48 



Antennae and legs brownish yellow ; color piceons, prothorax subquad- 

 rate, sides broadly flattened behind, angles rounded at tip, base Insin- 

 uate ; elytra finely striate with 4-tf dorsal punctures; tarsal grooves 

 indistinct. ■ 32. 



Black or bronzed, sides of prothorax broader and more reflexed behind ; 

 dorsal punctures 4-7. 2'.i. 



Brassy green; base of antennae, palpi and legs yellow; hind angles of 

 prothorax distinct, obtuse; basal impressions deep, slightly punctured. 



32. errans. 



var. a. Darker bronze, base of antenna? and legs almost piceons ; 



elytral striae distinctly punctulate ; svfocordat-us, Lee. 



3. — Prothorax with side margin wider and strongly reflexed near the base. 4. 



Prothorax with side margin only narrowly reflexed at the edge. 8. 



4. — Elytral striae fine, interspaces flat 5. 



Elytral striae deep. 6. 



5. — Hind angles of prothorax obtuse, rather distinct. 33. mcerens. 



Hind angles of prothorax entirely rounded. 34. tenuis. 



6. — Elytral striae feebly punctulate. 7. 



Elytral striae strongly punctured : hind angles of prothorax entirely 



rounded. 35. collaris. 



7. — Hind angles of prothorax entirely rounded (molestus Lee.) 36. atratus. 



Hind angles of prothorax very obtuse, but distinct. 37. melanarius. 



8. — Second and 3rd dorsal punctures near or on 2nd stria 9. 



All three punctures on 3rd stria. 12. 



Second puncture on or near 3rd stria; 3rd on or near 2nd stria . 13. 



9. — Dark colored or black species. 10. 



Bright metallic above. 15. 



10 — Smaller species. 11. 



Larger species, 5th stria frequently deeper behind. 12. 



11. — Blackish, elytra piceous; hind angles of prothorax rather distinct. 



obtuse ; piceus,l Lee. 38. propinquus. 



Black bronzed, hind angles more rounded. 39. fraterculus. 



12. — Hind angles somewhat distinct, impressions without a tubercle (Harrhii 



Lee,) 40. afinis. 



Hind angles more rounded, impressions with a distinct tubercle 



41. carbo. 

 13. — Hind angles entirely rounded. 42. corvus. 



Hind angles obtuse, distinct. 43. frater. 



14. — Black bronzed, basal impressions with a distinct tubercle ; hind angles 

 indistinct. 44. metallescens. 



Black bronzed, basal impressions without tubercle. 45. deceptivus,n.sp. 

 15. — More or less golden-green. 46. cupripennis. 



var. a. Elytra green, without coppery disc. A. nitidulum, Dej. 

 var. b. Golden bronze, larger and flatter, basal impressions of pro- 

 thorax faintly tuberculate. 

 Bronze, basal impressions with a small tubercle. 47. Hardyi. 



Bronze, dorsal punctures large, foveate. 48. excavatus. 



