REPORT OF THE STATE ENTOMOLOGIST I907 269 



prominent. Costa almost reaches tip of the wing, the posterior 

 branch of the radius entering the costa but a short distance from 

 its apex. First radial cell about three times as long as wide ; the 

 media forks before the R-M cross vein ; the cubitus forks more 

 than the length of the first radial cell before the fork of the media, 

 the two anal veins do not reach the wing margin. Halteres with 

 a grayish tinge. Length 2.5 mm (abdomen shrunken). Length of 

 each wing 5 mm. Two specimens. Old Forge, N. Y. 



Johannseniella argentata Loew 



This species was erroneously referred to Palpomyia (Sphaerom- 

 yas) in Bui. 86. 



Genus paxpomyia 

 Megerle in litt. Meigen 1818 

 The type of the genus is f 1 a v i p e s Meigen (^^ genie u lata 

 Megerle). 



Subgenera of palpomyia 



a Last tarsal joint with two rows of coarse soines below. Sphaeromyas 



aa Last tarsal joint with hairs below Palpor»yia 



Alasion Rondani must be considered as a synonym of the sub- 

 genus Palpomyia since f 1 a v i p e s Meigen {•= hortulanus) is 

 given as the type for each. 



The following are North American species of this genus. 

 Subgenus Sphaeromyas : longipennis,s caber, schwar- 

 zii, slossonae, subasper, tibialis. 



Subgenus Palpomyia : curriei, flavipes, lineatus, 

 nubifer, trivialis. 



Genus HETEROMYIA 



Say, 1824. Restored to generic rank by Kieffer in 1906 

 The type species is H e t e r o my ia fasciata Say. 

 North American species are : clavata, fasciata, fes- 

 tivus, plebeius, prattii. 



Genus serromyia 

 Megerle. Meigen, 1818. Restored to generic rank by Kieffer in 1906 

 S. f em or at a is the type. It is the only species yet recorded 

 from this country. 



