224 
WILI>IAM G. DIETZ, M. I). 
strife finely impressed, excejit near the base; punctures small, elongate and not 
closely approximate; intra-linmeral spot and scutel densely white pubescent, 
apical half of tibia and tarsi paler. Long. 2.1 — 2.5 mm.; .08 — .10 incli. 
7/tf6. — Los Angeles, Cal. ; Arizotia ; Colnnihus, Texas. Coll, of 
Mr. E. A. Schwarz and IMr. A. Bolter. 
Varies somewhat in the teneous lustre; some specimens have the 
first two joints of the funicle a little longer than in others. 
\. labor n. sp. — Stout, snbovate, pitchy-black and rather densely clothed 
with coarse, grayish white i)ubescence. Beak not very slender, snbopaqne and 
rather coarsely striato-pnnctate, median carina obsolete pubescent at the base. 
Antemife moderately stont, rnfo testaceous, clnb dusky; second joint of funicle 
longer than the third. Eyes convex, free behind. Head convex, finely rngu- 
lose, with a few, very small punctures; front with an ill-defined longitudinal 
snlcns and more densely pubescent. Prothorax about one-half wider than 
long, strongly narrowed in front, base bisinnate; sides strongly rounded, apex 
feebly constricted; surface coarsely and rather densely punctured: pubescence 
more dense on the sides and along the median line. Elytra fully one-third 
wider than the prothorax at base, broadly snbovate, less than one-half longer 
than wide, and a little wider behind the middle ; strife wide and deeply ini])re.ssed, 
punctures large, rounded and very closely ])laced ; interspaces convex, finely 
rugose, two rather broad and ill-defined lin,es of condensed pubescence extend- 
ing from the sides to about the third interspace, where they coalesce; the space 
included between these two lines is but little less pubescent than the rest of the 
surface ; under side punctured. Legs and tarsi less slender, rufo-piceous ; femora 
moderately clavate, all armed with a small, acute tooth. Long. 2.5 mm. ; .10 
inch. 
Hab. — Texas. Coll. A. Bolter ami my own. 
Resembles xanthociiemus in size and general sculpture, but is a 
little more robust, antennse stouter, joints 3-7 of funicle short; the 
pre.sence of a ])artially denuded elytral fascia surrounded by lines 
of pubescence and different coloration of legs. 
A. effetus n. sp. — Snhovate. pitchy-black, rather densely clothed above and 
beneath with grayish white or yellowish, suberect, squamiform pubescence. 
Beak slender, curved, more densely punctured from base to about the insertion 
of the antennse, more remotely punctured and shining toward the apex, with 
three elevated lines, spar,sely pnbe.scent. Antemife rather slender, rnfo-testa- 
ceous, club dusky ; second and third joints of funicle equal. Eyes convex, not 
free behind. Head coarsely and closely punctured ; front flattened, with a long, 
sharply im]>ressed longitudinal line. Prothora.x wider than long, not strongly 
narrowed anteriorly, sides broadly rounded from the. base, constricted at the 
apex and tninsversely impressed behind the anterior margin, base bisinnate; 
surface densely and finely punctured ; the pubescence is a little more condensed 
along the median line and on the sides. Elytra one-fourth wider at base than 
the jirothorax and a little wider behind the middle than at base, rather coarsel.v 
strifito-punctate, punctures large and rather close; interspaces convex, punctu- 
