THE MOUNT DESERT REGION 20") 



Acoptus Leconte 



A. suturalis Lec. (17726). It is reported to live in the dead 

 wood of beech trees. S. W. Harbor, July 11, in dead beech. 



Auleutes Dietz 



A. tenuipes (Lec.) (17744). Eden, July If). Said to breed 



in the buds of the primrose family. 

 A. nebulosus (Lec.) (17753). Sweeping vegetation near 



wet places. S. W. Harbor; Salisbury Cove, July 13-15. 



Ceutorhynchus Gerrnar 



C. marginatus (Payk.) (17767). Taken from dead leaves in 

 Fawn Pond, May 30. Said to frequent lettuce and dande- 

 lion. Scarce. 



C. cyanipennis Germ. (17783). Found on wild cruciferous 

 plants. Bar Harbor, July 19. Sweeping wild mustard 

 {Brassica sp.) at the Nurseries, July 18. Some specimens 

 in U.S.N.M. 



C. septentrionalrs Gyll. (17817). Taken on " hedge mus- 

 tard" (Sisymbrium officinale) Bar Harbor, July 19. Scarce. 



Pelenomus Thomson 



P. sulcicollis (Fahr.) (17828). Frequents smartweed (Poly- 

 gonium) from which it was swept. N. E. Harbor, July 26. 

 Not common. 



Rhinoncus Sehonherr 



R. pyrrhopus Boh. (17842). Occurs on different species of 

 dock {Rumex). Bar Harbor, July 19-24. 



Conotrachelus Schonherr 



C. nenuphar (Hbst.) (17851). Known as the Plum Cur- 

 culio. Breeds in plum, cherry, and the like. Reared from 

 cherry ' * black-knot. ' ' Common. 



C. posticatus Boh. (17877). Corfield at melon bait in Oct. 

 Station F398 in acorns in damp ground. 



