August, '10] FELT: GALL MIDGES 351 



Thin-walled, probably similar to the above. 



Caryomyia arcuaria Felt. 

 Thin-walled without the nipple of Caryomyia mryce, with a yel- 

 owish pubescence, diameter 2 to 4 mm. . . Caryomia similis Felt. 

 Thick-walled, yellowish green or brown, diameter 4 to 5 mm. 



Caryomyia antennaia Felt. 

 Thin-walled with a false chamber at the apex, diameter 2 to 3 mm. 



Caryomyia inanis Felt. 

 Hairy. 



Thick-walled, brown or reddish brown, hairs rather short, curly, 



diameter 6 to 7 mm Caryomyia persicoides Beutm. 



Similar to the above and other Caryomyia galls,^ probably in- 



quiline Clinodiplosis caryce Felt. 



Thin-walled, rust red, hairs long, straight, diameter 2 to 4 mm. 



Caryomyia holotricUa 0. S. 

 Gall similar to the above, the midge probably inquiline. 



Mycodiplosis holotricha Felt. 

 Thin-walled, long haired, melon-shaped, diameter 2 to 3 mm. 



Caryomyia thompsoni Felt. 

 Midrib gall. 



A rounded, irregular, pale yellowish, hard swelling 12 mm. long. 



Caryomyia cynipsea 0. S. 

 Forming no gall. 



An irregular, yellowish brown margined elevation, diameter 3 mm. 

 Larva attached by a viscid secretion. .Caryomyia- glutinosa 0; S. 



Swellings in Husks 

 Irregular swelling in the husks produced by pale reddish larvaj. 



Caryomyia- nucicola 0. S. 



Quercus (Oak) 



Fruit 



Reared from larvfe found between the seed coats of an acorn. Fe- 

 male, length 1 mm., abdomen yellowish brown; antennal segments 

 14, the fifth with a length about 2% times its diameter. 



Dasyneitra glandis Felt. 



Flower Galls 

 Reared from undescribed galls on blossoms of oak. Female, length 

 1.5 mm., abdomen reddish brown, the basal segment white, the 



^This species was apparently reared from the gall of Caryomyia inanis 

 and that of C. persicoides. 



• The reference of this larva to Caryomyia is provisional only. 



