H. C. FALL. 127 



the post-sciitellar patch, however, occurs very rarely. The tliree 

 form the vertices of an equilateral triangle, which is (juite conspicu- 

 ous in well-preserved specimens. 



28. A curticorne n. sp. — Black, ratlier sparsely jmbesceTit. Beak strong, 

 cylindrical, as long as the head and prothoi'ax ( % ), noticeably longer ( J), jmnc- 

 tures strong, rather coarse, and more numerons at the sides; tip polisluMl. First 

 joint of antennffi short, barely equal to the next two, second, thii-d and fourth 

 subeqnal, third not reaching the eye ( % ), fourth scarcely so ( 9 )• Front a little 

 wider than the tip of the beak, not sulcate, with two rows of punctures bearing 

 scale-like hairs; eyes moderate, not prominent. Prothorax a little wider than 

 long; a])ical constriction well marked ; sides nearly parallel in basal three-fifths; 

 posterior sinuation scarcely evident; surface rather coarsely, not clostdy {)unc- 

 tate ; basal fovea small, punctiform. Elytra about one-half longer than wide, 

 widest at the middle ; humeri moderate; intervals rather wide, convex ; ])unctu- 

 ation beneath rather coarse, not very close. Length 2.4 mm.; .09(J inch. (PI. 

 Ill, figs. 4 and 4a). 



% . .Sutural angles rounded. 



9 . Sutural angles not rounded. 



Described from a single {)air, the male collected by Mr. Schwarz 

 iu Southern Texas (San Diego), and now in the collection of the 

 U. S. Department of Agriculture ; the female in my own collection 

 from Texas without definite locality. The metasternum bears near 

 the middle of the posterior margin an obtuse tubercle, which is not 

 in the least emarginate at the summit, or geminate, as is the case in 

 sordid am. Certainly very closely related to the following species, 

 but apparently distinct by the characters mentioned in the table, 

 also by the larger prothorax, stouter beak, and the less basally 

 inserted antenme. 



29. A. sordidiiiii Smith. — Form variable, black, never in the least aeneous ; 

 pubescence sparse, generally more or less squamiform. Beak cylindrical, not 

 appreciably dilated, subequal to the head and prothorax ( % ), or somewhat longer 

 ( 9 ). usually quite strongly punctate, especially at the sides, where the punctures 

 tend to arrange themselves in series; surface alutaceous as far as the insertion of 

 the antennse, apically polished, or at least shining to a variable extent. Front 

 narrow, scarcely wider tban the tip of the beak, not sulcate, but with two con- 

 spicuous lines of strong punctures, which are occasionally subconfluent; eyes 

 moderately or not at all prominent. Basal joint of antennae equal to or a little 

 shorter than the two following, third joint visibly longer than the fourth, second 

 or third reaching the eye. Prothorax usually a little wider than long; base only 

 very slightly wider than the apex; sides subparallel; surface clos61y punctate 

 with small basal fovea. Elytra more or less ventricose ; humeri varying from 

 nearly wanting, to a moderate development; sides rather strongly diverging to a 

 little behind the middle ; striae deep, grossly punctate ; intervals convex, narrow 

 or moderately wide. Beneath rather coarsely, but not closely punctate ; meta- 

 sternum with a geminate tubercle near the posterior margin ; legs not stout ; 



TRANS. AM. ENT. SOC. XXV. OCTOBER, 1898. 



