■|224 PAJiir^v liiil. — cnRYSOiMEiJD.K. 



KEY 'JO INDIANA (iENEHA OF I-IISPINl. 



«. Antenuffi 8- or 9-joiiitecl. .^ -, . ^ 



6 Antenna filiform or fusiform, tlie last four joints being united mto 

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



I.XXIII. MK'K0KH0PAI.A. 

 h„. Antenna, clavate, tbe last two .Toints forming an elongate-oval .-lub; 

 elvtra with sliort, oblique folds, tbe intervals lumetunMl. 



LXXIV. Oc^totoma. 



nil. Autennfn with 11 distinct joints. 



c Elytra costate, the stri;e coarsely punctate. 

 ■<?. Middle tibire straight. T^X^Y. (hiALEPrs. 



,1<I. Middle tibiae strontily curved. Ciiaklstena. 



i-c Elytra not costate, stria' finely imnctate; bixly oloniiate. 



LXXVI. Stknispa. 



LXXIII. MiCRORiioPAi.A Chcv. ]S:U. (Gr., ^'little + club.") 

 In addition to diameters given in key this genus has the thora.x; 

 usually broader than long and wider at base; legs short, tibite 

 straight; third tarsal .joint deeply bilobed. Six of the 12 species 

 iccngniwd by Plorn should occur in the State. 



KEY TO INI)1.\NA species <iP ilICK0RIIOI'.\LA. 



,(. lOlytra with only eight rows of punctures; last joint of tarsi very little 

 or not longer than the lobes of the third joint. 

 6. Joints 2 to of ant<'unre uearl> smooth and without hairs; elytra 

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



22(')5. VTTTAT.\. 



hh. Joints 2 to G of antenna' roughly sculptured and somewhat hairy, 

 c. Body al)ove bicolorod, black, with the sides of thorax and elytral 

 stripe reddish-yellow. 22(i(i. xerene. 



cc. Body above entirely dark blue or slightly gri.'enish. 



iJ. Punctures ef the outer mws on elytra much larger and of more 

 Irregular size than the inner. 2267. excavata. 



(Id. I'unctures of all the rows equal and distlm-t. cyanea. 



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



c. Black; interval between the third and fourth costtie with foiu' rows 



of punctures near a|iex; form slender, parallel. porcata. 



cc. Reddisli-ycllow : elytra with small black spots and with ten entire 



rows of punctiu'es; last joint of tarsi nearly twice as long as the 



lobes of the third. melsheimeri. 



22(i!r> (7060). JIlCRORliOPAiA VPITATA l''abr., Ent. Syst, Supp.. 179S, 117. 



Oblong-oval, suhdepressed. lUack 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, sparsely, coarsely and rather 

 shallowly punctured. Elytra with ei,t;ht rows of olilong punctures arranged 

 in pairs; alternate intervals broader and a little more convex. Length .">- 

 6.5 mm. 



Labe r'ount>'; rar(\ T\Tav 20. 



