298 JOSEPH MCFARLAND. 



V. bistriata n. sp. 



9. — Black marked with yellow, very finely punctured, and clothed with a 

 sparse black pubescence. Head black, subtriangular, with a somewhat triangular 

 spot — the apex below — between the antennae ; a tiny spot between the above 

 and the ocelli; a spot in the sinus of the eye confluent with a narrow orbital 

 margin; cheeks connecting above the orbit with its narrow internal margin; 

 clypeus, excepting a small, irregular black spot; and the mandibles, excepting a 

 narrow margin, yellow. Antennse blHck, the scape marked anteriorly by a yel- 

 low line. Flagellnni black. Thorax : collar yellow, giving off an anterior, 

 pointed, descending process. Scutum with two yellow longitudinal lines. Scu- 

 tellum marked with two large lateral yellow spots. Post-scutellum yellow, nar- 

 rowly interrupted with black. Metathorax black, each side having a superior, 

 small, circular, yellow spot, and an inferior, large, subquadrate yellow spot. 

 Sides of thorax beneath the wings marked by an oblique yellow stripe and two 

 yellow spots. Tegulse yellow, with a ferruginous spot. Wings hyaline, nervures 

 brown. Legs yellow, the coxae and femora marked above with black ; tarsi fer- 

 ruginous. Abdomen: first segment black, with a narrow, interrupted, yellow 

 basal border, confluent with two lateral, basal spots, and at the sides with a nar- 

 row, nearly interrupted apical yellow margin. Second segment black, marked 

 about the middle with a broad, broken yellow band. This segment is more or 

 less broadly bordered with yellow, having two rounded indentations, and con- 

 fluent laterally with the broad interrupted band marking the middle of the 

 segment. Third segment yellow, notched basally with black, and having two 

 lateral black spots. Fourth segment yellow, less deeply notched with black and 

 having two black spots. Fifth segment yellow, scarcely indentated with black 

 anteriorly, and havinir the two lateral spots; anus yellow, with a longitudinal 

 black stripe. Venter yellow, with a black spot on each side of the second seg- 

 ment. Length 9 lines. Expanse of wings 15 lines. 



Hah. — North America. Locality unknown. 



One 9 specimen in the collection of the American Entomological 

 Society. 



This species is distinguished from V. citneata Fabr. by its larger 

 size and by the different ornamentation of the abdomen. 



v. scelesf a n. sp. 



9 . — Black, finely punctured and covered with long black hairs. Head black, 

 subtriangular, slightly longer than broad. A bik)bed spot between the antennae, 

 a narrow line in the sinus of the eye, a linear spot behind each eye superiorly, 

 clypeus except a central bilobed, trefoil or lozenge-shaped black spot, and mandi- 

 bles, except the edges, which are black, white. Antennae entirely black. Thorax 

 black ; collar, a spot beneath the wing and two lateral spots on the scutellum 

 white. Post-scutellum and metathorax black. Tegulae white, daubed with fer- 

 ruginous. Wings hyaline, nervures brown. Legs : coxae, trochanters and femora, 

 except tips, black; tips of femora, tibiae and tarsi honey yellow. First segment 

 of abdomen entirely black. Second segment with a very narrow interrupted 

 white border, becoming wider laterally. Third segment black, broadly bordered 

 apically with white, having three indentations. Fourth and fifth segments 

 black, very broadly bordered with white, with two rounded lateral indentations: 



