1 88 



NEW YORK STATE MUSEUM 



with a length about twice its diameter, the second narrowly oval, 

 with a length about three times its diameter, the third as long as 

 the second, more slender, the fourth longer than the third, somewhat 

 more dilated; face fuscous. Mesonotum dark brown, the submedian 

 lines yellowish, rather thickly haired. Scutellum and postscutellum 

 pale yellowish. Abdomen pale yellowish, tinged with orange basally 

 and apically, and with a conspicuous dark red, oval spot dorsally on 

 the second and third abdominal segments. Wings hyaline, costa light 

 brown; halteres light fuscous yellowish. Legs a nearly uniform fus- 

 cous straw: claws long, rather slender, evenly curved, the pul villi 

 about one-third the length of the claws. Genitalia; basal clasp 

 segment long, slender, a triangular lobe at the internal basal third; 

 terminal clasp segment long; dorsal plate long, broad, deeply and 

 roundly incised, the lobes narrowly rounded; ventral plate long, 

 slender, very deeply and roundly incised, the emargination with 

 a length about four times its diameter, the lobes parallel, slender 

 subacute; style long, slender. Type Cecid. ai542. 



Fig. 8oMycodiplosis holotricha, 

 fifth antennal segment of male (enlarged, 

 original) 



Mycodiplosis holotricha Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 401 



The pale yellowish male was reared at Albany in May 1908 from 

 jars containing hickory galls and was supposed to have originated 

 from that produced by Caryomyia holotricha O. S. 

 The species is peculiar on account of the very short loops of the 

 circumfili on the basal enlargement, see figure 80. 



