Coleojjterological Notices, VI. 43t 



Body blackish throughout, occasionally with the elytra aud abdomen 

 slightly rufescent. 

 Abdominal setse short sparse and inconspicuous toward base. 

 Fifth ventral of the male sinuate at apex, the sixth with a deep 



rounded median sinuation 4. iiiibricata 



Fifth ventral unmodified at apex, the sixth with a broad and shal- 

 low sinuation four or live times as wide as deep. 



5. liiuiiloides 

 Abdominal setse long and bristling throughout the length. 



6. velocipes 

 Bodj' more or less pale in color throughout. 



Species of the Pacific coast 7. castaiiea 



Species of the Atlantic coast. 



Outer edge of the epipleura; not lower than the inner, the epipleu- 

 ral surface evenly and symmetrically excavated through a large 



part of its extent 8. virgiiiiae 



Outer edge descending slightly below the inner toward base, the 

 excavation near the inner edge ; much smaller species. 



9. iiiacer 

 II. EpipleuriB narrow, glabrous, becoming subvertical toward base, the outer 

 margin generally descending very far below the inner. 

 Elytra without marginal setse. 



Black, each elytron with a median red spot at the base. 



Large species. Europe and the Pacific coast 10. Itipu^itulata 



Small species. Atlantic regions 11. Itasalis 



Black or paler, the elytra uuicolorous or suffusedly pale at the base 

 throughout the width. 

 Species large or nioderate in size, always distinctly more than 1 mm. in 

 width. 



Epipleurse extending to the elytral apex 12. occulta 



Epipleurse not attaining the elytral apex. 



Epistoma fully one-half wider than long ; antennae slender, with 



the eleventh joint twice as long as wide — 9 13. crassa 



Epistoma but slightly wider than long ; antennae shorter aud less 

 slender, the eleventh joint much shorter ; body very much 



smaller — 9 14. versicolor 



Species small, always less than 1 mm. in width. 

 Elytra with rather finely imbricate sculpture. 



Elytra longer than the prothorax 15. debilis 



Elytra equal in length to the prothorax ; body less oval and more 



rectilinear at the .sides 16. siibtilis 



Elytra short and transverse, with very coarsely imbricate sculpture. 



17. parvula 

 Elytra with a single series of five or six long black set;^ along the lateral 

 edge ; body pale, the elytra feeblj' nubilate with a blackisli design. 



18. scripta 



