ciiiLoroRA. 177 



Rather more slender than C. lonf/itarsis. Head black- 

 brown, abdomen red-brown, penultimate two segments 

 darker ; body pubescent. Thorax and elytra closely and 

 moderately finely, abdomen very closely and finely punc- 

 tured. Antennae red, base yellow, penultimate joints 

 distinctly longer than broad ; thorax longer tlian broad ; 

 legs yellow. L. 2 1, Not common. C. ruhicunda, Er. 



Tachyusa, 



A, Abdomen more or less narrowed toward base. 



a. Abdomen distinctly narrowed at base, less closely 

 punctured than the fore parts. 



jT. Antennae yellow-brown at base ; legs l)right-red. 

 Pitch-black, shiny. Punctuation of fore parts close and 

 fine, of abdomen extremely line, diffuse in front, tolerably 

 close liehind ; thorax almost longer than broad, with a 

 shallow transverse impression at base; apex of abdomen 

 double as broad as base. L. 1-^- 1. Moderately common. 



T. constricta, Er. 



II. Antennae dark brown at base ; legs (except tarsi) 

 pitch-brown. 

 Black, with bluish reflection, shiny. Punctuation of fore 

 parts very close, fine, that of aljdomen even, and rather close 

 and fine ; thorax slightly broader than long, with a very 

 shallow transverse basal impression ; apex of abdomen half 

 as broad again as base. L. 1-^ 1. Very rare. 



T. coarctata, Er. 



b. Abdomen scarcely narrowed toward base, almost as 

 closely punctured as the fore parts. 



Black, with bluish-gray reflection, shiny ; antennae red- 

 brown, base yellow-brown; legs pitch-brown, knees and 

 tarsi yellowish. Punctuation of fore-parts extremely 

 close and fine, that of abdomen nearly as close ; thorax 

 almost longer than broad ; six penultimate joints of 

 antennae about as long as broad. L. 1^^ 1. Not very 

 common. T. scitula, Er. 



B, Abdomen parallel-sided or narrowed behind. 

 a. Central furrow on thorax not deep. 



/. Antennae blackish-brown or dark reddish-brown, 



N 



