360 FA.MIl.Y XT. STAPH YLINID^. 



a titii(\ hilt T once took 20 or more t'i-oiii aniono; a (M)lony of the ant 

 ( 'mil iiiiiiol IIS jK inixijl v(i iiiiiix IxMicalli Ihc hai'k of an (»liii \o\f near 

 iJloomiiii^ldii. 11 is said thai they arc fed hy the ants and in turn 

 cxuch- a scci'etioii which is much liked hy their hosts. 



Tribe VII. ALIOOCHARINI. 



Usually rather rol)ust species having the head not prolonged in a 

 heak in front; inner lobe of the maxilla^ moderately long, its outer 

 side horn-like, its inner side leather-like, usually with long, thorn- 

 like teeth toward the tip, densely hairy behind the teeth; all the 

 tai'si with five joints. The tribe is represented in the State by five 

 genera. 



KEY TO INDIANA GENERA OF ALEOCHARINI. 



(/. Head prominent, more or less strongly coustrictetl behind; first Joint 

 of .MnteniiiB scapiform, but only moderately long; epipleuva of tliorav 

 always visible from the side; tliird to fifth dorsal segments of ab- 

 domen always transversely suleate or constricted. 

 h. First joint of hind tarsi shorter than the fifth joint and shorter than 

 second and third together; body small, linear; third to sixth dorsal 

 segments of abdomen transversely suleate. XXII. Phlceopora. 



hh. First joint of hind tarsi longer than the fifth joint and at least as 

 long as the second and third together. 

 c. First joint of antenna' at most only obliquely emargiuate at the 

 very tip. XXIII. Calodera. 



cc. First joint of antenna^ obliquely suleate or emarginate (for the re- 

 ception of the second joint) in the apical fourth or fifth. 



XXIV. AmarochaPvA. 

 (!■;. lle.ad not or only very feebly constricted behind, its base retracted or 

 only iiiiider.'itely prononeiit; first joint of antenn;ii never scapiform. 

 (/. ^^axill,•^■y |>alpi with four, labial i>al|)i with three joints. 



XXV. OXYPODA. 



(III. M;iNiliary p.-iljii with five, labi:il pal|»i with four joints. 



XXVI. Aleociiara. 



XXTT. rriT.(KOPORA Erich. 1S37. (Gr.. "l)ark r to walk.") 



Elongate, narrow forms having th.e head rather hioad. sti-ongly 

 constr-ictcd ; ahdonien elongate and |)arallel. 



CSf) ( ). rni,(EOPORA SI la.KVis Casey. Tnuis. Acad. Sci. St. L.. XVI. 



litOC), :mo. 

 lojoiigale. slendei'. ]iarallel. l>ark lirown. feebly shining; head and ab- 

 (binien piccous; aiileiniic lusci.us. tbe basal joints and legs yellow. Antenna' 

 i-eacliing liase of lliorax. Ilic oiilcr Joints transverse. Thorax as long as 

 wide, sides rounded in iioni of middle, tlience nearly straight to base, disk 

 tinely an<l sp.irscly pniictnicd. Illyti'a a lliird wider luid a little longer th:ui 



