139. Ephydra. 1801 



1 aqvila Fall. ^^. 8 coarclata Fall. <^$. 9 furcata 

 Zell. <f9. 10 liloralis Meig. J$. 11 ajjinis Slenli. c?$. 

 12 nasulu Slenh. J^. 



B. alarum nervo longiludinali 2:do apice reclo. 

 Pr.Tclabrum occlusura. Ephydra (sensu pro- 

 prio) Stenhammar. 



1.3 slagnalis Fall. ^'^. li Jlavipettnis Slenh. ^f^- ^^ 

 flavescens Stenh. J"$. 16 argyrostoma Slenh. (E. stag- 

 nalis Fall. ^) J^- 1' nubilipennis Slenh. (E. stagnalis 

 var. b. Zelt. Ins. Lapp.) J^. 18 fenestrata Stenb. (E. 

 stagnalis b. Fall. $) c?$. 19 crihrata Slenh. J$. 20 

 caviceps Slenh. (^$. 21 flavitarsis Slenh. fii'. stagnalis 

 var. c. Zell. Ins. Lapp. J") J*? 22 contaminata Stenh. (;f. 

 2.3 quadrata Fall. cf$. 21 Stenhammari Zetl. (^ii^. 

 qiiadrata ^. Stenb.) ({$. 25 noctula Meig. (^. 



Sect. 1. Seta antennariim latere siipero radiata aut di- 

 stincte pubescens (in E. aurata, 2, hreviter pube- 

 rula). Praelabrum intra iieristomium retractum, nec 

 prominiilum. Epistoma plerumque insigniter ampli- 

 alum &^ convexum. 



1. E. riparia: supra aenescenti olivacea,sublus cum 

 pedibus cinerascens; anlennis nigris, seta dislincle pubc- 

 scenle; epislomale albido, pubcscenle, perislomio anlicc 

 cilialo, ciliis rectis; fronle maculaque sub antennis viridi- 



pote eviilentiorem ^ examinationi faciliorem, primo loco atlu- 

 li, libenler concedens nolam ex parfe oris electam dignioris 

 liaberi posse gradiis. Kotari interea meretur prjplabri promi- 

 neiiliam flexioni nervi 2:di in liacleniis observalis spetiebiis 

 (si Eph. auralain n:o 2 &^ ExUaneorum E. lcucuslumam 

 excipias) plerumqiie correspondcre. 



