THE CANADIAN ENTOMOLOGIST. 205 



margin, which, on the sides, protects the short, shghtly cmarginate 

 anal tube. 



Vial No. H.— Tokyo, Japan; Aug. 1912. 1 d" . 



Holotype, cT. — Tokyo, Japan; Aug. 1912. 



Type in the author's collection. 



D. nehulosa resembles unibrata Meij. (Java), but the leg-pat- 

 tern and venation are quite different. 



Genus Geranomyia Haliday. 

 Geranomyia avocetta, sp. n. 



Wings spotted; thoracic dorsum brown, the humeral portions 

 of the praescutum yellow; tibial apices not blackened. 



Male. — Length, excluding the proboscis, 7.5-7.7 mm.; pro- 

 boscis, 3-3.6 mm.; wing, 7.8-7.9 mm. 



Male. — Proboscis and palpi dark brown, the former more yel- 

 lowish basally; antenna?, basal segments dark brown, flagellar seg- 

 ments somewhat lighter brown, segments rounded-oval; front, ver- 

 tex and occiput dark-colored, almost black. 



Pronotum dark brown; in the paratypical specimen, the caudal 

 margin of the scutum and the scutellum, yellowish. Mesonotal 

 praescutum with a broad, dark brown, median line, widened behind; 

 humeral angles conspicuously light yellow, behind darkening into 

 brown of a lighter shade than the broad median vitta; scutum with 

 the lobes dark brown, median line paler; scutellum and postnotum 

 brown. Pleurae dull brownish-yellow, clearer below. Halteres 

 pale, knob a little browner. Legs: Coxa? and trochanters light 

 yellow, the latter margined with black at the tip; femora and tibiae 

 light brown, scarcely darkened at their tips; terminal tarsal seg- 

 ments darker brown. Wings, hyaline or nearly so, the costal cells 

 and veins more tawny; veins light brown, darker brown where tra- 

 versed by dark markings ; seven brown marks along the costal mar- 

 gin, the third at the origin of Rs extending down almost to vein M; 

 the fourth at the tip of Sc extending down into cell 1st Ri; the 5th 

 (stigmal) spot, largest, rectangular; the sixth and seventh spots at 

 ends of veins R2+3 and R4+5 ; cord and outer end of cell 

 1st M2 seamed with brown; a brown spot at ends of most of the 

 veins, most distinct and largest at the 2nd anal vein. Venation 

 (see pi. III.; fig. 8): Sc long, ending nearer to the fork of Rs than to 



