52 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 97 
and anterior margin, sparsely clothed with rather long, inconspicuous, 
erect, silvery white hairs. Scutellum densely clothed with recumbent, 
white hairs. 
Elytra at base as wide as pronotum at middle, extending to middle 
of second abdominal sternite, slightly dehiscent along sutural margins, 
and broadly rounded at apices; surface glabrous, coarsely, densely 
punctate along lateral margins, sparsely, indistinctly punctate on 
vitreous areas. 
Abdomen very long, slender, and cylindrical, twice as long as rest of 
body; beneath sparsely, finely punctate, sparsely clothed with short, 
erect, black hairs, the last visible sternite flattened and more densely 
pubescent. Prosternum, mesosternum, and metasternum rather 
densely clothed with long, erect, white hairs and with patches of 
dense, recumbent, silvery-white pubescence. Posterior legs long and 
slender; femora abruptly clavate at apices, the posterior pair extend- 
ing to the middle of third abdominal sternite. 
Length 19 mm., width 2 mm. 
Type locality—Tela, Honduras. 
Lype.—U.S.N.M. No. 57677. 
Remarks.—Described from a single male collected April 25, 1923, by 
S. C. Bruner. 
This species can be distinguished from the other described species 
of this genus by its very long and cylindrical abdomen. 
ODONTOCERA AUROCINCTA var. NIGROAPICALIS, new variety 
This variety differs from the typical form of aurocincta Bates as 
follows: Intervals between the coarse punctures on the front of head 
finely and densely punctate, pubescence on pronotum, scutellum, and 
sternum silvery white, pronotum widest at the middle, with the sides 
regularly rounded, and the apical halves of the middle and posterior 
femora black. 
Length 19 mm., width 2.5 mm. 
Type locality—“La Gloria, Cardel, V. C., Mexico.” 
Type—U.S.N.M. No. 57678. 
Remarks.—Described from a single female collected during July 
1937 by J. Camelo G. 
Genus ISCHASIA Thomson 
ISCHASIA EXIGUA, new species 
Male.—Elongate, strongly flattened above, subopaque; head, pro- 
notum, scutellum, and body beneath black; antennae and legs brownish 
yellow, except posterior femora, which are yellowish white at bases. 
Head without a distinct snout, coarsely, deeply, confluently punc- 
tate on occiput, sparsely clothed with short, inconspicuous, erect hairs; 
eyes large, deeply emarginate, contiguous on the front. Antenna ex- 
