414 THE CANADIAN ENTOMOLOGIST 



Dasyneura seminivora Beuten. 



Cecidomyia (?) seminivora, Beutenmuller, Bull. Am. Mus. 

 Nat. Hist., Vol. XXIII, 1907, p. 390, pi. XV., figs. 1-4 (larva and 

 gall).  



Male and Female. — Head and antenna? black. Thorax deep 

 brown-black, somewhat shining, with erect hairs in the grooves; 

 scutellum deep red. Abdomen deep red, covered with deep 

 brown black scales above; under side wholly deep red with rather 

 long, erect, dark hairs. Legs blackish above, pale brown beneath. 

 Wings blackish hyaline with bluish reflection; extreme base of 

 wings red. Halteres yellowish brown. Expanse 4 mm. Length 

 2 mm. 



This species was heretofore known from the larva and gall 

 only, and the adults are here described for the first time. The 

 flies emerged from May 31 to June 15. The gall is a deformation 

 of the seed-pods of certain species of violets. 



Lasioptera podagrce, sp. nov. 



Male and Female. — Head clothed with gray scales in front and 

 behind; eyes black; antenncC deep brown, first and second joints 

 dull red. Thorax narrowly banded on each side from the anterior 

 portion of the scutellum, with gray and brown hair-scales. Along 

 the middle of the thorax is a very broad golden brown band from 

 the scutellum to almost the anterior portion. Scutellum marked 

 with gray scales. Abdomen velvety black, with a row of large, 

 broad gray marks on each side, decreasing in size toward the last 

 segment. Under side: Thorax black marked with gray, abdomen 

 wholly gray; legs black above, white on the joints, tarsi banded 

 with white; femora beneath white from the base to about the 

 middle. Wings hyaline with black scales, red at the extreme base 

 and with a very small white mark at the middle of the costa. 

 Halteres red or white. Expanse 2.50 mm. Length 1.50 mm. 



Gall. — Polythalamous, consisting of an elongate swelling en- 

 largement of the stems of a species of aster. Length 20 to 50 mm., 

 Width 8 to 10 mm. 



Habitat: Fort Lee, New Jersey; Bronx Park, New York City 

 (W.B.). 



Types: Collection Am. Mus. Nat. Hist. 



