108. Tachina. 1059 



mis albis, area subaperla, paullo anle apicem alse in 

 cosla lerminala; vibrissis spuriis. ^^. (Long. 2^— 3| lin.). 



Fall. Musc. 13. 24. ^^. Meig. Dipl. 4. 35T. 205. <fe 

 T. 191. 55. Zell. Ins. Lapp. 636. 12. ^^. 



Hab. in Scandinavia, 12 Jul. — 18 Sepl., passim, 

 in copula; scilicet in Scania in graminosis acl Esperod in 

 parttc. Mellby, dc. haud raro; in Qlandia, D. Boheman; 

 in GoUlandia in pralis ad Fardn dc; ad Holmiam, D. 

 Wahlher^; in Botaia occidenlali ad Kemi rar.; in Nor- 

 vegia inter Dovre & Lerdalsceren ; D. Boheman. (Sub 

 nomine Tach. vulgaris a D. Zeller e Glogavia comrau- 

 nicala). 



^$. Piiore raro niajor, plerumque paullo minor, eique valde 

 similis, sed diflfert, fronte nonnihil minus prominula, ala- 

 runi nervo long. 4:to magis exacte angulato, paullo remotius 

 ab apice alae in costani excunente, 3:tio basi setulis plerum- 

 que 3 — 4 (nec 1—2), spinula castse vix ulla, alisbasi parum, 

 (fc costa' non, fusco-flavidis , squamis albis , ut <k tibiis 

 nigris. Vibrissse infeine paucissimte. Thorax antice lineis 

 4. Abdominis lateia in $ 'aro rufo-maculata. Abdomen 

 certo situ linea dorsali nigra ut in priore. Setse frontales 

 paullo infra antennas descenduiit. Reliqiia ut in T. tibiali. 



53. T. mutabilis.: oblongo-ovala , corpore in ^f 

 nigricanle, oculis appropinquanlibus, in 9 cinerascenle, 

 oculis remolioribus; fronle in ulroque sexu subprominula , 

 villa alra; anlennis subelongalis, liniaribus, seta biarli 

 culala, ferc ad mcdium incrassala, pedibnsque, nigris; 

 alis subhyalinis, area subaperla ferc in apice ala; lcrmi- 

 nala, squamis subfuscanis; vibrissis nullis. ^^ minor. 

 (Long. \\ — fero 2 lin.). 



Mas: nigiicaus, epi.stomate albo-niicante. Frons angusta, 

 serie setarum haud validarum utrinque simplici. Thorax 



