REPORT OF THE STATE ENTOMOLOGIST I914 203 



Described from a type specimen, Cecid. 1239, donated for study 

 bv Prof. William Beutenmueller. 



Phytophaga electra Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 369 (Mayetiola) 



This reddish brown species was taken on hazel, C o r y 1 u s 

 americana, at Albany, N. Y., May 18, 1906. 



Female. Length 1.5 mm. Antennae extending to the base of 

 the abdomen, sparsely haired, dark brown; 14 sessile segments, 

 the fifth with a length twice its diameter; terminal segment some- 

 what produced, fusiform. Palpi ; the first segment quadrate, the 

 second *a little longer than the first, tapering slightly distally, the 

 third one-fourth longer than the second, slightly swollen at the 

 distal fourth, the fourth one-third longer than the third, slightly 

 swollen distally. Mesonotum dark brown, the submedian lines and 

 posterior median area yellowish. Scntellum yellowish with numerous 

 apical yellowish setae, postscutellum dark brown. Abdomen car- 

 mine red. Wings hyaline, costa reddish brown, the third vein 

 well beyond the apex. Halteres and coxae yellowish transparent; 

 femora and tibiae yellowish brown, tarsi darker; claws slender, 

 strongly curved. Ovipositor short, the terminal lobes stout, broadly 

 rounded. Type Cecid. 50b. 



Phytophaga thalictri Felt 



1907 Felt, E. P. N. Y. State Mas. Bui. no, p. 123 (separate, p. 27) 

 (Oligotrophus) 



1908 N. Y. State Mus. Bui. 124, p. 369 (Mayetiola) 



This pale yellowish form was taken on early meadow rue, 

 Thalictrum dioicum, at Albany, N. Y., June 1, 1906. 



Male. Length 1.5 mm. Antennae shorter than the body, sparsely 

 haired, light brown, yellowish basally; 14 segmsnts, the fifth with 

 a stem one-fourth the length of the basal enlargement, which latter 

 has a length two and one-half times its diameter; terminal segment 

 stout, rounded, subcorneal apically. Palpi; first segment short, 

 stout, swollen distally, the second irregularly quadrate, short, the 

 third nearly twice the length of the second, obliquely truncate, the 

 fourth more slender, a little longer than the third. Mesonotum 

 light yellowish brown, the submedian lines paler. Scutellum, 

 postscutellum and abdomen pale yellowish, the latter sparsely 

 clothed with light hairs. Wings hyaline, costa light brown, the 

 third vein beyond the apex. (Plate 17, figure 6). Halteres pale 

 yellowish transparent. Coxae and basal portion of femora pale 

 yellowish, the remainder of legs fuscous yellow; claws long, slender, 

 evenly curved. Genitalia; basal clasp segment stout, obliquely 



