THE MOUNT DESERT REGION" 387 



Pachynematus Konow 



P. ALASKENSis Rohwer. Bar Harbor, July, on spruce (Br.). 

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

 June 20-Aug. 18. 



PiKONEMA Ross 



P, DiMMocKii Cresson. Larvae on spruce. 



Pristiphora Latreille 



P. BiviTTATA Nort. S. W. Harbor, July 13. The larva feeds 



on Spiraea. 

 P. GENicuLATA Hartig. Abundant on mountain ash, June to 



August. 

 P. MURTFELDTiAE Marl. Echo Lake; S. "VV. Harbor, June 21- 



July 10. 

 P. sp. near pallicoxa Roh. S. W. Harbor, July 29. 



Lygaeonematus Konow 



L. ERicKSONii Hartig. Raised by Salman from larvae Aug. 24 

 and of which some were parasitized by {Achaetoneura 

 tenthredinidarum Town). Bred from larch Aug. 20-Sept. 

 (Br.). 



DiPHADNUS Hartig 



D. APPENDicuLATus Hartig. Bar Harbor, August 23 (Br.). 



EuuRA Newman 



E. OVUM Walsh. Willow Egg-gall. Echo Lake, July 12. The 

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



Braconidae 



CoELOiDES Wesmael 



C. sp. Seal Cove Brook, Sept. 8. 



Atanycolus Foerster 



A. sp. Bred from Saperda concolor gall, June 18 (Br.). 



