kEi'OKT OF THE STATK KNTOMOLUCIST I9I3 99 



longer than the second, slender, the fourth one-half longer than 

 the third. Mesonotum dark brown, the submedian lines sparsely 

 haired. Scutellum dark brown, with numerous coarse setae apically, 

 postscutellum reddish brown. Abdomen dark reddish brown ; 

 genitalia slightly lighter. Wings hyaline, costa pale straw. Hal- 

 teres pale yellowish. Legs a nearly uniform light yellowish brown ; 

 claws long, slender, strongly curved, minutely unidentate, the pul- 

 villi longer than the claws. Genitalia ; basal clasp segment long, 

 stout ; terminal clasp segment long, stout ; dorsal plate long, deeply 

 and triangularly emarginate ; ventral plate long, broad, very deeply 

 and roundly emarginate. Harpes long, narrowly rounded. 



Female. Length 2.5 mm. Antennae extending to the second 

 abdominal segment, probably brown; 17 subsessile segments, the 

 fifth with a length three and one-half times its diameter ; terminal 

 segment greatly produced, composed of two closely fused segments, 

 narrowly rounded apically. Ovipositor about one-half the length of 

 the body, the terminal lobes broad, with a length one-half greater 

 than their width, broadly rounded. Other characters nearly as in 

 the male. Type Cecid. 1073. 



Rhabdophaga pratensis Felt 

 1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 353 

 The dark brown male described below was taken on red clover, 

 Trifolium pratense, at Albany, N. Y., June 4, 1906. 



Male. Length 3 mm. Antennae probably extending beyond the 

 base of the abdomen, dark brown; at least .12, probably 16 seg- 

 ments, the fifth with a stem about two-thirds the length of the sub- 

 cylindric basal portion. Palpi ; the first and second segments sub- 

 equal, broadly oval, the third a little more prolonged, slender, the 

 fourth over twice the length of the preceding, much more slender. 

 Mesonotum, scutellum and postscutellum very dark brown. Ab- 

 domen dark brown. Wings hyaline, costa reddish brown. Halteres 

 pale. Legs pale brown or reddish, tarsi a little darker ; claws stout, 

 strongly curved at the distal third. Genitalia ; basal clasp segment 

 stout ; terminal clasp segment stout, obtuse ; dorsal plate broad, 

 deeply and triangularly incised ; ventral plate broad, deeply and 

 roundly emarginate. Harpes stout, subtriangular, the broadly 

 rounded apex bearing three long, subquadrate processes. Type 

 Cecid. 141. 



Rhabdophaga acerifolia Felt 



1907 Felt, E. P. X. Y. State Mus. Bui. no. \). 112. Sep. \). 16 



1908 X. Y. State Mus. Bui. 124, p. 354 



This dark brown male was taken on a hedgerow composed of 

 maple, elm and various bushes at Albany, N. Y., May 17, 1906. 



Male. Length 1.5 mm. Antennae about two-thirds the length 

 of the body, dark brown; 15 segments, the fifth with a stem two- 

 4 



iLb 



