1224 FAMILY TJii. — ciirysometjd.t:. 



KEY TO INDIANA GENERA OE lUSPINI. 



a. Antenuie S- or 9-jointed. 



b. AnteniiiL' filiform or lusiforiii, the last lour joiuts being luiited into 



an oblong mass ; elytra oval, convex, not or feebly costate. 



LXXIII. MiCBORHOPAI-A. 



hh. Auteun.-p clavate, the last two joints forming an elongate-oval club; 

 elytra with short, oblicine folds, the intervals i)unctured. 



liXXIV. OcioroMA. 

 (/(/. Antennie with 11 distinct joints. 



c. Elytra costate, the striiie coarsely punctate. 



d. Middle tibire straight. LXXV. Chalepis. 



dd. Middle tibiae strongly curved. Charistena. 



cc. Elytra not costate, stri:e tinely punctate; body elongate. 



LXXVI. Stenispa. 



LXXIII. MiORORiiOPALA Ch(?v. 1834. ((>./' little + club.") 



In addition to cliarai-ters given in key this genus has the thorax 

 usually broader than long and wider at l)ase; legs short, tibia3 

 straight; third tarsal joint deeply bilol)ed. Six of the 12 species 

 recognized by Horn should occur in the State. 



KEY TO INDIANA Sl'KC'lES (IK M 1< '1!( )KHOl*A EA. 



a. Elytra with only eight rows of punctures: last joint of tarsi very little 

 or not longer than the lobes of the third joint. 

 h. Joints 2 to (3 of antenna' nearly smooth and without hairs; elytra 

 black, with the second costa and a narrow line at side red. 



22G5. VITTATA. 



hh. Joiuts 2 to G of antenna; roughly sculptured and somewhat hairy. 

 c. Body above bicolored, black, with the sides of thorax and elytral 

 stripe reddish-yellow. 22G6. xerene. 



cc. Body above entirely dark blue or slightly greenish. 



(/. Punctures of the outer rows on elytra much larger and of more 

 irregular size than the inner. 2267. excavata. 



dd. Punctures of all the rows equal and distinct. cyanea. 



aa. Elytra with at least ten rows of punctures on the apical half. 



G. Black; interval between the third and fourth cost:e with four rows 



of punctures near apex ; form slender, parallel. porcata. 



ee. Reddish-yellow; elytra with small black spots and with ten entire 



rows of punctures; last joint of tarsi nearly twice as long as the 



lobes of the third. melsheimeri. 



22G5 (TOGO). Micborhopala vittata Fabr., Ent. Syst. Supp., 1798. 117. 



Oblong-oval, subdepressed. Black or bluish-black, feebly bronzed ; head, 

 thorax, second costa and narrow marginal line of elytra, and often the base 

 of femora, red. Thorax twice as wide as long, spnrsely, coarsely and rather 

 shallowly punctured. Elytra with eight rows nf djilong punctures arranged 

 in ]>airs; alternate intervals tu-oader and a little more convex. Length .5- 

 6.5 mm. 



Lake County; rare. May 20. 



