o82 FAMILY XT. STAPH YLTNIII.T;. 



Hiiely but not densely punctured, sparsely clothed with yellowish liairs. 

 Abdomen slightly narrower than elytra, more finely and densely punctate. 

 Male with last ventral acutely and deeply notched. Length 4.5-5.5 mm. 



Tlu'oughoiit the State; frequent. April 8-August 15. Occurs 

 on funtri and beneath dead leaves and logs. The abdominal seg- 

 ments have their apical margins always paler. 



Gropp B. 



Til this group llic front tnryi fire dihilcd jiiid there are four 

 pniictures in eaeli of the dorsal row.s of thorax. The males are 

 readily separated by the notch of the last ventral segment. 



KEY TO INDIANA SPECIES OF GROUP B. 



a. Front tarsi of males very broadly dilated, sometimes plate-like. 



b. Thorax oval, distinctly narrowed in front; elytra black or piceous, 

 coarsely not closely punctured ; length 6.5-8 mm. 732. umbbinus. 

 hi). Thorax quadrangular, very little narrowed in front. 



c. Elyti'a clear red. very sparsely and rather fluely punctate. 



733. PALLIATUS. 



cc. Elytra black or piceous, at least moderately punctate. 



d. Black ; last ventral of male with a rather deep, lengthwise im- 

 pression extending nearly to its base. 734. quadricoixis. 

 dd. Brownish or piceous; last ventral of male without a lengthwise 

 impression ; legs and basal joints of antennae pale. 



735. DEBILIS. 



(III. P'ront tarsi of males moderately dilated, sometimes very little wider 

 than in the female. 

 e. Larger, 5-7.5 mm. ; antenuie slender, the outer joints longer than 

 wide. 



f. Elytra ratlier densely imnctured; abdomen very distinctly punc- 



tured. VARIANS. 



ff. Elytra sparsely punctured, slightly bronzed; abdomen very indis- 

 tinctly punctured. 736. longicornis. 

 ee. Smaller, not over 5 mm. ; anteniue slender, outer joints (juadrate. 



g. Thorax as wide as long; hindmost dorsal puncture distant from 



the third. discoideus. 



()!/. Thorax longer than wide; punctures equidistant. thermarum. 



7.32 (2160). Phii^ntiius umbrinvs Grav., Mon. Col. Micr., 1806, 169. 



Moderately elongate, rather robust. Body black, strongly shining ; legs 

 piceous or dull brownish-yellow. Antenme reaching middle of thorax, joints 

 4-10 gradually shorter and wider than long. Head subquadrate, front with 

 tAvo i)airs of punctures above each eye; hind angles sparsely punctate. 

 Thorax convex, slightly longer than wide, the hindmost puncture somewhat 

 distant from the third. Elyti-a slightly wider than thorax, sparsely clothed 

 with bro\vnish hairs. Abdomen iridescent, sparsely and rather coarsely 

 punctate. Last ventral segment of male deeidy notched, the margins of 

 (he notch grooved. Length 6.5-8 mm. 



Vigo County ; rare. July 1 . Tak(Mi from decaying fleshy fungi. 



