Coleojiterological Notices, VI. 471 



Pronotal puuctures liue 39. sllbcalTllS 



Sides of the prothorax distinctly convergent anteriorly. 



Pronotum strongly and rather closely punctured ; white hairs of the elytra 



few in number and irregularly disposed 40. f lliieliris 



Pronotum finely and remotely punctured; fine dark hairs of the elytra 



forming a submedian vitta on each 41. vittiger 



16 — Apical angles of the prothorax anteriorly prominent. 



Basal angles acute and prominent 42. proiniiieiiS 



Basal angl&s liroadly rounded; vestiture very dense. 

 Vestiture cinereous- white ; prothorax feebly transverse. 



43. cuspidatits 

 Vestiture pale helvo-cinereous; prothorax strongly transverse. 



44. iiidutiis 



Apical angles not at all prominent anteriorly 17 



IT — Sides of the prothorax subangulate behind the middle, the marginal 

 fringe very dense and conspicuous; legs piceous-black ; vestiture fulvous. 



45. fiiubriatu!^ 



Sides of the prothorax almost evenly arcuate 18 



IS — Prothorax feebly transverse, the sides very feebly arcuate, the basal angles 

 slightly obtuse but distinct; vestiture short and dense, the erect white 



hairs unusually short; legs piceous-black 46. priliuosus 



Prothorax strongly transverse 19 



19 — Erect hairs of the elytra distinct over the entire surface and ai)parently 



somewhat serial in arrangement 20 



Erect hairs of the elytra extremely feebly developed and only visible toward 



the sides 21 



20 — Body very broad, especially in the female, oblong, the sexual differences 

 unusually marked ; side margins of the pronotum narrowly reflexed. 



47. fllSCllS 

 Body less broad, differing but little sexually; side margins of the pronotum not 

 noticeably reflexed. 

 Head in the male fully three-fourths as wide as the prothorax ; femora us- 

 ually blackish 48. sei'iellus 



Head in the male not more than three-fifths as wide as the prothorax ; legs 



red; body still narrower in both sexes 49. SObriiiUS 



21 — Prothorax distinctly narrowed anteriorly, less transverse; vestiture very 



dense 50. luiicidus 



Prothorax parallel and strongly arcuate at the sides. 



Vestiture dense 51. brCTicoriiis 



Vestiture much sparser 52. vilis 



22 — Pubescence of the elytra uneven in distribution 23 



Pubescence of the elytra uniform in distribution or virtually so and pale in 



color 24 



Pubescence of the elytra uniform in distribution and practically altogether 



black or brownish-black in color 33 



23 — The dark hairs forming two large quasi-denuded spots on each elytron. 

 Legs black or piceous-black 53. insiguis 



