69. Syrphu%. 667 



miim, individiia 7 vel 8 fominca sono pipiente celerrime 

 circumvolaudo congreganlia d- in cadavcris partc supra 

 aquam elcvata inlcrdum sedcnlia , dic 16 Jun. in Lappo- 

 nia obseivavi, ova in cadaverc sine dubio dcpositura. 

 0+- S|tecies (listiiicta, tota pallide griseo-hirta. AntennaB 

 iiigrae, seta nifescenti. Epistoma ciiiereum, vitta media A- 

 ore atris. Alulomen maculis lateralibus uti-inqiie 2in segmen- 

 to 2 (fe 3 fenugiiieis , in $ distinctis, majoribus, in $ 

 saepe obsoletis, Sqiiama siib alis & iialteres, sordidc fla- 

 va. Alarum nubecula fiisca. l'edes pilosi nigri , geniculis 

 sunimis & tibiis basi fere ad mediiim albis. 

 Var. b. (if^. alis aut immaculatis aut macula modia 

 obsolctissima. 



llab. cum var. a. passim. 



l^. S. cryptarum : niger, thorace ferrugineo-hirsu- 

 lo; abdomine subnndo, nitido, macula basali utrinque 

 fulva, segmcntis marginc apicali albidis; alis vitta costali 

 brunncsccnlc; anlcnnis, sculcllo pcdibusque rufis, femo- 

 ribus anlcrioribus basi nigi'is. (^9- (^-0"8' 3—4 lin.). 



Fall. Syrph. 29. 2J. J"^. (exclus. syn. Panz. quod ad 

 Syrph. piceum pcrlinet). Zctt. Fns. Lapp. 594. 8. (;^$. 

 Eristalis Fabr. Antl. 2^5. 11. Mcig. Dipt. .3. .389. 9. ^^. 

 t. 32. f. 22. $. — Mac(i. Buff. 1. 505. 13. 



Ilab. tcmpore vcrnali in floribus Salicis, Sorbi d-c. , 

 auluinnali in floribus Ericaj tlc. , pcr Scandinaviam, 10 

 Maj. — .Tul. — 6 Octob., sat vulgaris; scilicet in Scania ad 

 Abusa , Espcrud cic, frcq. ; in Wcslrogothia ad Mosse- 

 bcig, D. Gyllenhal; in Ostrogolhia ad "Wadstena, Mcd- 

 hainra, Haradshammar , Gusum ctc. ccrlis annis abundan- 

 tor; in Olandia passim ; in Uplandia' ad Ilolmiani, D. 

 iVahlbcrp;; in Jcmtlandia ad Asarnc , cliain ad As prope 

 (>stersund, haud raro; in Lapponia llmcnsi ad Lycksclc. 



