22 NEW YORK STATE MUSEUM 



Gramineae (grasses) 

 Reared from grass. Felt 'iij, p. 461 



Itonid. Neolasioptera squamosa Felt 



Triticum. (wheat) 

 Reared from pinkish larvae on roots (C. N. Ainslie) 



Itonid. Lestremia sp. 

 Inhabiting stems. Fig. 16. Howard '95, p. 9 



Hym. Wheat joint worm, Isosoma grande Ril. 

 Deformed leaf sheathes. PI. 4, fig. 6. Doane '16, p. 398 



Hym. Wheat-sheath joint worm, Isosoma vaginicolum 



Doane 

 Collected on wheat. Howard '95, p. 15 



Hym. Wheat joint worm, Isosoma websteri How. 

 Stems bored and discolored. Comst. '90, p. 127 



Hym. Wheat stem sawfiy, C e p h u s p y g m a e u s Linn. 

 Infesting stems at the uppermost node. Coq. '98, p. 74 



Dipt. Wheat stem maggot, Oscinis carbonaria Lw. 

 Boring wheat stems. Webst. & Reeves '10 



Hym. Western grass-stem sawfiy, Cephus oc identalis 



Ril 8c Marl. 

 Under the leal" sheath. Fig. 17. Felt '02, p. 705 



Itonid. Hessian fly, Phytophaga destructor Say 

 Probably the same as the preceding 



Itonid. Cecidomyia culmicola Morr. 

 Associated with the above. Fitch '61, p. 831 



Itonid. Cecidomyia i n i m i c a Fitch 

 Associated with th above. Fitch '46, p. 285 



Itonid. Lestodiplosis gram in is Fitch 

 Under the leaf sheath. Coq. '98, p. 70. 



Dipt. Chlorops proxima Say 

 Reared from wheat heads. Felt 'i2g, p. 289 



Itonid. Wheat midge, Itonida tritici Felt 

 Reared from wheat heads. Felt 'i2g, p. 287 



Itonid. European wheat midge, Thecodiplosis mosellana 



Gehin 

 Reared from wheat heads. Felt 'i2g, p. 288 



Itonid. Prodi plosis fitch ii Felt 



Eriocoma ciispidata 



Inhabiting grass stalks. Howard '95, p. 10 



Hym. Grass joint worm, Isosoma californicum How. 



Tripsacutn dactyloides (gama or sesame grass) 



Larvae between leaf blades. Felt 'loa, p. 10 



Itonid. Lasioptera tripsaci Felt 



Sorghum saccharatum (Sorghum) 



Reared from seeds. Dean '10, p. 39 



Itonid. Sorghum midge, Contarinia sorghicola Coq. 



