•110 [August 



front. Wings subliyaline, tinged with yellowish, the costa, from the 

 base of the first submarginal cell to the apex of the wing, fuscous ; ner- 

 vures honey-yellow. Legs black ; extreme tips of the femora, and the 

 tibiae, except the two anterior pairs within, yellow ; tarsi honey-yellow. 

 Abdomen shining, closely punctured, the basal segment depressed ; the 

 first five segments above each with an entire subapical, bright yellow 

 fascia, that on the first segment very slightly interrupted in the middle, 

 that on the second slightly dilated in the middle; apical segment im- 

 maculate, the dorsal surface oblong, opaque, the apex obtuse, the cari- 

 nated sides fringed with fuscous pubescence, the sides of the segment 

 deeply excavated; beneath black, shining, immaculate, each segment 

 with a deep longitudinal depression on the apical middle, and their 

 apical margins with deep scattered punctures. Length 6 — 7 lines j 

 expanse of wings 10 — 11 lines. 



Bah. — Rocky Mountains, Colorado Territory. (Ridings.) Coll. Ent. 

 Soc. Philad. 



Two 9 specimens; % unknown. 



5. Eucerceris cingulatus, n. sp. 



Black; face, line between antennae, mandibles, spot behind the eyes, collar, 

 tubercles, postscutellnm, spot beneath the wings, breast, legs, and entire bands 

 on abdomen, above and beneath, yellow; wings stained with yellowish. 



Male. — Black, shining, thinly clothed with pale pubescence; head 

 closely and finely punctured ; face, elypeus, mandibles except tips, 

 frontal orbits, a line between the antennte, and a spot behind the eyes 

 near their summit, lemon-yellow ; antenna? black, the scape yellow be- 

 neath. Thorax above shining, with rather deep, sparse punctures, the 

 pleura closely punctured ; a line over the collar, tegulfe, line on post- 

 scutellnm, spot beneath the wings, and most of the breast between the 

 four anterior coxfe, lemon-yellow; metathorax densely punctured, 

 opaque, the enclosed basal space a little shining, covered with fine 

 transverse, or slightly oblique striae, and with a deep central longitu- 

 dinal channel. Wings stained with yellowish, especially on the costa; 

 nervures honey-yellow. Legs lemon-yellow ; the coxae, trochanters 

 and femora within, black; tarsi tinged with honey-yellow. Abdomen 

 with a continuous, lemon-yellow, subapical fascia on each segment, ex- 

 cept the last, that on the second broadest and transversely emarginated 

 in the middle anteriorly ; apical segment immaculate. sub(juadrate. 

 the carinated lateral margin ending in a divergent acute tooth on each 

 side at tip ; beneath shining, the second and three following segments 

 each with ;i broad lemon-yellow band, broadest on the second segment. 

 Length 62 — Gi lines; expanse of wings 9] — lOJ lines. 



