468 FA JULY XI. — STAPH YLlNID.Ii;. 



««. Thorax very finely strigose, quite oiinque. 



.(/. Dcrsal segments of nbitomen densely punctate; front tibiae obliquely 



emarginate on the outer side; length 1.7 mm. tetracaeinatu.s. 



gg. Dorsal segments smooth ; front tibire slender, truncate at tip ; grooves 



of thorax feeble; length 1.5-1.8 mm. 907. exiguus. 



902 (2749). OxYTELUs sculptus Gr.iv., Mon. Col. Micr., 1806, 191. 



Elongate, subdepressed. Piceous ; legs and base of antemise dull yel- 

 low. Head small, narrower than thorax, finelj' and densely punctate and 

 with a slight median groove on vertex. Thorax elliptical, angles all rounded ; 

 disk rather closel.v punctured and with three entire grooves, the sides some- 

 what concave. Elytra slightly wider and one-half longer than thorax, 

 rather coarsely and roughly punctate. Abdomen very finely and densely 

 punctate. Seventh ventral of male with two narrow, deep notches, the 

 median lobe broad, truncate. Length 3.5-4 mm. 



Jlarion County; scarce. April 14. 



0. rugosus Eriehs., occurs in Canada, JFassachusetts and Penn- 

 sylvania, and probably in northern Indiana. 



903 (2752). OxYTELUS PENNSYLVAKicrs Er., Gen. Spec. Staph., 1840. 792. 

 Elongate, depressed. Dark reddish-brown to piceous, shining; elytra 



dull clay yellow ; legs and basal joints of antenna^ paler. Head slightly 

 narrower than thorax, finely and rather closely punctate, the vertex rugose ; 

 frontal margin broadly curved and elevated. Thorax three-fourths wider 

 than long, sides rounded into base; disk finely and rather sparsely punc- 

 tate, the median groove distinct, the two outer ones faint. Elytra slightly 

 wider and one-third longer than thorax, finely, sparsely and rugosely punc- 

 tate. Abdomen at base narrower than elytra, almost smooth. Male with 

 two slight tubercles on hind margin of seventh ventral and head wider and 

 more quadrate behind the eyes than in female. Length 3.5-4.5 mm. 



jMarshall, Putnam and Clark counties; scarce. April 17- 

 June 24. 



004 (27.")n). OxYTELUs INSIGNITUS Grav., Mon. Col. Jlicr., ISOC. ISS. 



Elongate, subdepressed. Black or piceous, shining; thorax dark red- 

 dish-brown ; elytra and base of antenn.Tj dull yellow ; legs paler. Head of 

 male wider than thorax, quadrate, nearly smooth, strigose each side behind 

 the eyes; of female, not as wide as thorax, rovmded behind the e.ves. sparse- 

 ly and finely punctate. Thorax truncate at apex, front angles almost rect- 

 angular, sides rounded into base; disk rather coarsely and sparsely punc- 

 tate, with three deep grooves, its sides concave. Elytra slightly wider and 

 distinctly longer than thorax, finely and rather closely punctate, and finely 

 longitudinally rugose. Abdomen minutely granulate, not punctate. Length 

 2.5-.S mm. 



Throughout the State; fref|uent. January 5-October 4. Oc- 

 curs in fungi, beneath liark and dead leaves. The mandibles of the 

 male ai'c very long, .slender and scythe-shaped. 



