2552 183. Drosophila. 



T. /). coslafa: nigjicans, fronle concolorp; epislo- 

 male albicanle; antcnnis prdibusque (lavis, liorutn anlicis 

 nigris coxis palliJis; alis hyalinis, ncrvis pallidis, coslali 

 crassiusculo atro, Iransvcrsis niodice approximalis. (J$. 

 (Long. I fere 1 iin.). 



Zell. Ins. Lapp. 776. 5. ^'^. 



Hab. iu graminosis d; fungis BeluliB albee (t-c. , per 

 Svcciam mediam & borealcni parcius, per Lapponiam 

 passim frequens, ab ineunle Julio usque ad mcdiura Sep- 

 lembris mihi obvici tt in copula eliam dcprehcusa ; scili- 

 cet in Scania boro.ili ad Widlskoilc scniol ; in Smoliindia 

 ad Skarsjo rarissime, fjjiiiip^h; in Oslrogolhia ad Gusum 

 %Sc AVadsIena, rarius; in Uplandia ad Holmiani, I). IVahl- 

 berg ; in Lapponia IJmensi non rarn r\. gr. ad Ascle, 

 SliJtlingsfjcllcl, Trcsunda , Wilhclmina ct Umcnas, usquc 

 in alpes Bralliksrjollcn adsccndcns; in Lapponia Torncnsi 

 parce, ad lacnm Tornetrask procedens ; in inferalpiiiis 

 NordlandiyevNorwegiciC tantum in n;onlc subalpino Gamsl- 

 tind a mo lccta. 



<SQ. Tlioiace fronleque olisciiris , anlennis iiedihnsque flavis, 

 anlicis nigricanlihus , ul &^ alariim nervo costali subcrasso a- 

 tro, a [iriorilius facile digiioscenda. OMonga, subopaca. Frons 

 oltsciira, sffjie ilelrita nigra, a<l lalera S>^ [lostice selis ordiiia- 

 riis veslila. Antenna> lii^eves sulirolundatcP , sela distincle jilu- 

 mala olisciira. Kiiisloina lireve, iiifra oculos liaiid descendens, 

 suliecarinalum , aUiidum, iii detrilis area media sa'[ie allio-fla- 

 vum. Pra-lalirum occullum. Seliiln; niystacinae nigr.-e. Instrii- 

 menta ciliaria retracta, testacea. Geiiae lirevissima>, allia». Ociili 

 majusciili rolundi ferriigiiiei. Tiiorax 8^ scHlelliim olisciire ci- 

 iierea 1. nij^ricaiitia , selis ordinariis ornala. Alidoinen olilon- 

 giiin, nigruin, iiitens. Al» ehip.gala;, suliangiislatip, albo-liyaliiia-, 

 iiervis tenuibus [lallidis, 2 i;^* 3 lonjjitudinalilius versiis aiiiceiu 



