iiii: i'i;i:it \('i:()rs iii\i\(; r.i:i:i'i,i':s. 



2:y:) 



(he iii.-ii-^iiis: clylra willi llir iii:ifi;iii Iii-«i;hI1\ yellow niid usiialls' willi ;i 

 suli Ims.iI vflliiw ish l>;iii(l rrnni wlih-li cxiciul l>;ick\\ ;iril Iniir nr live ii;iri'u\v 

 (lull ycllnw liiii's; iiudci- surratc (lark picoous, [hv proslcinuin paler. Leiiiilli 

 ll'.r. 14 iiini. 



Ijjikc and Stculicn (•(miitics: i-ai-c. May 27- August IG. 



45") (147^1. llVDATRTS L.KVll'K.NMS 'I'll! lUlS.. Ojl. Kilt.. III. .".1*4. 



Klongato-oviil, subconvex. rieeeiis almve and liciicatli: Trout of head, 

 thorax except a basal ci'oss-bar. Iroul and uiiddle legs and anteuu;e reddish- 

 yellow ; side uiargiiis (if elytra dull browuish-yellow : iiii(ldl(» tibi;e jiiceous. 

 l»iirsal i-(i\vs (if punctures distiud. Female with tips ol' elytra sliLchtly ju'o- 

 duced and suhsinuale. LeULCt h iL'.-'i iiiiu. 



One iiiaK' in l-'icld .Mus(M1!ii ('cllccl icii IVdiii "hid.."" jifiilialilN' 

 St. Joseph Coiiiit\. The dai-k liasal cross-hai' (if lliorax is widest at 

 iiiiddlo and tapei-s to a line ca.ch side. 



//. biniarfiinal 11^ Sa\-. 12 iinii. in Iciiutli. occtifs I'l-oin Ohio to 

 Georgia and Florida. 



XXI. .\ciijis Leach. 1817. (L.. a Koiiian name.) 



Mcdiuiii-si/cd siil)(h-{)r('.ss('d species, slightly olxivate in 

 form, and having- the iii)per siuface distinctly and regu- 

 larly punctate: thorax not margined; hind eoxa^ very 

 lai'ge. Feinales with el>"tra either snleate or smooth. 

 Males with front tarsi broadly dilated, with one large and 

 two small disks beneath, the middle tarsi simple, the ,,. ,,^ 

 hind claws e(nial. (Fig. 118.) Two species have been (•'^f'^'' <^"'*t«ck.) 

 taken in Indiana, while one other may occnr, 



KEY TO IXDIAXA SPECIES OF ACIUIS. 



a. Vertex witii a distinct M-shaped black mark; sulci of female elytra un- 

 equal in length, tlu' outer ones longer and reaching nearly to base. 

 b. Ilind femora reddish-luH.wn ; lengtii 12.r>-t4 mm. 



45(5. SEMISILCATIS. 



hh. lliud femora black; length 11' mm. mkdiatus. 



(HI. \'ertex without an M-shaped mark; sulci of female snbeiiual in length 

 and I'eaching only to middle of elytra : lengtii lM-15 mm. 



457. rKATEKMS. 



!.".i; (MPi'i. Acii.irs sE.Misx'i.CATrs AuIk'. Spec. (Jen.. 

 VI, 1.S3S, i:i2. 

 r.roadly oval or obovate. Dull lirownish-yellow above ; 

 head with base and an M-shaped mark on vertex 

 black; thorax with tv-o trausvers(> black lines on 

 disk, the fidiit one the wider; elytra closely marked 

 with black dots .-lud with subapical yellowish cross- 

 bar. Leiu'th ll'..! 14 111111. (Fig. 1 !!». t 



tic. iiy -■ :.'. 

 (Afu-r WickluiiM.) 



Lake. Marshall. .Marion and Vigo counties; 

 rre(|uent. dune 12-Aiiniisl If). 



