69. Sj/rphfis. 65T 



Ma$: caput iiigiuni , epistoniutc parum cinereo-pollinoso. Tho- 

 rax lutfo-liirtns. Abdoiiiinis seginentuni 2:(]uni luacula la- 

 terali lutea. Alarum nubecula fusca, irregularis; 



Fem.: caput cano-pollinosum , verlice, fronte ct- epistomatis 

 liiiea (lenudatu iiigris, nitidis. 'lliorax parum flavo-hirtu.s. 

 Abdonien atriini, nitidissimum , subniiduni, inimaciilatiini , 

 incisiiris tenuissinie albis, d- niacula in segmento 2:do la- 

 terali transv»Msa lineari rufa obsoleta. Alaruni nubecula 

 distincta. 



Fall. Svrpl). 2J. 11. ^. verus. — Zclf. Ins. Lapp. 

 593. 4. <^$. Erislalis rupium Fabr. Aiill. 211. 38.? $. 

 Meig. Dipl. 3. 39T. 19. J"$. (t. 32. f. 22 Sijrphum Cryp- 

 tarutn nostrum potius reprajsental). — Si/rph. cryptarum 

 Panz. 90. 18. $. S, Jlavicinctus var. (J. Fall. Syrph. 21. 

 13 est J* hujus. 



Hab. in Scandinaviae borealis floribus frequens, in 

 media? passim , 10 Jun. — 1 Sept. in hortis, pralis cC cul- 

 tis (nec in rupibus) obvius; scilicet in Lapponia Umcnsi, 

 Jemtlandia lola usque ad radicem Areskulan (fc MuIIfjel- 

 let, Herjedalia, Wermelandia , Nericia &c. , ubique vul- 

 garis; dcscendit in Sueciam mcdiam, cfe in Olandia alque 

 Ostrogolhia ex. gr. ad Gusum, Haradshammar , Liirke- 

 lorp, Wadslena , Omberg dc. , haud raro lectus. In Suecia 

 meridionali a me non observatus, sed in Norvegia ad Naes 

 VajrdaliiD 8 — 10 Jul. copiosc visus, femina praesertim 

 abundans. 



^?' "S. flavicincto valdc affmis cfe similis, in primis $\ 

 differt vero colore nigriore, nitido, nubecula alariim magis 

 determinata (prffisertim in $), tarsis albidioribus, femori- 

 bus posticis tolis nigris cfec. ; a >S. Arbiistoruin , cui etianj 

 subsimilis, metatarso postico simplici, nec incrassato, mox 

 dignotus. Scutelluin brunneum. Squaina & halteres, alba. 



83 



