190 University of California PuhUcat ions. [Entomoi.ooy 



EUEOPEAN Species^ — Continued. 



aenescens Stenh. 44S201, 46Z1928, 60L30, 96B19S, aenea 



38Z718, Alikii 9oS2S0. Scandinavia, England, Austria, 



Silesia. 

 guttipennis Stenh. 96B199, Telmatobia 44S212. Europe, 

 nitens Lw. 73L309, 73R427, 96B199. Calabria. 

 subpunctata Beck. 96B198, 9GS291. Dalmatia. 

 ventruosa. See Lytogaster abdominalis. 



LYTOGASTER Becker. Type ahduviinalis. 



abdominalis Stenh. 96B203, Philygria 44S238, Pellna 

 ventruosa 73L310. Silesia. 



DOMINA Hutton. Type metallica. 



metallica Hutt. 01H90, 01S272. New Zealand. 



BRACHYDEUTERA Loew. Type argenfata. 

 North American Species. 



argentata Lw. 05A628, dimidiata 62L163, 78OS203, 

 95J338, 96B269, Notiphila 56W406. District of 

 Columbia, Florida. 

 dimidiata. See argentata. 



European Species. 



argentata Walk. 96B201, dimidiata 62L163, Ephydra 



56W407. Europe. 

 dimidiata. See argentata. 



HALMOPOTA Haliday. Type salinaria. 



mediterranea Lw. (50L34, 9GB20G. A.^ia Minor, 

 salinaria Bouche. 56W346, 60L34, 64S260, 96B205, 

 Ephydra 34B99. England, Germany, Silesia. 



PARYDRA Stenharamar. 



North American Species. 



1. Scutellum with conical warts 2 



Scutellum without conical warts 5 



2. Scutellum with one wart, apex not bearing a spine 3 



Scutellum with two warts, apices with spines 4 



Scutellum with four warts quadrituierculata Low. 



3. Abdomen subopaque, tii)s of femora, base and tij>s of tibiae. 



and metatarsi dark reddish , . .imitans Low. 



Abdomen black, legs without reddish coloring 



uiiituberculata Low. 



4. Tubercles exceedingly small, hairing of face snow white 



I)inf/ui!i Walkoi-. 



Tubercles not unusually small, liairing of fare not white 



hitiiberculata Liiw. 



5. Face nearly perpendicular brcviccps Low. 



Face more or less oblique G 



6. Clypeus and cheeks excessively narrow pavllula Low. 



Clypeus and cheeks not excessively narrow 7 



7. Second longitudinal vein with a branch near its end S 



Second longitudinal vein without such branch 10 



