79. EristaUs. 179 



Fabr. Antl. 210. 34. Lalr. Gen. 4. 323. Musca Linn. 

 Fn. Su. 180L l)e Geer Ins. 6. 139. 4. Syrphuscestraceus 

 FaU. Syrph. 21. 9. ^$. Meig. Dipl. 3. 219. 2. Chei/osia 

 jKstracea Macq. Buff. 1. 555. 2. ^'^. Low Bemerk. 32. I. 

 Syrphus rupestris Panz. Fn. 59. 13. $. male colorala. 



Hab. in floribus Umbellalarum , per Sueciam meridio- 



nalem cfe mccliam, 9 Jul. — 23 Aug. , passim; scilicel in 



Scania ad Abusa, Lindholmen, Esperod dc, frequens; in 



Oslrogolhia ad Gusum, D. IVahlberg ,aA Liirketorp, ipse; 



in Helsingia ad Jerfso, D. Dahlbotn, rar. In Dania , D. 



Stager. (E regione Reinerzensi Silcsiai a D. ZeZ/er). 



0$. Hubitus Oestri propter pictiirain hir.sutiei. Kubtista, 



Facies cinerascens. Antcnnaiuiii articiilus ultiiiius oibicu- 



laris, fuscus aut ferrugiiieus , seta nigra, pubescente. Tho- 



rax albo-villosus, fascia inedia nigro-hirta. Abdonien nigrum, 



basi aibo-, upice fulvo-hirsutuni, Alse h^^alinas, inacula 



luedia ad costaiu nigra. Squanise & halteres, fusca I. sor- 



dide albida. Feiiiora nigra, cano-pilosa. Tibiee fusco-fer- 



rugineaj, annulo niedio nigro. Tarsi fusci, luetatarso ple- 



runujue ferrugineo. 



3. E. ruficornis : Ihorace nigro, cinereo- 4-lineato; 

 abdomine aeneo, tenuiler fulvo-pubescente; capite, scu- 

 lello pedibusque rufo-flavis, antennis ferrugineis; fronle 

 femorumque basi nigricanlibus; alis hyalinis, nervislrans- 

 versis fuscedine cinctis. ^^. (Long. 2^ — fere 4 lin.). 



Fabr. Antl. 213. 50. Fall. Syrph. 50. 2. ^^. Zelt. 

 Ins. Lapp. 610. 2. $% Syrphus Panz. Fn. 77. f. 20. $. 

 Rossi Fii. Klr. 1 IS. 1 1(56. T. 10. f. 9. manca. — Meig. Dipt. 

 3. 27S. 1. Cliei/osin Macq. Buff. I. 555. I. Lciw Hemork. 

 32. 2. E/ophi/us Latr. (ien. 324. 



Hab. in floribus Chaerophylii, ncrberidis dc, per 

 lotam Scandinaviam, 15 Maj. — 13 Aug., passim; scilicet 



