c- 



•>-4 FAMCLY X. — rSELAPHID^. 



Throughout the State; frequent. April 9-Xovember 28. 

 c-urs in nests of rod ants. Lasius, beneath stones. Readily known by 

 the notched ape.x of middle femora. 



1114 (0422). Batbisodes caticku.s Casey. Ann. N. Y. Aend. 8ci.. VII. Isfif!. 

 408. 

 Reddish-brown, cnaisely and sii:ii-sely imliescent ; elytra, legs and club 

 of ,LUtenn;v paler. Head wider tJnau long, as wide as thorax. Antennse half 

 as lon.2: as Imd.v. se<-(md .joint iontier than tliird; tliree to eight equal in 

 widtli. .gradually shorter: nintli and tentli abruptly wider, slightly trans- 

 verse; eleventli inui-h larger, snbgldbnlar. Thorax slightl.v longer than 

 wide ; median sulcus of disk feeble, with two or three acute recurved spines 

 e.icli .side: median sub-basal fovea large, the side ones distinct. Elytra as 

 long as wide, nut punctata: humeri rounded. Carinie of first dorsal sep- 

 arated by line-sixth the width of segment. Male with a rounded sultapical 

 impression on last ventral. Length l.s mm. 



Crawford County; rare. August 15. Described from North 

 ( 'aroliua. Dury finds it rather plentiful near Cineinnati. 



r.lo (ISOCil. Batrisodes co?vFixis Bee. Bost. Journ. Nat Hist.. VI. 1S4!I. !Mi. 

 Reddish-brown, shining, finely and sparsely pubescent. Head as broad 

 as long, vertex elevated with one median carina. Antennae slender, half as 

 long as body, joints I'-f) subequal. tenth but one-third thicker and not longer 

 than ninth, eleventh oval, acute, twice as long and one-half wider than 

 tenth. Thorax as wide as long, median sulcus fine, entire, basal fovese very 

 small, side one-^ distinct. Elytra at base not wider than thorax, smooth, 

 humeri feeble, discal lines very short. Length 2 mm. 



Putnam County: rare. April 22. 



Geotjp B. 



In this group the hind tibi;e bear at the outer end a very fine 

 and slender terminal simr, and the base of each elytron is marked 

 with three small rounded fovea^ (two in froiifalis). The following 

 species are known from or probably occur in the State. 



KEY TO SPECIES OF GROUP B. 



". Front of head in either sex not separated by a sulcus or groove from 

 the clypeus: last antemial joint of male with an erect basal tooth; 

 thorax with crests on disk : elytra strongly punctate. schaumii. 



(Id. Frontal margin in the nuile separated from the clypeus by a sulcus or 

 excavation : in the female continuous with the clypeus. 

 6. Antennre stout, the .ioiuts almost all wider than long, head-like, sev- 

 enth iind ei.ghth smaller than those preceding or following. 



616. CASEYI. 



66. Antemial joints, especially tho,se of funicle, more slender, not wider 

 than long, jniuts 7 and S not smaller. 



