]3-l:S FAMILY LXIII. — PYIiOCIIKOin.E. 



•250:; (7!)i>0). Isc'iiALiA cosTATA Lec. New Sp. N. Am. Cnl., I, ISCC, 14'i. 



Oval, Hululepressod. Dull brdwnisli yellow ; liend. alHlinufii and aii- 

 teniiio, except the last two joints, brownisli-tuseons : elytra dusky with a 

 long stripe on side and tips pale. Thorax bell-shaped, without ]iuuctures. 

 sides thickened and retiexed; hind angles acute; disk with a strong median 

 carina ending in a iioiiit at the base. Elytra elongate-oval, very coarsely 

 punctured; each with a high ridge extending from humerus nearly to tips 

 and another, much recl>]cr. very near the mai'gin and reaching troni near 

 the base to the tip. T.ength 4.ri-r. nun. 



M;!i'sli;ill County; rnre. INIny 3. One speeinKni from dccayino; 

 Cottonwood. 



II. Pyrociiroa Geof!'. 17fi4. f Or., "fire h color. ") 



Four sjioeies of laroe l)bK'k und yellow forms belono; here. Two 

 of the four occur in the State. 



lir)(»4 (7!)!)1). Pyrociiroa fi^uellata Fal)., Ent. Syst. I^upp., 171(8, II, 10r>. 

 Elongate, subdepressed. Reddish-yellow; antenna\ except the two basal 

 joints, piceous ; elytra black, sparsely clothed with short, snberect pubes- 

 cence. Thorax twice as Avide as long, distinctly wider than head; sides 

 and angles rounded, disk smooth, with a broad median impression at base. 

 Elytra distinctly wider behind the middle, linely and densely granulate- 

 punct:ite. Male with head broadly concave between the eyes and antenna^ 

 with joints H to 10 more strongly i»ectiuate than in female. Length lo- 

 17 nnn. 



Throitfirliout the State, freqnent in the sontliern counties; much 

 less so nortluvard. -June 2-.)uly 7. Occurs on foliage, especially 

 that of ironwood, in open woodland; also often heneath chips and 

 bark. A half do/en specimens were, on one occasion, fonnd feeding 

 on a pungent, sourish sa}) whicli was exuding from a crevice in a 

 white oak stump. 



lino.") (7'.i".»i:). I'YKociiiioA fk.morams Lcc, I'roc. Phil. Acad. Nat. Sci., VH. 



isr.r.. -214. 



Iiesenibles the iireceding in fm'm and color excejtt that the under sur- 

 face, palpi, all the t'lhiin and tarsi and part of middle and hind femora are 

 blackish. Thorax much narrower than in fJahcUata, scarcely wider than 

 head. Male with a very deep double fovea l»etween the eyes and with the 

 branches of anteunal joints much longer and more slender. Females with 

 a broad, shallow excavation between the eyes and the antenn;e about as in 

 the males of fldhcllntn. Eength 14-1(;..5 nun. 



IMarion. Crawford and Perry counties; scarce. IMay 14-Jnne 5. 

 The elytra are nuieh more sliining and less rough than in fJahcJlafa. 



