pekkarinen in litt.).Flight seasonSou<strong>the</strong>rn Sweden: Hibernating female: 4 May -12 August; female progeny: ? 13 September;male: 9June-9October.DistributionScandinavia (Fig.29). Confined to nemoral andboreonemoral zones. In Sweden also occurring in<strong>the</strong> sou<strong>the</strong>rn boreal zone.In Norway more <strong>of</strong>ten observed at sea level inluxuriant biotopes along <strong>the</strong> western coast than in<strong>the</strong> sou<strong>the</strong>astern lowlands. In Sweden widely distributednorth to "limes norrlandicus" (NU 1977)and fur<strong>the</strong>r north occasionally recorded toge<strong>the</strong>rwith B. soroeensis throughout <strong>the</strong> sou<strong>the</strong>rn borealzone. A single record in central boreal zone (VB:Degerfors NRS) indicates a scattered distributionnor<strong>the</strong>ast to at least about 64"N.Scarce. A total <strong>of</strong> 135 Norwegian and about 230Swedish specimens were examined.Vdstra Vram, Ovedskloster. HA: Halmstad NRS,Hdsslov, Snostorp NRS. - SM: FAgelfors. Grdnnaberget,Horeda NRS, Korsbergp, Markaryd, Ryssby,Sjotorp by Alvesta, Vdstervik, Osterkorsbeqg_a_GNMZML. - OL: Bengtstorp, Borgholm, Boda NRS ZrylU,Gdrdslosa, Hogsium-Rilla, Rod, Vickleby. OC:Borsjon NRS, Brunneby GNM ZML,, Linkoping,.Vadstena.- VG: Grhstorp NRS, Toreboda NRS. - NA: Arboga,Orebro NRS. - SO: Larslund NRS, NorrkopingNRS ZMA, Nykoping NRS, Runtuna NRS, Trosa,Tuna NRS, Tyreso. - UP: Hdvero NRS, Ingaro, Nacka,Stockholm, Uppsala. - VR: Alster NRS, Arvika, Eda,Forsvik SE Saffle, Grums NRS, Aris. - DR: BrunnsvikNRS, Ludvika NRS, Mora NRS, Oxberg NRS. - GA:Ockelbo NRS. - HA: Delsbo. - VB: Degerfors S Vindelnd 26.VIII.1935 Forsslund leg. NRS.Correction. A record for this <strong>species</strong> in Lapland(Friese 1902, referring to Wahlberg 1855b) is incorrectand due to linguistic misunderstanding.The total distribution<strong>of</strong> <strong>the</strong> sub<strong>species</strong> P. quadricolorglobosus Eversmann. Fennoscandia - Denmark- The Baltic - European USSR.Sparse informationabout <strong>the</strong> Danish population(Hammer1970; a few dark coloured specimensexamined by me) indicate that <strong>the</strong> sub<strong>species</strong>may intergrade with P. q. meridionalis inDenmark; in SE Europe it intergrades with P. q.rossicus (Popov 1931).World distribution <strong>of</strong> P. quadricolor <strong>Lepeletier</strong>.In Europe restricted to mountain islets in Spain,<strong>the</strong> Pyrenees, France, nor<strong>the</strong>rn Italy, <strong>the</strong> Alps,nor<strong>the</strong>rn Balkans and Slovakia; north <strong>of</strong> <strong>the</strong> Alpswidely distributed north to Fennoscandia and toabout 62" in European USSR. Discontinously occurringfrom Turkey NE to Transbaykal.The present information about distribution <strong>of</strong><strong>the</strong> <strong>species</strong> indicates a division into two geographicallysegregated groups similar to that <strong>of</strong> <strong>the</strong> hostB. soroeensis (LOken 1973). P. q. meridionalis occurswithin <strong>the</strong> range <strong>of</strong> <strong>the</strong> red-tailed B. s. proteus(Richards 1928; Tkalcfl 1969;Beinig 1973) and <strong>the</strong>islet distribution <strong>of</strong> <strong>the</strong> remaining sub<strong>species</strong> iswithin <strong>the</strong> distribution <strong>of</strong> <strong>the</strong> white-tailed B. s.soroeensis.List <strong>of</strong> localities. l'{orway. @: Moss: JelOy ZMA. -Oslo: ZMO. - On: Vestre Slidre: Valdres ZMO; Dovre:Dovrefjell d Boheman leg. 1.832 NRS. - TEi: Lunde:Vommestol. AAy: Tvedestrand: Nes Verk TRM.AAi: Bygland: AustadZldO.- Ry: Strand: Tau; Fister:Fister; Tysvrer: Nedstrand. Ri: Forsand: Le"rang; Ardal:Eskeland, Ardal; Hjelmeland; Suldal: Aimjodlo byMostol 700 m. - HOy: Bergen: ZMB TRM, DolvikZ}y'.A, Fant<strong>of</strong>t, Hop, Minde, Sanddalen, SkipanesZ}dA. HOi: Ullensvang: DjOnno, IJtne; Ulvik: Hjeltnes.- SFy: Gloppen: Lotsberg. SFi: Stryn, Flo. - MRy:Orskog:Skjodje ZMO. MRi: Norddal: Valldal. <strong>Psithyrus</strong> (Fernaldaepsithyrus) sylvestrisUnrevised records: SFi : Luster: Jostedalen(Wahlberg 1855b). HOy: Askoy, islands in Feiefjord <strong>Lepeletier</strong>and HOi: Voss (Lie Pettersen 1901, 1905). Ry: Eigersund:Heskestad, Ri: Suldal: Jelsa, HOi: Odda and SFi:Figs. I1,23, 30.Balestrand: Balholm (Meidell L934).Correction. A female from VAy: Kristiansand: RandesundZMO (Richards 1928) is revised to P. campes-Fargeau , 1832:377, 1841 :429. Type locality: Describ_ed<strong>Psithyrus</strong> quadricolor var. sylvestris <strong>Lepeletier</strong> de St.tris.on specimens from <strong>the</strong> Pyrenees and Paris. Type:2 d dSweden SK: Andrarum, Brosarp, Helsingborg, Hiickeberga,Jordholmen ESE Malmo ZMA,, Klostersig_el, types (Kellner-Pillaut in litt.)labelled "ex coll Spinola scat'Il712" SCT! might be syn-Kiseberga NRS, Lund, Nytorp, Sandhammaren NRS, Apathus quadricolor auctt. nec P. q.quadricolorTorekov, Torna-Hdllestad, Vallf,ker, Vitemolla, Vomb, <strong>Lepeletier</strong>; Thomson 1870 (partim).