139. Ephydra. 1821 



stacei. — Varial miper excliisa tola liniiineo-teslacea, qualis a 

 Fallen in Act. llolm. 3833 p. 247 describitiir. 



8. E. coarclata: obscuie olivacco-aenea, siibnilida, 

 glahra; anlennis nigris, sola nuda; fronle tcnea lucida, 

 villis 2 kilcsccnlibus opacis ; cpislomale niinus convcxo, 

 iiifiine subtoarclalo, glabro, lulcsccnli pollinoso, vibrissis 

 ulrinque 4 brevibus; alis subfumalo-byalinis, nervis Irans- 

 versis infnscalis, fuscetline gulla albida obsolela ulrinque 

 lerniinala, ncrvo longiludinali 2:do apice subangulalim 

 flcxo, segmcnlo cosIbc 2:do, 3:lium longiludine fere ullra 

 diraidium exccdenle; lihiis basi apiccque albo-micanlibus, 

 'iDclalarsis leslaceis. <^$. (Long. 1 — Ir] lin.). 



ir/as &\ femina ut iu iirsecedente differunt. 



Fall. Hydromyz. 4. i. ({$. Meig. Dipl. 6. 116. 7. Slenh. 

 Monogr. 189. 16. ^^. (Farydra). 



Hab. in humidis plerumque locis apricis ad fossas, 

 cnnaliculas & margines aquarum, pcr Scandinaviam meri- 

 dioiialem c^ mediam, pra;scrlim versus auUimnum, Jul. 

 Aiig. Scpl., passin» (rcquens; scilicel in Scania ad Lund, 

 rogelsang (eliam d. 24 April. a I). G. F. Aioller lecla), 

 'rianas, Esperod cCc, non raro; in Oslrogolbia frequens; 

 iii Olandia parce; in Uplandia, D. Slen/urmmar di JFahl- 

 Inrg : in Dania baud infrequcnler, D. Staeger. 



cJQ- ^ i^rcPcetlenle, ciii de celero similis, differl : magnitiidine 

 j»aiillo miiiore, epislomate versiis apicem magis coarctalo, se- 

 miconico, lolo dense liileo-i>ollinoso, alis nonnihil magis iiifii- 

 malis, «iiide giilla! alhida; in disco inelius aiiparent (sa-iiius ta- 

 men sat o!)Solelffi), &^ pra-cii^ue nervo longil. 2:do apice versus 

 costam fere angiilalim, nec regiilariler arciialim, iiiflexo. — 

 Seta anlennariim in medio microscopice piiberula. Nervus 

 loiigitiidinalis 2:dus apice (ad angulum) sa-pe nervulo miinitis- 



