28 



NEW YORK STATE MUSEUM 



Maianthemum 



Leaf blister gall, brown, diameter 6 mm. 



Itonid. Cecidomyia sp. 

 Fusiform, monothalamous root gall, length 7 mm, diameter 1.5 mm. Fig. 23. 

 Felt'i5h, p. 405 



Itonid. Dasyneura torontoensis Felt 



Polygonatum (Solomon's seal) 

 Leaf blister gall, diameter 4 mm. • Itonid. Cecidomyia sp. 



Sniilax (green brier) 



Reared from oval blisterlike leaf spots. PL 7, fig. 7. Felt 'o8e, p. 334 



Itonid. Smilax blister, Camptoneuromyia rubifolia 



Felt 

 Leaf blister gall, diameter 4 mm, S. herbacea 



Itonid. Cecidomyia sp_ 



Fig. 23. Dasy- 

 neura toronto- 

 e n s i s Felt. 



(Original) 



Fig. 24. Cecid- 

 omyia sp. 

 Stem gall, 31436. 

 (Original) 



Fig. 25. Orchid Isosoma. 

 Isosom a orchide- 

 a r u m Westw. Infested 

 pseudobulbs. (After 



Forbes) 



Young leaves rolled longitudinally. Felt 'i5e, p. 147 



Itonid. Smilax leaf midge, Dasyneura smilacifolia 



Felt 

 Irregularly rounded, abrupt, polythalamous, green stem swellings, diameter 16 

 mm. Fig. 145, 6. Biutm. '09, p. 143 



Cynipid. Smilax stem gall, Diastrophus smilacis Ashm. 



Dloscoreaceae (yam) 

 Dioscorea 

 Irregular, warty stem gall. Fig. 24. Itonid. Cecidomyia sp. 



Irida'eae (Iris family) 

 Iris (fleur-de-lis) 

 Oval, green lea*" gall, length 12 to 18 mm, diameter 12 mm. PL 4, fig. 2. 

 Glaus. '18, p. 9 



Dipt. Iris leaf gall, Agromyza laterella Zett. 



