August, '09] JOURNAL OF ECONOMIC ENTOMOLOGY 287 



Female 2 mm. long, legs unicolorous, the dark brown abdominal seg- 

 ments narrowly margined with white. Antennae with 21 segments; 

 palpi biartieulate. Type Cecid. al820. 



Lasioptera clarkei n. sp. was reared January 18, 1909, from whit- 

 ish, circular blister galls, some 2 to 3 mm. in diameter, on aster, 

 taken by ]\Iiss Cora H. Clarke at Magnolia, Mass. Male 2 mm. long, 

 the dark brown abdomen unicolorous. Antennae fuscous yellowish, 

 with fifteen segments, the fifth with a length one fourth greater than 

 its diameter; female with 18 antennal segments. Type Cecid. al901, 



Lasioptera riparia n. sp. was reared April 27, 1908, from an oval 

 or fusiform petiole or tendril gall, 1.5 mm. long, on Vitis hicolor, taken 

 at Westfield, N. Y. Male 1.75 mm. long. Abdomen with the four 

 basal segments mostly yellowish, the mesonotum shining dark brown. 

 Antenna with 20 segments, the 5th with a length slightly greater than 

 its diameter. Type Cecid. al784a. 



Lasioptera dantJionim n. sp. was reared by C. R. Crosby of Ithaca 

 from Danthonia, taken at "White Church, N. Y. Male 1.5 mm. long. 

 Abdomen dark brown, the basal segment white, the second to fourth 

 with submedian white spots. Antenna with 16 segments, the fifth 

 with a length three fourths its diameter. Type Cecid. al925. 



Lasioptera galeopsidis n. sp. was reared in June, 1900, from irreg- 

 ular stem galls on Galeopsis tetrahit, taken by Miss Cora H. Clarke 

 at Boston, Mass. Male 1.5 mm. long. Abdomen dark brown, seg- 

 ments 1 to 5, with submedian white spots. Antenna with 16 segments, 

 the fifth with a length one fourth greater than its diameter. Female 

 2.5 mm. long. Antennae with 23 segments, the fifth with a length 

 three fourths its diameter. Type Cecid. al965. 



Lasioptera virginica n. sp. was reared February 9, 1909, from an 

 irregular stem gall, on marsh St. Johnswort, taken by Miss Cora H. 

 Clarke at Magnolia, IMass. Female 2 mm. long. Abdomen black, 

 the segments with submedian white spots. Antennte with 18 or 19 

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

 Cecid. al915. 



Lasioptera spira'afoUa n. sp. was reared July 16, 1909, from a yel- 

 lowish, brown-spotted, circular blister gall, 3 mm. in diameter, on 

 Spiraa salicifolia leaves, taken by Miss Cora H. Clarke at Magnolia, 

 Mass. INIale .75 mm. long, the body mostly yellowish. Antennoi dark 

 brown, yellowish basally ; 14 segments, the fifth with a length one half 

 greater than its diameter. Type Cecid. al860. 



Lasioptera cassice n. sp. was reared May 6 and June 16, 1883, from 

 irregular stem galls, 5-6 mm. long, on the sensitive plant. Cassia nic- 

 titans, taken by H. K. Morrison at Fort Huachua, Ariz., and placed at 



