REPORT OF THE STATE ENTOMOLOGIST I917 



169 



postscutellum and abdomen yellowish or yellowish brown. Wings 

 hyaline, costa light brown. Halteres yellowish. Legs probably 

 light straw; claws long, slender, strongly curved, the anterior uniden- 

 tate, the pulvilli one-third the length of the claws. Genitalia; basal 

 clasp segment short, stout, a conspicuous triangular lobe at the 

 internal basal angle; terminal clasp segment long, stout; dorsal 

 plate short, the lobes narrowly rounded; ventral plate short, stout, 

 broadly rounded. Type Cecid. ai728. 



Coquillettomyia bryanti Felt 

 1913 Felt, E. P. Psyche, 20:144 



This New England species is most easily recognized by the broad, 

 white annulations on the tarsi. 



Coquillettomyia dentata Felt 

 1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 398 

 The light brown male was taken July 18, 

 1906 on a window at Newport, N. Y., and 

 numbers were observed hanging from cob- 

 webs. This species was taken at North 

 Adams, Mass., August 1907 by Owen Bryant. 



Male. Length i mm. Antennae twice 

 the length of the body, thickly haired, light 

 brown; 14 segments, the fifth with stems each 

 four times their diameters. Palpi; the first 

 segment short, stout, the second narrowly 

 oval, the third with a length twice the second, 

 the fourth one-fourth longer than the third, 

 more slender. Mesonotum light brown, the 

 submedian lines yellowish. Scutellum light 

 brown, yellowish apically, postscutellum and 

 abdomen light brown. Genitalia yellowish. 

 Wings hyaline, costa light brown. Halteres 

 pale yellowish. Legs light brown ; claws long, 

 slender, strongly curved, the pulvilli half the 

 length of the claws. Genitalia; basal clasp 

 segment short, stout, a roundly triangular 

 basal setose lobe internally; terminal clasp 

 segment nearly as long as the basal clasp seg- 

 ment, slender; dorsal plate apparently want- 

 ing; ventral plate long, slender, broadly rounded. 



Fig. 71 Coquil- 

 lettomyia den- 

 tata, fifth antennal 

 segment of male (en- 

 larged, original) 



Type Cecid. 622. 



Coquillettoinyia knabi Felt 

 1912 Felt, E. P. N. Y. Ent. Soc. Jour., 20:154-55 

 A number of males and females of this species were taken on a 

 spider's web at Port Limon, Costa Rica, by Frederick Knab. 



