THE MOUNT DESERT REGION 125 



PSEPHENIDAE 

 PSEPHENUS Haldeman 



P. HERRiCKi DeKay (9586). But one specimen taken, July 12, 

 1935 at New Mill Pond outlet creeping- over wet stones as 

 is its custom. One of the four species that represent the 

 genus in this country. 



Helmidae 



One of course goes to the brooks for these, and their rela- 

 tives, the Dryopidae. For the best method of collecting, see 

 Dr. Musgrave in Canadian Entomologist, Vol. LXVII, No. 3, 

 March, 1935. 



Stenelmis Dufour 



S. CRENATA (Say) (9609). The only one of the family that is 

 taken generally. Duck Brook; Witches Hole Brook; Break- 

 neck Brook, and outlet of New Mill Pond, July 7-Aug. 24. 



LiMNlus Erichson 



L. TARDELLus Fall. But ouo specimen taken in Witches Hole 

 Brook, July 12, '35. I am using the old name. It is now 

 (Heterlimnius (Limnius) tardelhis). 



Maorontchus Miiller 



M. GLABRATus (Say) (9640). But two specimens taken at New 

 Mill Pond outlet, July 20, '35. 



Dascyllidae. The Soft-bodies Plant Beetles 



Beating trees and bushes and sweeping scrub is the method 

 for this family, 



EunYPOGOisr Motschulsky 



E. NIGER (Melsh.) (9659). Bar Harbor, June 23 (Br.) ; Eden, 

 July 8. Said to frequent oak. 



