Vol. 1.] Jones. — Catalogue of the Ephydridae. 195 



European Species. 



caviceps. Sten . 96B240, 96S292, Scatella 448261), 



46Z1837, 60L42, 64S265. Scandinavia, Germany, 



Silesia. 

 contaminata Stenli. 90B240, Scatella 44S185. Sweden, 



Silesia. 

 criirata. See Scatella. 

 despecta Halid. 96B241, Scatella 39H409, 60L43, 64S267, 



Ephydra stagnalis 23F5, fenestrata 44S181, 46Z1831. 



North and Middle Europe, Silesia. 

 halterata Beck. 96B245, 96S292. Kohlfurt, Silesia. 

 2. hamifera Beck. 96B242, 96S292. Norway. 

 laevigata Lw. 96B243, Scatella 60L44. Silesia. 

 pumilio Lw. 96B244, Scatella 60L44, 64S2GT. Silesia, 

 quadriiineata Strobl. 00S4, 00S310. Spain. 

 signata Lw. 96B241, Scattilu 60L43. Sicily, Hungary, 

 tetra Beck. 96B244, 9<JS292. Low's Collection (prob- 

 ably Silesia). 

 unicornis Czer. 00C205, O0S310. Austria. 

 variegata Lw. 96B24;j, Scatella 60L43, 64S20T. Silesia, 



Dorpat. 



PELOMYIA Williston. Type occidentalis. 



occidental is Will. 93W2o8, 93S321, 96B274, 00C4(;i. 

 05A628. Monterey (California), Sordova (Alaska). 



TEICHOMYZA :Macquart. Type fusca. 



fusca Macq. 35M53.">, 60L45, 64S268, 86G1G0, 8US312, 

 90H239, 90S290. 96B20G, Scatella urinaria 30RD6, 

 Ephydra longipciniis 38Mo82. England, Ifrance, Ger- 

 many, Italy, Silesia. 



SCATELLA Robineau-Desvoidy. Type stagnalis. 



North Ajierican Species. 



1. Face in profile almost itcrpendicular, decidedly haired and 



ciliated stagnalis Fallen. 



Face not unusually perpendicular, hairing not pronounced.... 2 



2. Thorax, coxa\ femora and ribi;e whitish cinereous, wings 



irregularly streaked with whitish hyaline, .tiiesogramma Low. 

 Little or none of the body whitish cinereous, wings usually with 

 definite spots •"> 



3. Spots of the wings hyaline or whitish 4 



Spots of the wings brown 5 



4 . Wings with four white spots 7 



Wings with five white spots 9 



W^ings with seven or eight white spots 10 



Wings with ten white spots striata Walker. 



5. Two large brown spots between the first cross vein and the 



point of the wing beyond the third longitudinal 



quadrata Fallen. 



Three or more brown spots bpyonrl thp third longitudinal and 



behind the first cross vein H 



0. Base of the tarsi black stenhammari Zett. 



Base of the tarsi more or less reddish srjnnofa Low. 



