42. Tachypezn. 815 



Wcllern propc Wadslcna, frcquonlor; in Jomllandia in 

 graminosis ad fluinon Arc propc Forsa ci Mullfjollcl , 

 passim; in Norvcgia in foliis Salicis <t Bclulu: ad Jillus 

 uiaris borcalis in parttcia Skogn ad Thynaes ctLcvanger, 

 ncc non iit infcralpinis Nonilandiic ad Gicboslad, Iiaud 

 raro. 



(JJ. Siiiiiii.s T. arroganli etiaiu qiioad dircctioiiem iiervoiun» 

 in alis, sed paullo niinor, <fe c«»lore pedum nigriorc, [jalpis 

 saltrm in ex.siroatis nigris , it fasciis uluruni nigris latiori- 

 bu.s, ail costani connexis , nec libcris , con.stanter dislincta. 

 Mactila pecturis schistacea utrinque ailest. .Xlae potius ni- 

 grse iiicenil;e, f.iscia basali aiigusta, sinu nieilio a niargine 

 interiori ad inediuni alaR aiigiiste assurgenle, A: suninio api- 

 ce , albis. Ilalteres albi. IViles toti iiigri , anteriurum go- 

 nubus (i: metatarsis rufescentibu.s. Variat femoribu.<] nnte- 

 rioribiis nigro-piceis A tarsis totis rufescentibus. — Tibia; 

 j)i»stic;e basi raro rufescunt. 



J. T, fiiscipennis : nigra , subnilida, anlonnis pcdi- 

 busquc lcslaccis, horum poslicis fuscis; alis nigricanlibus 

 basi apiccquc albidis. ^^. CLong. \\ lin.). 



Zcll. Ins, Lapp. .316. .'J. J^. Tr/c//v^/rowiVi Mcig. Dipl. 

 .3. 71. 5. ^. Macq. Bulf. \. .350. i. J^. Fall. Empid. 14. 

 19. <??. 



Hab. in truncis arboruin tl- in graminosis pcr Succiam 

 mcridionalcin ct nicdiam. 21 Jun. — 15 Aug., vulgaris, 

 in coptila sa-pc capla; sed in provinciis magis borcalibus 

 rariiis, tC- iiiha limilcm Lapponiic vix nisi rarissime obvia; 

 scilicct in Scania ad f^und , Abusa, Espcrod dc. vulgalis- 

 sima; in Oslrogolhia ad Wadslcna , Larkclorp dc fre- 

 qucns; in ijolllandia ad Nahr <lc. passim. 



$^. Anteiinic brcves, nuvsc , arliculo ultimo ssepe fuscu-te- 

 8taceu , seta longa. I*alpi $ albi , !f (lavi, upice iii utro- 

 que .sexii uigro-setigcii. Caput cinereum , epistomatc ob o- 



