OLEOPTERA OF SOUTHWESTERN PENNSYLVANIA. 359 



BNDOMYCHID^. 



SymDiotes ulKei and minor, in humous wood, under bark, and by sweeping, 



both scarce. 

 Mycetsea hirta, not common. 

 Rhanis unicolor, in old wood, common. 

 Phymaphora pulchella, in wood and bark, less common. 

 Lycoperdina ferruginea, breeds in puff balls on logs. 

 Mycetina testacea, St. Vincent. 



EROTYLID^. 



Lang-uria bicolor and lecontei are not common. 

 PlcBosoma punctatum, under bark on trees, May. 

 Dacne 4-maculata, under bark, etc., not rare. 

 Meg-alodacne fasciata, rather rare. 

 Ischyrus 4-punctatus, in boletus, not common. 

 Micotretus sang-uinipennis and pulcbra, not rare. 



Tritoma mimetica and angularis and the black variety of hameralis are not 

 common, the other species are abundant, all in mushrooms. 



COLYDIID^. 



Synchita fulig'inosa, under bark, March ; parvula, rare. 

 Cicones marginalis, rare, under bark. 

 Ditoma and coxelus, not common, under bark. 

 Aulonium parallelopipedum, not rare. 

 Colydium lineola, not common, bores in trees. 

 Penthelispa hsematodes, four examples ; reflexa, St. Vincent. 

 Pycnomerus sulcicollis, St. Vincent. 

 Bothrideres geminatus, not common, under bark. 



Mychocerus depressus, found once in numbers on small white mould or 

 fungus under bark ; resembles a Histeride. 



RHYSODID.E. 



Rhysodes exaratus, under bark, not common. 

 Clinidium sculptile, breeds in rotting wood. 



CUCUJID^. 



Silvanus surinamensis, common in stones ; the other species are common under 



bark, udvenn likewise occurring in merchandise. 

 Nausibius clavicornis, not common, in houses or under bark. 

 Pediacus depressus, under bark, not common. 

 Cucujus clavipes, under bark of many species of trees. 

 LsemophlcBus biguttatus, fasciatus and testaceus, common under the 



epiderm of bark, etc. ; adnstiis rare under bark ; couvexuliis and rotundicollis, 



rare, under leaves. 

 Dendrophagus cygnsei, under bark in mountainous places, rare. 

 Brontes dubius, common : debilis, rare. 



TRANS. AM. ENT. SOC. XXII. OCTOBER, 1895. 



