Memoirs on the coleoptera

354
MEMOIRS ON THE COLEOPTERA
nearly as in snowi, except that the short hairs, which are less dense and
more easily denuded, are wholly cinereous, disposed in two feeble subbasal
fasciae, then a broader one and thence in three broad subequal
transverse spots, not attaining the carina, through the remainder of the
length to the apex, the depressed sutural area cinereous, the integument
under the fasciae pale; apices as in snowi but more obliquely truncate;
legs much more sparsely clothed. Length 12.5 mm.; width 3.8 mm.
New Mexico (Magdalena Mts.), Snow.
The type is probably a male, as the fifth ventral is truncate, but
the antennae are more as in the usual female. It differs from
snowi very much in the form of the prothorax, more slender antennae
and wholly cinereous elytral vestiture. The type was sent to me
as ornata, var. lutosa, as was also the type of snowi, but they are
very far from being that species or in any way mutually identical.
In my opinion the species described by LeConte under the name
infausta, is identical with decora Oliv., the figure of the latter given
by Laporte and Gory having accidentally
lost the median fasciae
of the elytra; it is distributed from Georgia to Kansas, Nebraska
and New Mexico, as shown by the series in my cabinet and does
not vary in its sharply outlined elytral fasciae, six or seven in num-
ber, any more than the notably constant robinia; it is an entirely
distinct species from cliara Say. The following is an allied species,
which is however distinctly different:
Cyllene angulifera n. sp. Much narrower than decora (infausta Lee.)
and more convex, pale reddish-brown in color throughout perhaps somewhat
immature, though with no additional evidence of immaturity than
the pale color; head with the raised interantennal surface indistinct
and feeble, broadly triangular; antennae (9) filiform but rather stout,
barely one-half as long as the body, the second joint fully one-half as
long as the third, which is as long as the fourth and somewhat thicker,
both much shorter than the fifth; prothorax nearly one-half wider than
long, the sides parallel, evenly and strongly arcuate, feebly sinuate at the
base, the basal constriction laterally very feeble; surface finely, evenly
sculptured and with close, dusky-cinereous pubescence, crossed by three
entire cinereous-white fasciae, the anterior separated from the second by
twice the distance separating the latter from the basal fascia; elytra
with fasciae as in infausta, except that they are wholly cinereous in color,
that the third is much more sharply and posteriorly angulate and that
the fifth is continuously transverse, not broken at the carinse, the latter
being obsolete; apices obliquely truncate, not dentate; abdominal
segments less pubescent basally and along the
slender. Length (9) 13.0 mm.; width 3.8 mm.
middle; legs
Kansas.
short and
To be known at once from decora by its narrower, more convex
form, subobsolete constriction of the prothorax, barely traceable