COLEOPTERA. 69 



TACHYS Steph. 



T. OCCllltator n. sp. — Form rather robust, depressed. Color above 

 reddish-testaceous, head nearly black ; beneath reddish-testaceous, except 

 the abdomen, which is blackish-fuscous ; legs and elytral epipleurae pale 

 fulvo-testaceous ; antennae dark brown, except the two basal joints which 

 are slight]}^ paler : integuments highly polished, impunctate, and translu- 

 cent. Head moderate, longer than wide ; eyes moderate, somewhat promi- 

 nent, in great part visible from above, coarsely granulated ; interocular 

 surface very feebly convex, finely and distinctly reticulated ; front of epis- 

 toma one-half as long as the distance between the eyes, transversely truncate 

 anteriorly, sides thence moderately divergent, narrowly elevated, and nearly 

 straight to the anterior limits of the eyes, punctures very small, distant from 

 the anterior angles which are very obtuse, and scarcely rounded ; from the 

 epistomal punctures extends on each side a very broadly and irregularly 

 impressed channel more than one-third the total length of the head, the two 

 being parallel ; the ocular borders are elevated, the elevation becoming 

 narrower and more acutely rounded posteriorly, taking the form of supra- 

 ocular ridges ; epistomal suture almost completely obsolete ; labrum large, 

 one-half wider than long, transversely truncate anteriorly, angles rounded, 

 sides parallel ; antennae about as long as the head and prothorax together, 

 slender, basal joint somewhat robust, larger than the second, second equal 

 in length to and scarcely more robust than the third. Prothorax widest at 

 about one-third its length from the apex, where it is but very slightly wider 

 than the head, and one-half wider than long ; sides rather strongly arcuate, 

 feebly sinuate toward the basal angles, which are right, and not at all 

 rounded, very prominent ; base transverse at the sides, broadly arcuate in 

 the middle ; apex just visibly longer than the base, broadly and rather 

 feebly emarginate ; apical angles very obtuse, very slightly rounded ; anterior 

 setae just within the border at one-third the length from the apex, posterior 

 on the acute edge slightly before the basal angles ; disk broadly and almost 

 evenly convex throughout ; median groove extremely fine and feeble ; at the 

 base there is a broadly arcuate and unbroken line of minute foveae opposite 

 the arcuate portion of the basal edge ; minute tuberculations within the basal 

 angles entirely wanting. Scutellum hastate, small, slightly longer than 

 wide. Elytra at base distinctly wider than the pronotum ; sides parallel 

 and very feebly arcuate for three-fourths the length from the base, where 

 there is a large marginal seta ; disk obtusely rounded behind, broadly and 

 rather feebly convex, widest at the middle, where it is about threVfourths 

 longer than wide ; sutural striae strongly marked, arcuate without, then a 

 second very feeble stria, and beyond very feeble traces of a third on each 

 elytron; in the middle and two-fifths the width from the suture a minute 

 setigerous puncture, and another discal puncture in the same line at one- 

 sixth the length from the apices ; sides feebly and narrowly reflexed with a 

 short setigerous humeral channel very close to the edge, and, through the 

 posterior two-fifths, a more deeply impressed and irregular channel near the 

 border, and a very short oblique discal one, both coalescing near the elytral 

 plica with the marginal continuation of the sutural stria. Legs long and 



