974 i<'.\ ^r FLY l. — scat? a r..T:i d.e. 



densely niid imiderately coarsely punctate; front more coarsely punctate. 

 Thorax widest at middle. ol)tnse]y angulate, distinctly narrowed at l»ase; 

 mari^in crenato, sparsely ciliate, punctured as descrilK'd in k»'y. lOlytral 

 punctures tiuer than those of thorax, very dense, rugulose near the suture; 

 submarginal costa distinct on apical half. Hair of metasternuni lonj; and 

 dense, male, very short, female. Male with antenna! club a little longer 

 than stem : fifth ventral deeply and transversely depressed behind the mid- 

 dk\ with an (ihli(iue elevation each side of the concavity; last ventral con- 

 cave. suKKith. the apex broadly and triangularly emarginate. the notch tilled 

 by a nieuilir.-ine. Length 1S-1>2 mm. ( I'l. IV. figs. .^1)7, :{!»!); iil. V. hg. 404. 

 hirva.) 



Throughout the State; frequent. ]\Iay T.i-Octoher 15. Siiialh^r 

 and usnally pahn- than the next s])eeips. 



lS2r. (10.2.52). Lachxosterna horxti Smith. Entom. Amer.. V. ISSO. !).">. 



Oblong-oval, robust, iiol broader behind. Deei) blackish-brown or pic- 

 eous, shining. Clypeus rather deeplj' emarginate. mcn-e acutely in female, 

 its surface coarsely and densely punctured. Thorax distinctly narrower in 

 frcmt. the sides obtusel.v angulate. widest just behind the middle, thence nar- 

 rowed to base, margin feebl.v crenate, surface punctured as described in key. 

 Elytral punctures Hner, much more dense, somewhat rugulose, the costne 

 narrow but distinct. Male with antennal club slightly longer than funicle; 

 last ventral with a quadrate punctured impression, the hind margin with a 

 small, deep notch; fixed si)ur short, less than half the length of outer. 

 Length 11)-21 mm. (I'l. IV, tig. .305.) 



Vigo, Lawrence and Ch-awford counties; scarce. May 1-Jnne 

 1!). A species of soiitliei-n range. Near Wyandotte Cave it was 

 locally common on May IT, lieneatlt logs on wooded slopes. Known 

 from Tennessee, Ohio and Vii'ginia. 



Group D. 



Small or medinm-si/cd species liaving the antenna^ nine-jointed; 

 clyix'us emarginate; inner spnr of hind tihia^ of male fixed and at 

 l(':ist half as long as the outer one. Thi-ee species have been taken 

 in Indiana, wliile two others perhaps occur. 



KEY TO INDIAN.'V SPECn';S OF GROUP D. 



(I. P.od.v with erect hairs rather sparsely placed; form moderatel.v elongate. 



the sides parallel. 



/). Inner spur of hind tiliia' of male distinctly shorter and stouter than 



the outer one. hirsuta. 



bh. Inner spur of hind tiliia' of male fully as long and scarcely stronger 



than llic outer: elytra with distinct lines of longer hair. 



LONOISPINA. 



(Id. r.ody al)ove entii'cly glabrous, with tlie exception of erect hairs on the 

 head. 



