THK MOUNT DESERT REGION 123 



P. brachyderus Lec. (2967). From an ant nest in stump, 



Sept. 28. 

 P. obliquus Fall. In old log with red rot (Br.), Sept. 23. 

 P. grascilicorxis Fall. In carpenter ant nest in live spruce, 



May 1 (Br.). 



Hydxobius Schmidt 



H. sp. Station F231, Oct. 8. 



Leiodes Latreille 



L. globosa (Lee.) (3021). Bar Harbor. Aug. 11. 



Agathidium Illinger 



A. oxiscoides Beauv. (3029). Witches Hole Brook under 

 bark of wet maple log, Sept. 1. Lives under the bark of logs 

 and trees showing fungus growth especially damp ones. 



A. exiguum Melsh. (3030). Reared from poplar log from 

 Newport Meadow, June 19 ; under bark on wet oak Jordan 

 Mt. summit, Sept. 3. 



Scydmaenidae. The Ant-like Stone Beetles 



Search for them in wet places under stones and bark and in 

 ants' nests. They have much the same habits as Pselapids. 



Eucoxxus Thomson 



E. BicoiiOR (Lec.) (3063). Mt. Desert, found all summer. 



Coxkophrox Casey 



C. sp. Record of capture lost. 



Orthoperidae (Corylophidae) 

 The Fringe-winged Fungus Beetles 



Groxevus Casev 



G. TRrxcATus (Lec.) (3236). Pretty Marsh Landing under 

 stone (Br.). Sifting old wood is said to be good collecting. 



