COLEOPTERA OF SOUTHWESTERN PENNSYLVANIA. 363 



Cerophytum pulsabor, one example. 



Perothops mucida, not common. 



Adelocera impressicollis and discoidea, common about old logs, etc.; mnr- 

 morata and obtecta, not rare under hark on trees; avita, six examples, under 

 bark on oak. 



Cardiophorus cardisce, not rare; convexus. common fields and hedges; gagates 

 and conrexiiJiis, not rare, by beating. 



Horistcnotus curiatus, not rare, by beating. 



Cryptohypnus abbreviatus, not rare, by beating. 



Hypnoidus striatulus, two examples under a stone; obHqnafidus, common, 

 April, under stones. 



Oedostethus femoralis, common on willow, June. 



Monocrepidus lividus, common on walnut and hickory; vespertinus, not rare; 

 auritas, not common, under stones; hellun, rare. 



Dicrepidus palmatus, not common here, St. Vincent. 



Elater. — The species are common except mixtiis, rare here and St. Vincent; dis- 

 coideus and vitiosm, of each three examples, also at St. Vincent; sayi, rare; 

 socer, not common, May; militaris, not common, with linteus ; liictuosus, not 

 common ; nigricans, not rare ; riibricns, collaris and zanthomus, not common : 

 apicatus var. phmnicopteriis, occurred at St. Vincent; pusio, not rare, on Ampe- 

 lopsis in May. Most of the species are obtained by beating and on blossoms. 



Drasterius elegans, not rare, under rubbish. 



Megapenthes limbalis, not common, by beating. 



Ludius attenuatus, not rare, under bark ; ahnipfus, five examples. 



Agriotes mancus, rare ; the other species are common. 



Betarmon bigeminatus, common on spruce, etc., June. 



Melanotus. — The species are common, except corficinus, decumanus, angustatus, 

 trapezoideus and castanipes, none of which are abundant; pertinax and gra- 

 dntus are not common. 



Limonius auripilis, not rare ; aiirifer, rare ; griseus is common on weeds on low 

 ground ; inferstitialis, rare ; plebejus and quercinus very common ; confiisus and 

 basillaris, not common; agonus, common on Ambrosia trifida May to June; 

 ornatipennis, one example ; definitus, nimbatus, both rare here at St. Vincent, 

 extending to North Carolina. 



Campylus denticornis, on weeds in wet ground, not rare ; producfus occurred 

 at St. Vincent. 



Athous brightwelli, common on walnut and hickory ; acanthus, common on 

 bushes, etc., on low ground ; var. macidicollis, rare; ciicullatus, less abundant; 

 scapidaris, six examples ; equestris, three examples. 



Leptoschema discalceatum, occurred at St. Vincent. 



Osleodes tenuicollis, not common, by beating. 



Sericosomus viridianus, not rare, on spruce, June ; silaceus abundant on blos- 

 soms, May to July. 



Corymbites cylindriformis, common under stones and in grass; ruflpes ^n(\ 

 tnrsaUs, not common ; pi/rrhos, not rare, on walnut and hickory ; elongaticollis, 

 not rare; sulcicoUis, common in dry rotten stumps; xthiops, not common, by 

 beating Ampelopsis ; hamatus, not common, on oak and maple, June; hiero- 

 glyphicus and inflatus, common ; rotundicollis, five examples by beating Ampe- 

 lopsis. 



TRANS. AM. ENT. SOC. XXII. NOVEMBER. 1895. 



