.'J'JL' BIOLOGICAL BUBVBTf <>F 



C. laricella Hbii. (9098). Bred June 19-July 30 (Br.). 

 C. cinebella Cham. (9103). Bred from Populus tremuloides 



and white birch, June 4-July 5 (Hr.). 

 C. polemoniella Braun (9126)? July 29-Ang. 14 (Br.). 

 C. sp. near heinbichella McD. & duplicis Braun. Bar 



Harbor, July 29-Aug. 28 (Br.). 

 C. sp. Bar Harbor, Aug. 5 (Br.). 



Gracillariidae 



Lithocolletis Hiibner 



L. ostryaefoliella Clem. (9178). Mt. Desert, Aug. 15 (Br.). 

 L. martiella Braun (9185). Bar Harbor, July 3 -Aug. 9 



(Br.). Mines birch. 

 L. diversella Braun (9188). Bar Harbor. Bred from un- 

 derside mines on Gaylussacia baccata in Oct. (Br.). 

 L. scuddebella F. & B. (9195). Bar Harbor. Bred from 



mines on willow in Oct. (Br.). 

 L. sp. near ixcaxella Wlshm. Bred June 3—16 (Br.). 



Blotch-miner on alder. 

 L. sp. near propinquinella Braun. Bar Harbor. Mines 



common on beech in late summer; emerges May-June (Br.). 

 L. basistrigella Clem. (9214). Bar Harbor. Mines in Oct. 



on oak ; moths in the spring. 

 L. ostensackenella Fitch (9218). Blotch-miner of Bolivia. 



Bred June 28-July (Br.). 

 L. salicifoliella Clem. (9225). Blotch-miner of willow. 



Bar Harbor, Sept. 12 (Br.). 

 L. tbemuloidiella Braun (9226). Bar Harbor, July 28-Aug. 



20 (Br.). Bred from Papains tremuloides. 

 L. fletchebella Braun (9252)? Bar Harbor. Bred from 



mines in oak (Br.). 

 L. arcuella Braun (9253). Blotch-miner of oak. Bred 



June 1-14 (Br.). 

 L. betuliyoka Wlshm. (9254). Bar Harbor, June-July (Br.). 



A blotch-miner in white birch leaves. 



