436 FAMILY XI. — STAl'llYLINlD.i:. 



well as that of thorax, densely and stripisely imiHtate. Thorax Ihree- 

 tifths as wide as liead. median smooth line narrow. Klytra one-third wider 

 hut not longer Ihan Ihorax. Ahdomiu at base as wide as elytra. Fifth 

 ventral of male with two small tubercles on hind margin. Length o.7-4 mm. 



Kosciusko County; rare. June 25. Sifted from vegetable 

 debris at edge of tainaraelc swani]>. A meniber of the boreal fauna. 



S. iristis i\Ielsh.. 5.5-7 nun. in length, has been taken near Cin- 

 ciiniati and ranges from l*enns\ivania to Arizoiui. It doubtless oc- 

 curs in southern Indiana. 



LIV. .AlEdASTiLicms Casey. 1SS9. (Or., "large + style.") 



This genus was erected by Casey upon a very stout form with 

 a small oi-bicular head, having the body, especially the margins, 

 thickly clothed with short, stiff bristles. 



.s;r> (9C50). Mi:(;astilicl's formicarius Casey, Eutoiu. Amer., V, 1SS9, ISM. 

 Dark reddish-brown, oiiaque; head and abdomen piceous. Head nearly 

 circular, not punctured l)ut coarsely alutaceous; neck exceedingly small; 

 antenuje reaching base of thorax, stout, the joints closely united. Thorax 

 slightly longer than wide, widest one-third from apex, the sides thence 

 rai)idly converging to apex, nearly straight to base; disk coarsely alu- 

 taceous. the median line smoother. Elytra three-fourths wider and one- 

 third longer than thorax, finely, spar.s-ely and roughly punctate. Abdomen 

 short and broad, strongly margined, less than one-half longer than elytra, 

 finely and densely punctate. r>engtli 5 mm. 



Putnam and Spencer counties; rare. April i)-.]une 13. Occurs 

 in the large cone-shaped nests of ants, especially those of Formica 

 exsccloidcs. 



L\'. !;I';it()(;en[1'S Casey. 1905. 



.Minute i'c(ldish-l)rown species having the eyes very small; la- 

 hriim with four teeth; atitennte extremely short, not longer than 

 head; neck about one-lifth as wide as head; thorax obliquely nar- 

 rowed in front. Two species occur iu the Eastern United States, 

 one of which has been taken in Tudiana. 



S:!(; t'.KI.jT). Lkptogkjs'hs uuevkorms Casey. Trans. Acad. Sci. St. I.ouis. 

 XV, 1005. 247. 

 Slender. subi)arallel. feelily c(tnvex. I'ale reddish-brown, closely, coarsely 

 and nigosely punctate; elytra sumewliat darker. Head longer than wide, 

 its sides parallel. Tiioi-.ix Ihree-foui-tlis the width of head, aliout as long 

 as wide, base .twice as wide as apex, medi.in line feebly carinate Elytra 

 together as long as wide, one-third wider ;uid a foin-th longer than thorax. 

 Abdomen as wide as elytra. Length 1.7 mm. 



