214 J. L. LECONTE, M. D. 



Prothorax quadrate sparsely punctured, elytra more densely punctulate ; 

 spurs of hind tibise more slender and acute; % third, fourth and fifth 

 ventrals more densely punctured, feebly impressed ; 9 abdomen sparsely 

 punctured; front tarsi with long erect hairs; 7.5 — 11.5 mm.; Georgia. 



9. punctnlata Lee. 

 {Type). — Black, upper surface brownish-yellow, elytra with a black stripe'. 

 a. — Pale yellow, antennae black, tarsi dusky; flavipennis Uhler. 

 5. — Prothorax transverse, almost ovate, sparsely punctured, fulvous; under 

 surface dull testaceous, sparsely punctured ; head fulvous, antennge, tibife, 

 tarsi and elytra black ; maxillae two- thirds as long as the body; % fourth 

 and fifth ventrals broadly impressed and with median tufts of hair; 

 sixth cleft to the base; 9 front tarsi with erect hairs; 7 — 10 mm.; 



N. Mex.; Cala 10. nigripeniiis Lee. 



a. — Fulvous, antennae, etc., knees, tibiae and tarsi black. 

 Prothorax transversely oval, yellow, usually with two dark spots, ab- 

 domen sparsely punctured, sometimes testaceous, strongly not densely 

 punctured, neck yellow, rest of the body black; maxillae about one-half 

 the length of the body; % ventrals (except the first), impressed, and 

 with median tufts of hair, sixth emarginate to the base; 9 front tarsi 

 with short erect hairs; 6.5 — 7.5 mm.; Middle, Southern and Western 



States , .....11. neinoreiisis Hentz.. 



6. — Prothorax transversely suboval, not densely punctured, fulvous, elytra 

 strongly not densely punctured, fulvous, with a wide black stripe, some- 

 times wanting, sometimes reduced to an apical blotch; rest of the body 

 black, ventral segments sometimes testaceous; maxillae as in nemorensis ; 

 % fourth and fifth ventrals impressed, and with median tufts of black 

 hair; 9 front tarsi with short erect hair; 6.5 — 8.6 mm.; Middle and 



Western States to New Mexico 12. cribraria Lee. 



Prothorax transversely suboval, strongly and densely but not coarsely 

 punctured; elytra similarly punctured; fulvous above, black beneath, 

 front of head, scutel and margins of elytra black; maxillae as in nemo- 

 rensis ; % ventrals (except the first), impressed, and with median tuft& 

 of hair, sixth triangularly emarginate; 9 front tarsi with ordinary 



pubescence; 5 — 8.5 mm.; Cala.; Utah 13. scutellaris Lee. 



* * Palpi longer and Tnore slender, not hairy but only pubescent ; viandibles moi-e 

 slender ; maxillce less than one-half the length of the body ; spurs of hind tibiae broad, 

 obtuse; 9 ffont tarsi pubescent, without erect hairs; Nemognatha gen. 



Prothorax longer than wide, narrower in front, shining, not densely punc- 

 tured 2. 



Prothorax wider than long, subquadrate, strongly and densely punctured. ..3- 



2. — Elytra very sparsely and coarsely punctured, prothorax nearly smooth ; 



color greenish-yellow, antennae, knees, tarsi and tips of tibiae black : 



% ventral segments not impressed, sixth triangular, acutely cleft; 8 — 



10 mm.; Ks.; Col.; N. Mex.« 14. iinmaculata Say. 



Elytra densely strongly punctured, prothorax nearly smooth, very sparsely 

 punctured; % SiS in immaculata ; 9.5 — 14 mm.; Arizona. 



15. puuctipenuis n. sp. 



*The head is obliquely and rapidly narrowed in front of the eyes, and the 

 mandibles are much less curved then in the other species, thus making the 

 mouth narrower and more acute. 



