142 BIOLOGICAL SURVEY OF 



MicROBREGMA Seidl 



M. EMARGiNATUM (Diift.) (12711). Coi'field flying, June 3-9. 

 Scarce. 



CoELosTETHus LcCoiite 



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

 of oak. Corfield, July 23. 



DORCATOMA Heibst 



D. DRESDENsis Hbst. (12839). From fungi, June 6 (Br.). 



Ptilinijs Geoffroy 



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

 July 1-4 (Br.).^ 



Lyctidae. 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. 



Lyctus Fabrieius 



L. PLANicoLLis LeC. (12940). Found in dead limbs. Bred 

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



Spiiixdidae. The Sphindus Beetles 

 Sphindus Chevrolat 



S. AMERiCANus LcC. ? (12949). One specimen taken but too 

 damaged to be sure of exact determination. Found in 

 decaying wood and fungus. 



CisiDAE. The Minute Tree-fimgiis Beetles 

 Cis Latreille 



C. FusciPEs Mellie (12972). Occurs beneath bark on logs and 

 on fungi. Salisbury Cove, June 25. Not common. 



