October, '11] FELT: GALL MIDGE HOSTS 457 



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 secntion Caryomyia glutinosa' O. S. 



Swellings in Husks 

 Irregular swelling in the husks produced by pale reddish larvae . 



Caryomyia nucicola' O. S. 



Cassia (wild sensitive plant) 

 Irregular stem gall, length, .3 cm; diameter, 5 or 6 mm Lnsioptera cassioe Felt. 



Cassava (Manihot) 

 Leaf galls Itonida manihoi Felt. 



Castanea (chestnut) 



Under decaying bark and wood Miastor americana Felt. 



Winnertzia peclinata, n. sp. 



Itonida pugionis n. sp. 



Petiole or terminal bud gall Rhopalcmyia castanece Felt. 



Castanea pumila (Chinquapin) 

 Irregular swelling of bur Cecidomyia chinquapin Beutm. 



Catalpa 

 Reared from dwarfed shoots and pods Itonida catalpoe Comst. 



Cattle ya gigas 

 Reared from roots Clinodiplosis cattleyw Felt. 



Ceanothus 



Loose terminal bud gall, length, 2 cm.; diameter, 1.5 cm. 



Asphondylia ccanothi Felt. 



Celastrus (climbing bittersweet) 



Irregular, cortical gall on root, length, 2.5 cm.; diameter, 1 cm. 



Cecidomyia celasiri Steb. 

 Subcortical stem gall probably identical. 



Celtis (hackberry) 

 Galls on tender twigs, resembling seed capsule of Rumex, length, 4.5 mm. 



Cecidomyia sp. {semenrumicis Patt.) 

 Conical or subglobular, arisijig from a circular, truncate base, diameter, 3.4 mm.; 



on tender twigs Cecidomyia sp. {ovijormis Patt.) 



Hollow, elongate twig swellings, length, 1 .25 to 2.5 cm . . . Cecidomyia sp. {deserta Patt.) 

 A hard, obconic gall on upper side of leaf Phytophaga celtiphyllia Felt. 



Subcorneal, clustered on the under side of the leaves, length, 3 to 5 mm. 



Cecidomyia unguicula iieutni. 



*The reference of this lar\'a to Caryomyia is provisional only. 



