THE SHOET-WIXGED SCAVENGEE BEETLES. 387 



6b. Thorax oval, as long or longer tban wide, not or but slightly nar- 

 rowed in front. 

 c. Species bicolored. 



i!. Blut^black ; thdrax and base nf abdomen reddish-yellow. 



745. BiANors. 

 ihl. I'ieeous ; elytra red. nearly smooth. yrEDiiNUs. 



'•'•. Species not bicolored. 



'. Entirely black, elytra bronzed; abdomen distinctly jjunctate. 

 /. Notch of last ventral of male oval. 746. soedidis. 



ff. Notch of last ventral triangular. cephalotes. 



ee. Picecus or fuscous yellow, head black; abdomen sparsely punc- 

 tured beneath. inqcietus. 

 '/'(. Dorsal punctures more than three. 

 (/. Dorsal punctures four. 



7i. Thorax nearly square ; length 5 mm. 747. ventbalis. 



hh. Thorax longer than wide, its sides parallel; elytra black, as long 

 or longer than thorax, nearly smooth at sides and base. 



FAIXACIOSIS. 



gg. Dorsal punctures five; thorax oblong, notably longer than wide. 

 /. Pieeous or brownish, 

 j. Last ventral of male without a notch but with a channel ex- 

 tending the entire length of the se;iment. 74s. pabvls. 

 jj. Notch of last ventral distinct, broad, semicircular. 



749. MICBOPTHALiirs. 



;/. Black, shining; notch of last ventral very feeble and with a long 



triangular smooth space. 750. nigbitclxs. 



ggg. Dorsal punctures seven or eight. 751. iiuLTiPuxcxATis. 



744 (2201). Philonthus ctaxipennis Fab., Ent. Syst, I, 17S5. 525. 



Elongate, robust. Black, shining; elytra nietallic blue; antennae and 

 tarsi pieeous. Head large, quadrate, as wide or wider than thorax, coarse- 

 ly punctured behind the eyes. Thorax oval, slightly narrower in front 

 Elytra slightly wider than thorax, together broader than long, coai-selv and 

 rather densely punctate, sparsely pubescent Abdomen iridescent more 

 coarsely and sparsely punctured than elytra. Length 12-15 mm. 



Throughout the State : frequent. April 27-(Jetiiber 23. Oc- 

 i-urs on fleshy fungi. 



745 (2202). PHU-ONTHts bla>"Dus Grav.. Jlon. Col. Micr., ISOi".. 72. 

 Elongate, slender. Head, eljrtra and apical half of abdomen black. 



shining, often with a bluish tinge; thorax, base of abdomen and legs red- 

 dish-yellow; antennje pieeous. Head subquadrate. sparsely punctured be- 

 hind the eyes. Thorax scarcely wider than head, sides sinuate near base. 

 Elytra slightly wider than thorax, together one-fourth longer than wide, 

 sparsely and finely punctate. Abdomen as wide as el.vtra, very sparsely 

 pimctate. Length 5-5.5 mm. 



Throughout the >^tate; scarce. ^lay 11 -October 31. Occurs in 

 leatherv' fungi on beech and elm stumps. 



