THE SHOKT-WIXGED S. ATKXGF.E BEETLE?. 447 



last dorsal with entiri- hind margin. The females have the front 

 tarsi feebly or not at all dilated, last ventral semi-eireular and the 

 last dorsal with four equal acute teeth. 



KEY TO INDIANA SPECIES OF TACHTPOBl S. 



a. Form convex and rather robust. 



6. Color in great part pale reddish-brown or reddish-yellow, 

 e. Elytra bicolored. 

 d. Under surface picecais. 



e. Elytra with sides and an oblique discal spot on each black; 

 abdominal segments piceous at base. Soo. macllipenxis. 

 ce. Elytra with basal half or two-thirds shining black; abdomen 

 above reddish-yellow, the last two segments black. 



S56. PULCHBrs. 



fid. Under surface, except last two segments, pale; elytra with scu- 



tellar blotch only black. So", elegaxs. 



cc. Elytra uniform in color or slightly darker around the scutellum ; 



thorax and elytra paler than abdomen. 



f. Thorax not broader than elytra, rapidly narrower to apex. 



SI5S. jocosrs. 

 //. Thorax broader than elytra. Its sides strongly curved. 



S.oO. CHBYSOMELIXtS. 



66. Color pitchy black ; apex of elytra paler ; femora and coxse piceous. 



XAxrs. 

 "'/. Form more or less depressed, slender. 



g. Color dark fuscous brown to pitchy black ; elytra in part or wholly 

 paler ; third joint of maxillary palpi normal. S60. scixri-rs. 



gg. Color reddish-yellow; tliird joint of maxillary palpi stout. 



S61. BBUN>"EUS. 



*.S55 i2i;.32). Tachvporcs MAcruPE^^is Lee. Proc. Phil. Acad. Xat. Sci.. 

 iscr;, .UT4. 

 Head black, smooth ; thorax and elytra dark i-eddish-brown, strongly 

 shining; elytra each with an oblique spot near middle and an oblong one 

 on side, black, these sometimes miited; basal portion of alxlominal segments 

 and under surface piceous; l^s and antennae pale. Thorax smooth, nearly 

 twice as wide as long, not wider than elytra, sides curved, hind angles ob- 

 tuse. Elytra together wider than long, slightly longer than thorax, both 

 they and abdomen very finely and sparsely punctate and pubescent. Length 

 3.5-4 mm. 



Southern two-thirds of f^tate : frequent. February 10-Decem- 

 ber 7. Hibernates beneath mullein leaves and rubbish. The tho- 

 rax often has a dusky spot on disk. 



s.-i(; ( ). Tachytoius prrcHEts s]i. nov. 



Reddish-yellow, strongly shining. Head, basal fourth of thorax, basal 

 half or two-thirds of elytra and last two segments of abdomen, black; un- 

 der surface piceous. Elytra without visible punctures, very sparsely and 

 finely pubescent. Length .J mm. 



[■S,)—-2:iW2\ 



