COLEOPTERA. 77 



of a circle in outline, and somewhat robust; antennae flavate througliout, 

 slender, distinctly shorter than the hend and prothorax together, second 

 joint three-fifths as long as the third, third slightly longer than the fourth. 

 Prothorax widest slightly in advance of the middle, where it is about three- 

 fourths wider than the head, and about one-third wider than long; sides 

 evenly and rather strongly arcuate, more abruptly convergent anteriorly 

 than posteriorly ; apex and base about equal in length, the former broadly 

 and strongly sinuate, the latter transverse ; apical angles rather acutely 

 rounded ; basal angles rather broadly rounded ; disk very feebly convex, 

 highly polished, scarcely visibly impressed toward the basal angles ; border 

 strongly and narrowly reflexed, bearing on each side at two-fifths the length 

 from the apex a long erect seta ; median groove very fine ; surface almost 

 impunctate in the middle, finely, feebly, and rather closely punctulate ante- 

 riorly and toward the sides, the latter gradually merging into a very large 

 area along the base and basal angles, which is strongly, very densely, and 

 irregularly punctate. Scutellum triangular, slightly wider than long. Elytra 

 at base distinctly narrower than the pronotum ; sides parallel and very feebly 

 arcuate for three-fourths the lengtli, thence strongly convergent behind ; disk 

 rather acutely rounded at the immediate apex ; inner apical angles acutely 

 i-ounded ; nearly twice as long as the head and prothorax together, and 

 about twice as long as wide, broadly convex, more strongly so jjosteriorly, 

 extremely highly polished, and very feebly opalescent ; striae very fine and 

 ratlier feebly impressed ; intervals nearly flat, excessively minutely punctu- 

 late ; in tlie eighth and ninth intervals the punctures become very close, 

 much deeper, setigerous, and abruptly rather conspicuous ; the ninth interval 

 liears a row of about five very large setigerous punctures near the humeri, 

 and another series of about ten very irregular ones near the apices ; the 

 jiunctures of the discal series near the second, fifth, and seventh striae, 

 about ten in number, are very feeble and minute. The edges of the elytra 

 are rather strongly reflexed, and the first elytral stria is continuous with the 

 basal groove, whitdi is very strong, and not attained by any of the other 

 striae ; the punctures in the basal portions of the elytra are close, fine, and 

 distinct ; the scutellar stria is very short, and proceeds from the setigerous 

 verrucation at the origin of the second stria. Legs long and slender, flavate, 

 opaque. Abdomen convex, last segment rather long, bisetose, paler in color. 

 Length 8.0-9.5 mm. 



Texas, G. 



The Jibove description is taken from tiie female ; in the male, the 

 first joint of tiie anterior and middle larsi is equal in lengtii to the 

 second ; the first four joints strongly and ecjually dilated in both pairs, 

 and clothed very densely beneath with two series of squaniules ; the 

 posterior tarsi in the same sex are long and slender, first joint nearly 

 equal in length to the next tliree together, joints two to four uniformly 

 and rapidly decreasing in length, second shorter than the next two 

 together, and very slightly longer than the last, which is very slender 

 and slightly arcuate ; claws strong. The above specimens I dis- 

 Cont. Part II. 2 December, 1S84. 



