2648 1»S. Oscinn: 



in Norwegia a Clirisliania usque ad Thynas, Garnas d; i 

 Suul Vserdalia;, alque Bjorkvik <fe Dvroen Nordlandiae, 

 rainime rara; e Dania eliam missn. (E Finlandia a Prof. 

 Sah/berg, cfe ex Helgolandia a Docl. Dahlbom commu- 

 nicala). 



d"9- ^nittr iniiiimas luijiis generis, si non iniiiima, jnilice »»pi- 

 us minor. l'er hanc miniiliero, colorem curporis suhsene- 

 sceiiti-nigrum £c l>artiiiin atrum, exceptis alis sulihyaliiiis, hal- 

 teriltus fiC tarsis |)alli(lis, ali affinilms di^iiascitiir hiec in Sve- 

 ci.n uliiqiie coiiiiisissiine olivia sjiecies. IVitida. Caiml roliin- 

 (latiiin, anlice convexiiin, lotum atriim o|iaciim, niiiciila ver- 

 ticis niagna trigona nilida, aciiiniiie anlico ad anleiinanim ra- 

 dicem fere exleiisa, liasi dilatatn. Anlenna> mediocres rotiin- 

 dala; atra>, sela j^eniciilata revera nigra, sed certo liimiiiis si- 

 tii quasi allio-micat, iinde a Meigen 6C Macqvart 1. c "alba" 

 dicitiir. E[)istoina iieriieniliciilare infra ociilos non descen- 

 dens. Paljii &^ jirolio.scis atra. Ociili magiii, in viva a-nescen- 

 tes. Tliorax niger, cerlo sitii ohsciire aneo-micans. Sculel- 

 luin parviim concolor, ul inihi videlur suhconvexum. Abdo- 

 inen oiiloiigiim, in d" aiigiisliiliiin ajiice ohtiisum, in 9 ^»*^"' 

 tiim ventre in viva tuinido nifescente; in iitroque sexii Iho- 

 raci coiitolor. Ala; alidomiiie iiaullo longiores, hyalin», in 

 viva alliido-liyalitia.', iiiterdiim (iii vetiislis) leniter fiiscanie jirae- 

 ciime ad coslain. iVervi iil in O. inaura (30) direcli. Halte- 

 res albidi. Pedes siiniilices nigri, tarsis vel oinniliiis vel sal- 

 tein jiosterioriliiis (lavis, arliciilo sallem iiltimo jilenimqiie oh- 

 sciiro ; raro metatarsis tantum llavis, iit in var. c, qiije &j' iii 

 Scaiiia ^ Lajiiioiiia Aug. Sejit. «cciirrit. 



40. 0, pnsilla : a;nesceiili-nigra nilida, capile, anlea- 

 nis (isela alris; lihiis anlei ioriljus larsisque oinnibus pal- 

 lidis; alis hyolinis, segmento nervi 4:li longiludinalis 2:do 



