REPORT OF THE STATE ENTOMOLOGIST [916 



* 57 



Described from 

 T. D. A. Cockerell. 

 original description. 



types kindly loaned for 'study by 

 The color characteristics arc taken 



Professor 



from the 



1908 Felt, E. P. 



Lasioptera serotina Felt 



N. Y. State Mas. Bui. 124, p. 326 



1 11- 



This species was taken on chokecherry, Prunus vir,, 

 i a n a, at Albany, N. Y., May 23, 1907 and may possibly cause 

 the irregular subcortical galls on the small twigs of wild cherry. 



Female. Length 2.5 mm. , 



Antennae dark brown; 19 

 segments, the fifth with a 

 length a little less than its 

 diameter ; terminal seg- 

 ment suboval. Palpi; the 

 first segment subquadrate, 

 the second a little stouter, 

 rounded distally, the third 

 more slender and a little 

 longer than the second, the 

 fourth a little longer and 

 more slender than the 

 third. Mesonotum dark 

 brown with a golden luster. 

 Scutellum dark, shining. 

 Abdomen dark brown with 

 a row of submedian white 

 spots. Wings (pi. 5, fig. 1) 

 hyaline, costa fuscous ba- 

 sally, the third vein unit- 

 ing with the yellowish stig- 

 matal spot at the distal 

 third. Halteres yellowish. 

 Coxae, femora and tibiae 

 pale beneath, the tibiae 

 above, and tarsi dark 

 brown; claws stout. Ovi- 

 positor probably half the 



length of the abdomen ; terminal lobes slender, acut 

 with five or six heavy hooks. Type Cecid. 79. . 



Y 



termi- 



Fig. 26 Lasioptera serotina 

 nal abdominal segment and ovipositor and the 

 tip of the latter showing the peculiar chiti- 

 nous hooks still more enlarged (original) 



ily rounded, and 



Lasioptera cylindrigallae Felt 



1907 Felt, E. P. X. Y. State Mus. Bui. no, p. 150-51 



1908 X. Y. State Mus. Bui. 124, p. 326 



1909 Ottawa Nat., 22:249 



The midges were reared in early May from a uniform enlargement 

 of Solidago stems, the deformity being some 10 cm long and .7 cm 

 in diameter, and occurring usually just below where the branches 



