THE MOUNT DESERT REGION 439 



Older EYMENOPTERA 



Argidae 

 Argk Schrank {Hylotoma Latreille) 



A. clavicornis Fab. Common, July 17-Aug. li). The larva 



feeds on willow. 

 A. macleayi Leach. Bar Harbor; Green Mt. ; X. E. Harbor, 



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



mountain ash, etc. 

 A. pectoralis Leach. Echo Lake; Eden, June 27-July 13. 



The larva feeds on birch. 

 A. scapularis King. Eden, July 15. The larva feeds on 



white birch and elm. 

 A. sp. Eden, July 12. 



Sterictiphora Billberg 



S. ebena Nort. Jordan Pond, June 10. 



S. zabriskei W. & M. Reared ex Portidaca oleracea. Aug. 16 

 (Br.). 



DlPRONIDAE 

 Moxoctemus Dahlbom 



M. melliceps Cresson ? Bar Harbor, July (Br.), about 

 Junipprus com m unis. 



Xeodiprion Rohwer 



N. abbotii Leach. "Mt, Desert, Aug., 1872" (Cora H. 



Clarke). The larva feeds on white pine. 

 X. abietis Harr. X. E. Harbor, Aug. 11 (Minot). The larva 



feeds on spruce, fir and pine. 

 X T . pinus-rigida Xort. Reared from pitch pine, July. 

 N. sp. About Juniperus communis. May 15 (Br.). 

 X T . sp. Bred from red spruce (Pinus rub.ens), Aug. 27 (Br.). 

 X". banksianae Roh. Reared from Pi mis rigida, Oct. 13, '38 



