454 



FAMILY XI. STAP1IYLINTDJE. 



874 (2663). Boletobius pygm^eus Fab., Spec. Ins., 1781. 339. 

 Resembles anticus. Thorax entirely pale. Elytra with a triangular 



scutellar spot and a larger one near the outer angle black. Thorax at base 

 slightly narrower than elytra, hind angles obtuse, not broadly rounded. 

 Elytra as wide as long, the sutural and marginal punctures very faint. 

 Length 3.5-4 mm. 



Kosciusko and Lawrence counties : rare. June 19-July 29. 



875 (2664). Boletobius trixotatus Erichs., Gen. Spec. Staph., 1840, 279. 

 Color and form of pygmwus. Elytra each with a sutural, discal and 



submarginal row of numerous punctures. Length 3.5-4 mm. 



One species labeled "Ind." in the Webster collection. Ranges 

 from Massachusetts to Michigan and has been recorded from Cin- 

 cinnati. The dark scutellar spot of elytra is often absent. 

 S76 (2666). Boletobils cixctus Gray., Mon. Col. Micr., 1S06, 193. 



Reddish-yellow, shining; head, under surface, a large spot near outer 

 apical angle of elytra and last two segments of abdomen black, shining: 

 antenna? piceous. the apical and four basal joints and the legs dull yellow. 

 Thorax as broad at base as elytra, hind angles broadly rounded. Elytra 

 as broad as long, discal row with three or four punctures, those of the 

 other rows very faint. Abdomen very sparsely punctate. Length 4.5-7 mm. 



Throughout the State; common. March 6-October 6. Occurs 

 on fungi, especially that growing in clumps at base of oak stumps. 



B. qumsitor Horn. 7-10 mm. in length, was described from New 

 York and Illinois and is recorded from Cincinnati. 



877 (2658). Boletobius dimidiatus Erichs.. Gen. Spec. Staph.. 1840, 276. 

 Piceous. shining; antenna? piceous. the basal joints paler: basal half 



and very narrow apical border of elytra dull red : legs dull yellow. Thorax 

 slightly broader than elytra at base: sides broadly curved, hind angles 

 rounded. Elytra together as long as wide, the punctures very faint. Ab- 

 domen sparsely and coarsely punctate, the hind margins of segments paler. 

 Length 4-5 mm. 



Lawrence County; rare. May 11. Taken from fungi. In one 

 specimen the pale portion of elytra is extended along the suture to 

 apex. 



878 ( 2660). Boletobius iXTKVsrs Horn. Trans. Amer. Edt. Soc. VI. 1877. 



115. 



riceous. shining: elytra dull red: thorax either black or dusky red; 

 antenna? dusky, the basal joints pale ; legs dull yellow. Thorax as wide at 

 base as elytra, the hind angles broadly rounded. Elytra together longer 

 than wide: sutural and dorsal rows of punctures distinct, marginal row 

 faint. Abdomen sparsely and coarsely punctate. Length 5-6 mm. 



Marion. Lawrence and Posey counties: rare. April 11-Decem- 

 ber 7. Occurs beneath bark of fungus covered logs. 



