BUFFALO SOCIETY OF NATURAI, SCIENCES 493 



rounded to the base of the vertex. It agrees with cara in col- 

 oring but may be distinguished by its elongated form and 

 different marking. The ferruginous mesonotum shading to 

 brown anteriorly and the broad smooth whitish pronotum seem 

 to be constant characters. 



Oliarus placitus n. sp. 



Allied to vicarius and j-lineatus. A large elongated spe- 

 cies; the females generally marked with a longitudinal fuscous 

 vitta on the elytra. Length, male 9% mm. ; female 11 mm. " 



Female: Vertex as broad as in 5-lineatus and as long as in vicarius. 

 Front and clypeus together proportionately longer than in 5-lineatus and 

 less angled at the sides; distinctly broader than in vicarius; base of the 

 clypeus distinctly broader and less deeply inserted in the front than in 

 either of the allied species. Pronotal carinas straighter-and more parallel 

 than in vicarius. Elytra long and parallel sided ; radial and ulnar nervures 

 forked on the same line but farther from the base than the point of union 

 of the claval nervures. In vicarius the point of union of the claval nervures 

 is beyond the others while in 5-lineatus the three are about on a line; 

 stigma still longer than in vicarius. Elytral sette less conspicuous than in 

 the allied species. Hind femora with three equidistant teeth, the basal 

 very minute and placed close to the base. 



Color ferruginous-brown or almost castaneous; the sides of the meso- 

 notum darker ; meso- and meta-pleurse and legs paler, the femora darker ; 

 anterior and intermediate tibiae twice banded with brown. Abdomen fus- 

 cous, the segments edged with white. Carina? of the vertex with a median 

 pale spot; those of the face paler, the marginal forming a pale hook either 

 side of the base of the clypeus. Elytra whitish-hyaline, the nervures pale 

 dotted with black; stigma and a longitudinal discal vitta which begins at 

 the base of the anteapical areoles, fuscous; the transverse, and the tips of 

 all the apical nervures blackish and bordered with fuscous. Commissure 

 usually with a fuscous vitta to near the apex of the clavus. Generally 

 there are two fuscous marks on the costa near the middle, a mark on 

 the inner branch of the radial vein next the fork, another on the fork of 

 the inner ulnar vein and a similar one opposite to it on the outer fork, and 

 a round spot on the fork of the claval vein. The fuscous vitta on the 

 apex and that on the commissure may be reduced or wanting but the spots 

 on the nervures seem to be constant. 



The male is smaller and wants most of the elytral markings but has 

 the four dots on the nervures; and the stigma, the transverse veins, and 

 the tips of the apical are fuscous. The male genital characters in this 

 species are very distinct. The median tooth of this segment is long and 

 broad, roundedly expanded and feebly bilobate at apex where its slender 

 margin is reflexed. Side pieces of the genital segment obtusely triangular, 

 but little surpassing the median tooth. Plates narrow and curved at base, 

 abruptly expanded and almost square beyond the apex of the median lobe. 



