46 



2 - — Prothorax ovate, sides strongly margined, hind angles rounded ; elytra 

 deeply striate, dorsal punctures 3 (accidentally 4). 8. mam us. 



Hind angles of prothorax obtuse but less rounded, elytra broader! 



9. ovipennis. 

 3. — Form not very slender ; elytra obliquely sinuate at tip, striae deep, 

 dorsal punctures 3; prothorax strongly margined, hind angles not 

 rounded. • 4. 



Form slender, antennae and legs very long ; elytra obliquely sinuate at 

 tip, striae line, dorsal punctures 3, (in a of sp. 15 there are 4) ; protho- 

 rax strongly margined, hind angles obtuse but not rounded. 5. 

 4. — Larger and more depressed, elytra more deeply sinuate behind ; hind 

 angles of prothorax obtuse, not prominent ; metathoracic episterna not 

 punctured. 10. decens. 

 Less depressed, hind angles of prothorax rectangular ; metathoracic 

 episterna punctured. 11. sinuatus. 

 More depressed, subopake ; elytral striae less deep, interspaces nearly 

 fiat ; hind angles of prothorax obtuse, slightly prominent ; metatho- 

 Tacic epimera much narrower, not punctured. , 12. opaculus. 

 5. — Very slender ; hind angles of prothorax almost rounded. 13. tenuicollis. 

 Less slender ; hind angles of prothorax almost rounded. 14. cincticollis. 

 Less slender ; hind-angles of prothorax obtuse, not rounded, side-margin 

 more widely renexed.* 15. reflexus. 

 var. a. Elytra with 4 dorsal punctures. 

 * This species is refered to COLPODKS by Chaudoir, A nn. Ent. Fr. 1859, p. 328. 



q. — Elytra with broadly rounded humeri; hind angles of pro- 

 thorax obtuse or rectangular, not rounded ; lateral grooves distinct 

 on all the tarsi. ' 



Prothorax narrowly margined. 2 - 



Prothorax widely margined, hind angles rectangular not prominent ; tarsi 

 without medial groove ; dorsal punctures 3 ; black margin of prothorax 

 translucent. 16. brunneomarginatus. 



var. a. Head, prothorax, antennae and legs brown ; Ucolor,\ Lee. 

 2.— Dorsal punctures 5-7 ; tarsi without medial groove ; green, blue or dull 

 piceous-bronze, base of antennae, palpi and legs frequently testace- 

 ous. 3 - 

 Dorsal punctures 3 ; hind angles of prothorax prominent usually rect- 

 angular. 

 3._Color green or blue, base of antennae, palpi and legs ferruginous. 4. 

 Color black bronzed. 6. 

 Color mostly piceous or piceo-testaceous. *• 

 4. — Basal impressions of prothorax small, narrow. 5. 

 Basal impressions of prothorax deep. 17. extensicollis. 



