262. Boletina. 4159 



leribus larsisque omnibus, obscuris; libiarum calcaribus 

 Havis. ^$, (Long. 1—'1\ lin.). 



Sl«g. Dipt. Dan. 1840. p. 236. 4. J$. Leia coxitla 

 Fries, manuscr. 1826. 



Hab. io Scandinavia meridioiiali el borcali, rarius; 

 niarem in Scania ad Abusa, B. /*>/V4-, in Fogelsang, ipse ; 

 leminam in alpc Kiiljhog, in jugo alpino Norwegi* 'J'J 

 Jiil. IS4U seniel deprehendi; ulcrque sexus in gramine, 

 mensc Aprili el Majo in Charlollenlund Daniae inven- 

 Uis a D. SlfFi^er, mas sape in magna copia, femina 

 mnllo rarior. Excmpla mascula eliam communicavil D. 

 Slager. 



CP9- f»"'' t'i'xas qualiior jiosif rioi fs ah arhnilni» lacile <li;;ii(>la. 

 Exsiccala. Nigra, nileiis. Anleiiiia; iii d" llioiace lrii>lo el 

 uUia loiigiorei), iii Q loii^^iliiiliiie lliorncis ; iii iilruqiie sexii 

 tilirorines, iiii^ricaiiles, iiDinaciilalx. Tlioiax ilorso |ira'sei liiii 

 ad lalera serialiiii lla\ kIo-jiiIusus. ,\li(loineii iii cf luiii^iiiscii- 

 liiiii, gracile, leniiiler |inlli<1u-iiiilieriiliiin. luliiin iiigriiMi, aiiu 

 tiiuiiiliiisculo, conculure ; in 9 siibcyliiiilriciiin, iiiliiliini, sii- 

 pra et .siibtiis nigrum. Al<e eliam quuad iiervus exacle iil in 

 (ir<ece<leiile. Halteres et [leiles |)alliile ilavi, cuxis posteriori- 

 liii.ii tolis, anlicisqiie ima basi, olisciiris. Truclianleres umnes 

 nigricantes. Feinura siiminu a{>ice vel fractiira ssye |iiinctu 

 fuscu. Tiliiie {lUileriores leiiiiiter et parce iiigru-spinulus», 

 calcariliiis llutis. Tarsi umnes nigri. 



7. B. sciarina: nigra, subnilida, anlennis palpisque 

 concoloribus ; Ihorace non viltalo; abdomine nigro, ano 

 concolore; alis hyalinis, nervis coslalibus disliDclis, ob- 

 scuris, reliqnis valde lenuibns, pallidis; halteribus pedi- 

 busqne ilavis, (i ochanleribus taisisquc obscuris; tibiaruni 

 calcaribus flavis. (J^. (Loug. circiler l^ — \{ lin.). 



