THE MOUNT DESERT REGION 125 



Pachynematus Konow 



P. coRNiGERA Nort. Eclio Lake ; Seal Cove ; Bar Harbor, June 

 20-Aiig. 18. 



Croesus Leach 



C. LATiTARsus Nort, Bar Harbor ; Long Pond ; Narrows, June 

 15-Aug. 13. The larva feeds on birch. 



Trichiocampus Hartig 



T. IRREGULARIS Djar. Echo Lake, June 17-July 17. 



Pteronidea Eohwer 



P. MENDicAS Walsh. S. W. Harbor, Sept. 5 (Alexander). 

 P. siMiLARis Nort. S. W. Harbor, July 11. 

 P. TRICOLOR Marl. Bar Harbor, July 27. 



PONTANIA Costa 



P. POMUM Walsh. Willow apple gall. Bar Harbor ; Salisbury 



Cove (Sanford). The larvae form galls on the leaves of 



willow. 

 P. pisuM Walsh. S. W. Harbor, July 11. The larvae form 



subsphaerical galls on the under side of the leaves of 



willow. 

 P. sp. S. W. Harbor, July 11. 



Cryptocampus Hartig (Euura Newman) 



C. OVUM Walsh. Willow egg gall. Echo Lake, July 12. The 

 larvae form egg-shaped galls on the twigs of willow. 



TOMOSTETHUS KoilOW 



T. BARDus Say. Bar Harbor, June 7. The larva feeds on ash. 



Blennocampa Hartig 



B. sp. Bar Harbor, July 24. 



Argidae 



Arge Schrauk (Hylotoma Latreille) 



A. CLAVicoRNis Fab. Common, July 17-Aug. 19. The larva 



feeds on willow. 

 A. MACLEAYi Leach. Bar Harbor; Green Mt.; N. E. Harbor, 



June 13-Aug. 23. The larva feeds on wild cherry, birch, 



mountain ash, etc. 



L i § R A R Y -oj 



v^Z 



