OF WASHINGTON. 59 
tinctly between the interspaces, feebly at the apices of the elytra, on the 
pygidium and in the larger surface punctures, often nearly wanting. 
Head moderately sparsely finely but distinctly punctulate. Rostrum 
three-fourths as long as the thorax, slender, strongly compressed, moder- 
ately dilated at base, a little stronger over the scrobes, gradually feebly 
dilated toward apex; moderately arcuate, more strongly and nearly 
equally on the posterior margin; on the anterior surface protuberant at 
basal fourth, nearly straight on middle half and more strongly curved and 
compressed at the apical fourth ; apex rounded anteriorly, obtusely angled 
posteriorly; surface finely sparsely punctulate; punctures larger and 
stronger at base, which is deeply narrowly channeled with interocular 
puncture well defined. 
Thorax nearly one-fourth longer than wide, moderately constricted at 
apex, vittae broad, strongly elevated, entire, subparallel; lateral broadly 
branched; intervals coarsely, densely punctate, transversely subrugose in 
some individuals. Scutellum elongate, broadly concave. 
Elytra deeply striate, striae interrupted by moderately large rounded 
punctures, 20-24 on the first two discal striae; intervals rather feebly alter- 
nate in width and in convexity, the first, third and fifth finely feebly punc- 
tulate, first and third biseriately, fifth biseriately only at base, the other 
intervals scarcely less elevated, also polished black, distinctly and finely 
uniseriately punctate. Pygidium sparsely coarsely and deeply punctate, 
with short yellowish white hairs and with the usual apical tufts pale 
yellowish. 
cf . Ventral surface less coarsely punctate than in costipennis; proster- 
num sparsely punctate, last segment more coarsely. Metasternum and 
first ventral segment broadly feebly concave, metasternum with a few short 
dark brown hairs each side of the posterior margin, first ventral with a 
broad longitudinal row each side, converging posteriorly. 
9 . Ventral surface much more finely punctate, the punctures very fine 
and sparse on the prosternum and middle of the first to fourth abdominal 
segments. 
The sexes do not differ in size or in general appearance. 
Length, 10-11 mm., width, 3.6-4.2 mm. 
Salt Lake City, Utah, June 14 (Hubbard and Schwarz). 
Type. No. 8230, U. S. National Museum. 
Readily distinguished from costipennis by the nearly total 
absence of natural alutaceous coating, the deeply punctate, 
scarcely costiform elytra, pale pygidial vestiture and the larger 
tufted areas in the ventral concavity of the cT. 
Sphenophorus maidis, new species. 
Body two-fifths as wide as long, of robust appearance because of the sub- 
quadrate thorax which is nearly as wide as the elytra; general color black 
or piceous, moderately shining; alutaceous deposit on unelevated surfaces 
