KEY TO AMERICAN INSECT GALLS 13^ 



Capparidaceae (Caper family) 

 Cleome serrulala (vStinking clover) 



Claviform or variously enlarged seed pods. Ckll. '13, p. 279 



Itonid. Cecidomyia peritomatis Ckll. 



Crassulaceae 



Clementsia (red orpine) 



Globose, crimson-lake deformations of flower heads. Ckll., Ent. News, 25:466 



Acarid. Eriophyes sp. 



Fig. 130. Spiny witch-hazel gall, H a m a m'e listes spinosus 

 Shim. (After Pergande) 



Saxifragaceae (saxifrage family) 

 Hydrangea arboresrens (wild Hydrangea) 



Bud gall, length i cm. Felt 'i6d, p. 136 



Itonid. Hydrangea bud gall, Asphondylia hydrangeae 



Felt 



Ribes (currant, gooseberry) 



Arrested gooseberry bud. PI. 12, fig. 8. Felt 'iii, p. 347 



Itonid. Gooseberry bud midge, Rhopalomyia gross ula- 



r i a e Felt 

 Red, prematurely ripe currants. Fitch '55, p. 880 



Itonid. Currant midge, Dasyneura grossulariae Fitch 



