THE MOUNT DESERT REGION 171 



Coelostetius Leconte 



C. notattjs (Say) (12712). Look for them on dead branches 

 of oak. Corfield, July 23. 



Teypopitys Redtenbacher 



T. sericeus (Say) (12717). Bar Harbor, .July. 



Dorcatoma Hcrbst 



D. dresdensis Hbst. (12839). From fungi, June. 



Ptilixus Geoffroy 



P. ruficornis Say. (12864). Destroying woodwork in house, 

 July 1-4 (Br.)'. 



Bostrichidae. The Powder-post Beetles 



The Powder-post Beetles all live in dry dead wood, either 

 beneath the bark of trees, or in burrows; also old dry fungi. 

 "Wood showing the borings and brought to the laboratory to 

 hatch out, will produce results. 



Stephanopachys Waterhouse 



S. stjbstriatus (Payk.) (12908). On a spruce stump op- 

 posite Penikese. Like the others in the family they burrow 

 in dry wood. 



Dinoderts Stephenson 



D. MiNUTUs Fab. (12922). Bred from bamboo flower stakes, 

 (Br.). Nov. 11. 



Lyctidae 



Lyctus Fabricius 



L. plaxicollis Lec. (12940). Found in dead limbs. Bred 

 from hickory handle, May 20 (Br.) ; June 9. 



