August. '09] JOURNAL OF ECONOMIC ENTOMOLOGY 289 



tennffi with 16 segments, the fifth with a length two and one half times 

 its diameter. Type Cecid. al937a. 



Dasyneura radifolii n. sp. was reared April 16-20, 1909, from an 

 irregular, oval gall composed of root leaves of Solidago puhc7-ula or 

 S. jtmcea taken by Miss Cora H. Clarke at Magnolia, Mass. Male 1.5 

 mm. long. Abdomen dark reddish brown. Antennae with 17 seg- 

 ments, the fifth with a stem one fourth longer than the basal enlarge- 

 ment, which latter has a length two and one half times its diameter. 

 Female 2 mm. long, with 16 antennal segments, the fifth with a length 

 two and one half times its diameter. Type Cecid. al911. 



Dasyneura corticis n. sp. was reared by Miss Cora H. Clarke May 

 21, 1909, from small willow twigs taken in the Arnold arboretum at 

 Boston, i\Iass. Male 2 mm. long. Abdomen dull reddish orange. 

 Antennre with probably 16 segments, the fifth with a stem three 

 fourths the length of the cylindric basal enlargement, which latter 

 has a length twice its diameter. Female 1.75 mm. long. Abdomen 

 deep red. Antennae with 15 segments, the fifth with a length two 

 and one half times its diameter. Type Cecid. al966. 



Dasyneura toiveri n. sp. was reared September 16 and October 20, 

 1908, from enlarged flower buds of Hypericum niutilum taken by Miss 

 Cora H. Clarke at Magnolia, INIass. Male 2.5 mm. long. Abdomen a 

 variable reddish.. Antennee with 19 segments, the third with a stem 

 one fourth longer than the cylindric basal enlargement, which latter 

 has a length twice its diameter. Female 2 mm. long, with 19 anten- 

 nal segments, the fifth with a length three times its diameter. Type 

 Cecid. al883. 



Dasyneura aromaticcB n. sp. was reared by Miss Cora H. Clarke 

 August 23, 1908, from an ovoid, hairy, green, axillary or terminal gall, 

 about 4 mm. in diameter, on mint taken at Barre, ]Mass. Male 1.25 

 mm. long; abdomen yellowish brown, the basal segments and gen- 

 italia fuscous ; antennffi with 14 segments, the fifth with a stem as long 

 as the basal enlargement, which latter has a length one half greater 

 than its diameter, the third and fourth palpal segments equal. Type 

 Cecid. al875. 



Rhahdophaga elymi n. sp. was reared January 19, 1891, from 

 Elynius amerkanus collected at Alameda, Cal. Female 2 mm. long. 

 Abdomen light reddish brown. Antenna with 16 segments, the fifth 

 with a length at least three times its diameter, the fourth palpal seg- 

 ment a little longer than the third. Ovipositor stout, about one 

 fourth the length of the abdomen, the lobes broadly oval and with a 

 length one fourth greater than the width. Type Cecid. 1044. 



Rhahdophaga rileyana n. sp. was reared by the late C. V. Riley in 



