10-1 l-WIILN II. — CARABTD/T':. 



Iloni. — "A Revi(-\v of tlie Six'cics of Anisodactyliis Inhabiting 

 the United Stalos/" in Vvoc Amer. Phil. Soc, XIX, 1880, 

 162-178. 

 //oryr --'•Synoptic 'l'al)le."' /;/ P>n1l. Brook. Ent. Soc, III, 1881, 



S8. 

 About 42 species are known from the United States, 19 of which 

 ha\(' been tal\en in Indiana, \vliil(^ one other may occur. For con- 

 venience the Indiana s])ecies are separated into three groiij)s or sub- 

 genera. 



Ki:V TO fiI!Ori\S of IN'DIA><A SI'FCIKS ov anisooactylus. 



(/'/. 'rcriniii.il spur of Iront tilii;i> iionnal, slender; species hairy or glabrous. 



a. Tenuiual spur ol' Iront til)i;p abuornuil. either trifld or dihited at middle. 



h. Teruiinnl s]mu- trihd, 1. e., Avith a blunt tooth each side near base; 



sjiet-ies glabrous. Group .1. 



Jtb. Terminal spur dilated at middle, without teeth at base; species 



usually glabrous. Group B. 



Group C. 

 Gkoup a. (Tripi^ctus.) 



()l)long-oval species liaving the hind tarsi slender, as long as 

 the tibia\ the first .ioint as long as the next two, the fourth emargi- 

 rate; el.vtra striate, intervals smooth, the third with one or more 

 (loi-sal ])un('tures; tip< distinctly sinuate. But two species of this 

 ijroup liave been taken, though another may occur. 



KEY TO INDIANA SPKCIIOS OF GROUP A. 



ii. I'rosternum at middle smooth, not pubescent; clypeus with one bristle- 

 bearing puncture on each side. 

 h. Surface shining, black ; legs black. dulcicoixis. 



hh. Surface ojiaque, distinctly alutarous ; thorax narrowed from base 

 to apex, widest at base. o()4. risticus. 



u(i. ri-osternum at middle punctured and pubescent; clypeus with two bris- 

 tle-bearing punctures each side; thorax nearly as wide at apex as at 

 base. 365. carbonarius. 



A. dulcicolJIs Laf.. 11 nmi. in length, is known from the Gulf 

 States and Missouri, and may occur in southwestern Indiana. 

 '■''M4 (1180). Anisodactyli's busticus Say, Trans. Amer. Phil. Soc, II, 



1823, 32 ; ibid. II, 4G0. 

 Oblong-oval. Brownish-black; base of autenme and 

 rcgidu nf hind thoracic angles reddish-brown; legs pice- 

 ous. Thorax broader than long, as broad at base as 

 elytra; sides feebly curved, hind angles obtuse; basal 

 impressions rather shallow, not punctured. Elytra rather 

 deeply striate; intervals convex, the third with one to 

 four dorsal punctures behind the middle. Length 9- 

 .14 mm. (Fig. 100.) 



Conunon tliroughont the State, especially so in 



