1118 



FAMILY 1,111. — CUKVKOMKLID.i: 



KEY TO INDIANA SPECIES OF UASSAUEUS. 



(I. Elytra with olther spots or stripes. 



b. Elytra each with two or more reddish, blac-k, or yelluw si)ots. 

 c. Spots on each elytron four or more. 

 d. Edge of thoracic fianlcs. lieneath the antenua>. acutely toothed. 



liOfiS. CLATIIKATl S. 



(/(/. Edfje of thoracic tlanks only feebly siiuiate. 



V. Elytra black or plceous, the spots yellow. l'o.v.». iokmosis. 

 «'. Elytra yellow, the spots smaller, l)lack. 



20n!)a. var. sri.i'iii ku'k.nms. 

 cc. Elytra each with two refldish s]»ols. 

 f. Thorax uniform dull red, elytra darker. uetuiti s. 



//. Thorax black, sometimes, with yelhiw sjKds. 



(J. Elytra without a basal row of small, dbhuii:, pale spots. 



'JOGO. SELLAirs. 



,'/.'/. Elytra with a basal row of small, oblont,' yellow spots, the 

 outer two connected with the larwr discal spot. 



UOCil. MAMMIKEK. 



bh. Elytra with black and yellow stripes or with a siuiile yellow spot 

 near apex. 

 /(. Thorax in part or wholly black; upper surface dull. 



/. Ii]lytra with discal yellow stripes. I'oc.l'. mtikatl's. 



//. Elytra without discal stripes. 



). Thorax and elytra with reddish-yellow niar.^'ius. 



I'llCl.';!. var. liKclKMS. 



././". Thorax black with two red liasal spots; elytra witli small 

 aiiical pale spot. var. castis. 



,/././. Thorax wholly black; elytra as in var. cdslKs. 



20(lL'b. var. Ni(a;i:. 

 Jill. Thorax wholly reddish-yellow, sometimes feebly infuscate at mid- 

 dle of disk: surface polished; elytra with two yellow stripes 

 which unite at apex. 20G3. lativittis. 



(/(/. Elytra wholly yellow without spots or stripes. 



20(Ua. var. luteipennis. 



20r),S (GOOG). Bassareus ci^thrati's Melsh., Proc. Phil. Acad. Nat, Sci.. 

 Ill, 1847, 173. 



Short, robust, subcylindrical. Head and tho- 

 rax dull red, each with paler yellow spots, those on 

 thorax near front and hind ansles (often confluent) 

 and two lai'Lcer oblicpie basal ones; elytra blackish 

 or iiiceiins-brov, n. each with apex and three cross- 

 rows of s]i()ts. yellow, the spots in basal row elon- 

 .sjate, the others irre.irular or subquadrate; femora 

 and base of antenn;p red; apical half of antenmp, 

 tibijT' and tarsi blackish. Thorax finely and s])arse- 

 ly punctate. ]';iytra w itli r ws i.C co;irse, decit imiic- 

 tures. the flftii and sixth I'ows nnich confused near 



middle; alternate intervals wider and more convex. I>eni;tli :!,S-.") mm. 



(Fig. 4S3.) 



FiiT 4,S3. 



