458 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 4 



Rosette-shaped gall, resembling the seed capsule of Hibiscus, diameter, 2 to 3 mm. 



on under side of leaf Cecidomyia sp. (capsularis Patt.) 



Yellowish, disk-shaped gall with acute apical ccne on leaf. . .Cecidomyia liluus Walsh. 

 Leaf gall lesembling that of Pachij imjlla cellidis-pubescens, diameter, 3.5 to 4 mm. 



Cecidomyia sp. (pubescens Patt.) 

 Stout, conical, arising from a circular base, yellowish, diameter, 2.8 mm. 



Cecidcmyia sp. {spiniformis Patt.) 



Cephalanthus (button bush) 

 Twig gall Rhabdophaga cephalanthi Felt. 



Chrysopsis (golden asttr) 

 Woolly, polythalamous bud gall, diameter, 1.5 cm. . .Rhopalomyia chrysopsidis Loew. 



CicuTA (water hemlock) 

 White larva, probably on leaves Cecidomyia sp. 



CiRSiUM (Canada thistle) 

 Reared from flower heads Dasyneura gibsoni n. sp. 



ClTHAREXYLtTM 



Reared from flovJexs Asphondylia pnllersoni Felt. 



Clematis (virgin's bower) 

 'Ovate, reddish brown, axillary gall, diameter, 4 mm . . Neolanioptera clematidis Felt. 



Iregular, subglobular bud gall, diameter, 1 cm Dasyneura clemalidis Felt. 



Irregular, subglobular bud gall, diameter, 1 cm Contarinia clematidis Felt. 



Enlarged, reddened flower buds Prodiplosis floricola Felt. 



Unopened, apparently normal flowers Lestodiplosis clemalifloroe Felt. 



Clerodendron aculeatum (wild coffee) 

 P^lower bud gall Asphondylid alieituatata Felt. 



CoFFEA (Liberean coffee tree) 

 Reared from fniits Hyperdiplosis coffea- Felt. 



CoLLiNsoNiA (horse balm) 

 Subglobular, pubescent leaf gall, length, 4 to 7 mm. 



Cecidom,yia collinsoniae Beutm. 

 Narrow midrib or vein swelling Cecidomyia collinsonifolia Beutm. 



Convolvulus sepium (hedge bindweed) 

 Pusiform stem gall, monothalamous, length, 1.5 cm Lasioplera convolvuli P'elt. 



CoRNx^s (dogwood) 

 Irregular, subcortical gall, length, 1 to 2 cm.; on C. stolonifera 



Neolasioptera cornicola Beutm. 

 Clavate twig gall, length, 1 to 2 cm.; on C. florida. . . .Lasioplera clavula Beutm. 

 Yellowish, purple margined, blister leaf gall, diameter, 2 to 3 mm. ; on C. slolonifera, 



Lasioplera corni Felt. 

 Tubular, curved, green gall, length, 8 mm.; on leaf of C. amomum. 



Cecidomyia sp. {tuba Steb.) 



