130 



the band dilated at the sides and continued down the base of the pleura 

 and more narrowly down the apex, the base of pronotum, the line dilated 

 at the sides, the large tegulae, a large mark, dilated above on the base 

 of the mesopleurae, and the abdomen except for a longish broad line on 

 the basal two-thirds of the first segment in the center, a band reaching 

 close to the middle of the second, and one on the basal fourth of the 

 third segment, lemon-yellow. Antennae black, the scape yellow, the fla- 

 gellum brownish below. Wings hyaline, the stigma testaceous, the nervu- 

 res black. Legs len on-yellow, the four front coxae behind, the posterior 

 except for a large mark in the center, on the inner side above, the mark 

 continued more narrowly along the apex of the inner side and along the 

 middle below, basal joint of trochanters, broad lines on the femora, on 

 the sides and below, the apical third of the tibiae and the apical joints 

 of the tarsi, black. Male. Length 10 mm. Taken during July in Ormsby 

 county, Nevada. 



Smooth, the mesonotum closely, minutely punctured, covered with a 

 minute pile. Scutellar spine long, curved, about four times longer than 

 its width at the base and fulvous colored. Areolet large, the nervures 

 uniting in front, the second bent on the lower side; the recurrent nervure 

 is received near the apex of the basal third. Clypeus narrowed in front, 

 the apex bilobate but not deeply, the lobes rounded, the middle above 

 depressed. Metanotum depressed at the base, the furrow of the depresson 

 closely striated ; the sides of the apical slope are bounded by a stout 

 keel. 



Conies near to B. xpinnsus Cr., Viut quite distinct. B. superhus C'r. has 

 not a long scutellar spine. 



4o48 Banchus tricolor sp. nov. 



Black, tlie face exce])t the black line, narrowed gradually below, the 

 top rounded and united to a mark between the antennae, the orbits 

 broadly, the mesonotum except for a broad line down the middle exten- 

 ding shortly beyond the apex and the sides which are brown; the scute- 

 Hum except at the apex, post-scutellum in the middle, the metanotum 

 except the top and bottom which are brown tubercles, a broad band of 

 equal width down the base of the mesopleurae, a large somewhat pyri- 

 form mark — the broad end above — in the center of the nietapleurae, and 

 the apices of the abdominal segments, lemon-yellow; the central part of 

 the latter brown. Legs yellow, the femora largely, apex of tibiae broadly, 

 and the apices of the tarsi, tinged with fulvous. Antennae black, the 

 scape yellow, the flagellum brown below. Male. Length 10 mm. Taken 

 during July in Ormsby county, Nevada. 



Scutellum broadly rounded, not much raised, neither spined or tuber- 

 culated. Thorax closely punctured, the median segment more strongly 

 than the rest. The latter has an oval depression or fovea in the center of 

 the apical part; the middle of the apical slope is stoutly keeled. The 

 transverse cubital nervures converge in front but do not meet; the re- 



