Vol. 1.1 Jones. — Catalogue of the Ephydridae. 185 



HYDRELLINAE. 



GLENANTHE llaliday. Type ripicohi. 



fuscinervis Keck. 96B16r>, 96S291. Norway, 

 ripicola iralid. 3911404, r);5W258, G0L16, 64S246, 96B1(m. 

 Europo. 



HYDRELLIA Itobineau-Desvoidy. Tyjie yriscola. 

 NoKTH American Species. 



1. Entire legs yellow giluipcs Coquillett. 



Legs not entirely yellow 2 



2. All of the coxa? yellow pulchra Williston. 



Only the anterior coxse yellow ischiaca Low. 



None of the cox* yellow .'1 



3. Face shining white formosa Low. 



Face snowy white hypoleuca Low. 



Face pale yellow 4 



Face dark yellow, narrow, much widened below 



scapularis Low. 



Face brownish-black opaque 5 



4. Face rather broad, but little widened below valida Low. 



Face narrow, much dilated below as in scapula ri'^ 



conformis Low. 



5. Abdomen brownish metallic green, somewhat glossy 



ohscuripes Low. 



Abdomen black but little shining, thinly grayish dusted 



parva Williston. 



apicaUs. See Ephygrobia. 

 compta. See Ephygrobia. 

 conformis Lw. G9L41, 72L73, 69D444, 78OS202, 96B270. 



05A626. Newport (R. I.), 

 formosa Lw. 61L355. 62L154, 65L94, 78OS202, 96B270, 



00H593, 05A626. Pennsylvania, 

 gilvipes Coq. 00C261, 00S309, 05AG27. Porto Rico, 

 hypoleuca Lw. 62L151, 78OS202, 96B269, 05A627. 



Middle States, 

 ischiaca Lw. 62L150, 7SOS202, 96B269, 05A627. Middle 



States, 

 iiKinthva. See Ephygrobia. 

 vitidvla. See Psilopa. 

 obscuripes Lw. 62L152, 78OS202, 96B269, 02S8, 05A627. 



Middle States, White Mountains (N. H.). 

 parva Will. 96W399, 96S291, 05Af!27. St. Vincent. 

 pulchra Will. 96W400, 96S291, 05A627. St, Vincent, 

 scapularis Lw. 62L153, 78OS202, 96B269, 00C461, 02S320, 



05Afi27. New Jersey, Illinois west to California, 

 valida Lw. 62L153, 78OS202, 96B269, 05A627. Middle 



States, 



European Species. 



alhicep-f. See mutata. 

 nlhifrovs. See nigricans. 



albilabris Meig. 53H258, 56H34.^), 60L18. G4S248, 66F973, 

 GGI).";i2, 96B183, argyria 30RD793, argyrostoma 44S23G, 

 NotipMla 46Z1895, nlhilabris 30M71. North and Middle 

 Europe. Silesia. 

 3-E 



