288 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 2 



our disposal through the courtesy of Doctor Howard. Male 1.5 mm. 

 long. Abdomen dark reddish brown, the segments narrowly margined 

 with white ; antenna with 19 segments, the fifth with a length equal 

 to its diameter. Female 2 mm. long; antenna? with 23 to 24 seg- 

 ments, the fifth with a length three fourths its diameter. Type 

 Cecid. 901. 



Lasioptera murtfeldtiana n. sp. w^as reared September 9, 1896, from 

 sunflower seeds taken at Kirkwood, Mo., probably by Miss Murtfeldt. 

 The specimens were placed at our disposal through the courtesy of 

 Doctor Howard. Male 2 mm. long; abdomen yellowish brown, the 

 third vein uniting with costa at the distal third ; legs unicolorous ; an- 

 tennae with 17 segments, the fifth with a length three fourths its. 

 diameter. Type Cecid. 902. 



Neolasioptera menthce n. sp. was reared by Mr. L. H. Weld May 13 

 and 19 from a polythalamous mint stem gall, 6-12 nim. long, taken 

 in the vicinity of Chicago, 111. Male 1.5 mm. long; abdomen dark 

 brown, the segments broadly margined posteriorly with white, those 

 of the second to seventh broadly interrupted mesially; legs narrowly 

 annulate with white ; antenna? with 17 segments, the fifth with a length 

 nearly equal to its diameter. Female 2.75 mm. long; abdomen dark 

 brown, with submedian silvery spots and laterally subtriangular, white 

 marks on segments 1 to 6 ; antenna? with 25 segments, the fifth with a 

 length three fourths its diameter. Type Cecid. al823. 



Neolasioptera amhroske n. sp. was reared by Mr. C. R. Crosby in 

 January, 1909, from the stems of giant ragweed. Ambrosia trifida, 

 taken at Ithaca, N. Y. Male 2 mm. long. Abdomen dark brown, 

 with white submedian spots. Antenna? with 15 segments, the fifth 

 with a length one fourth greater than its diameter; female 2.25 mm. 

 long, with 17 or 18 antennal segments. Type Cecid. al926. 



Dasyneura maritima n. sp. was reared in April, 1909, from the 

 tightly rolled terminal leaflets of the beach pea, Lathyrus maritimus^ 

 taken by Miss Cora H. Clarke at Magnolia, Mass. Male 1.75 mm. 

 long. Abdomen dark brown. Antennae with 18 segments, the fifth 

 with a stem three fourths the length of the basal enlargement, which 

 latter has a length one half greater than its diameter. Female 2 mm. 

 long, with 16 to 17 antennal segments, the fifth with a length twice its 

 diameter. Tj^pe Cecid. al895. 



Dasyneura gemmce n. sp. was reared in late March and early April, 

 1909, from small conic apical bud galls on willow taken by Mr. C. P. 

 Smith at Logan, Utah. Male 2 mm. long. Abdomen dark brown. 

 Antennae with 18 segments, the fifth with a stem one fourth longer 

 than the cylindric basal enlargement. Female 2.5 mm. long. An- 



