KEY TO AMERICAN INSECT GALLS I3I 



Capparidaceae (Caper family) 



Cleome serrulata (Stinking clover) 

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



Itonid. Cecidomyia peritomatis Ckll. 



Crassulaceae 



Clemenlsia (red orpine) 

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



Acarid. E r i o p h y e s sp. 



Fig. 130. Spiny witch-hazel gall, Hamamelistes 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 grossula- 



r i a e Felt 

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



Itonid. Currant midge, Dasyneura grossulariae Fitch 



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