KEY TO AMERICAN INSECT GALLS 



31 



Reared from above gall, ? inquiline. Walsh '64, p. 629 



Itonid. Dasyneura annulipes Walsh 

 Reared from above gall, ? inquiline. Walsh '64, p. 628 



Itonid. Dasyneura atricornis Walsh 

 Reared from above gall, ? inquiline. Walsh '64, p. 626 



Itonid. Cecidomyia atr ocularis Walsh 

 Reared from above gall, ? inquiline. Felt 'i5e, p. 179 



Itonid. Dasyneura albovittata Walsh 

 Reared from above gall, predaceous. Walsh '64, p. 631 



Itonid. Lestodiplosis decemmaculata Walsh 

 Spongy or clustered, rosette gall. Fig. 28. Felt 'oSe, p. 371 



Itonid. Phytophaga walshii Felt 

 Large, close, pine, conelike gall resembling a slender R. strobiloides 

 gall. Felt '156, p. 90 



Itonid. R h a b d o p h a g a p e r s i m i 1 i s Felt 



Fig. 31. Willow blister gall, O 1 i g o t r o - 

 phus salicifolius Pelt, showing upper 

 and lower surface of leaf. (Original) 



Large, open, rosette gall, diameter i to 2 cm. PL 11, fig. 7- Felt '156, 



Itonid. Willow-cabbage gall, Rhabdophaga brassicoides 



Walsh 



Reared from above gall, ? inquiline. Walsh '64, p. 630 



Itonid. Lestodiplosis septenimaculata Walsh 

 Reared from above gall, ? inquiline. Ckll. '90, p. 280 



Itonid. Rhopalomyia frater Ckll. 

 Reared from above gall, ? inquiline. Walsh '64, p. 623 



Itonid. Dasyneura orbitalis Walsh 

 Large, loose, rosette gall, length i to 2 cm. Felt '156, p. in 



Itonid. Rhabdophaga rhodoides Walsh 

 Oval, small, rosette gall, resembling a small R. brassicoides gall. Felt 

 'i5e, p. 103 



Itonid. vSmall willow-cabbage gall, Rhabdophaga normaniana 



Felt 



