876 86. Xylola. 



nigredine \'\x eenescente setjiientiiini segmentorum ad.scen- 

 deiite, alis inagis infuscatis, i^edunique pictura. 



***3 Iroclianleribus poslicis in ^'^ mulicis. 



10. X, femorala: iiigro-ccnca , parum puhesccns, 

 anlonnis ferrugineis; abdomine alro; pedibus vufis, posti- 

 corum femorum apice, libiis U/rsisque lolis, nigris. ^^. 

 (Long. \\ — 5 lin.). 



Zell. Ins. Lapp. 586. 7. ^'^. Musca Linn. Fn. Su. 

 182J. genuina. — Milesiu Fall. Syrpb. 11. 8. $^. vera. 

 — Sijrphus vo/vn/us Fabr. Enl. Sysl. 4. 295. 62. cerle. — 

 Xy/ola vo/vu/us Meig. Dipl. 3. 223. 16. t. 28. f. 29. J*. 

 forle ejusdcm , licel femora postica apice non nigra. — 

 Macq. BufT. 1. 520. 2. vix eadem , nam Clar. Auctor suam 

 speciem inter illas, qux' Irochanleribus poslicis lubercu- 

 latis gaudenl, relulil. 



Hab. in Iruncis aiborum prieserlim emorluarum Po- 

 puli tremulie, Salicis ttc. , per Scandinaviam , 20 Jun. — 

 20 Jul,, passim; scilicet in Smolandia ad diversorium 

 Hamneda; in Oslrogolbia ad LiirKetorp, Medhamra-ang 

 propc Wadstena, naradsbammar, pra^dium Gotlenvik in 

 paroec. Jonsberg (D. Sten/iammarJ , Gusum ctc. ; in Cal- 

 maria ad Berga ; in Olandia rarius; in Uplandia ad Hol- 

 miam, D. IFa/i/berg ; in Lapponia Umensi ad Wilhelmina 

 rarissime. (Ex Helvelia ulrumque sexum per D. Ko- 

 new/ia oblinui, <t e Nertschinsk in Dauria Sibir. orient. 

 non procul a finibus China! specimen feniineum, nostris 

 nonuihil majus, 1810 mihi misil Geuer. Gomes a 3Ian- 

 ner/ieim). 



0+« ^. segni paulli) longior, subnitida. Caput nigruin, episto- 

 mate levissinie albo-pollinosuni, Anteiuue luteo-feriuginea; , 

 seta coiicoiore , articiilo l:nio fuscse. Tliorax supia obscure 

 u:ueus, brcviter griseu-pubescens , obsuletissinie albu-linea- 



