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LAWRENCE S. DILLON AND ELIZABETH S. DILLON 41
irregularly clothed with somewhat brighter fulvous-brown pubescence; abdomen
medially fuscous, thinly puhescent, laterally broadly vittAte with fulvous-brown.
Legs fuscous, thinly fulvous-brown pubescent, mctsfemora medi:111y indistinctly
annulate with darker brown; tarsi entirely, finely gray pubesceut. Antennae dark­
reddish brown, bases of segments from fourth narrowly roseate, scape fuseom;
proximal three segments and roseate bases of others gray pubeseent, apical portion
of fourth and following covcred with nne brown pubescence.
He3d minutely puncta.te, wilh a fine median line from occiput almost. to
episterna; front comparatively wide and concave between antennal tubercles, sides
grodunlly widened bclow, minutely and densely punctate, with finc punctures interspersed;
genae elongate, vertical, punctate as front; eye with lower lobe broadly
oblong, short, not quite equal to gem). in height ; antennal tubercles feebly elevated,
small, well separated, apices acute nnd not dentate. Pronotum transverse, sides
strnight, tapering to apex, uD9.rmed; apical transverse sulcus brand, shallow, basal
one narrower, joining t.he indistillct, latcrll.\, oblique sulcus each side; disk finely
punctate across base, with fIVe smull but prominent tubercles, median one longest,
most lateral ones least elevated, slightly oblique. Scutellum transverse; sides
slightly rounded, feebly oblique; apex broad and arcuate. E1ytra with sides almost
parallel behind humeri, after middle gradually, arcuately narrowed to apices, which
are separately ronnded; gibbosity of base prominent, nearly eireubr in outline,
irregularly granulate-punctate, the punctures coarse, the granules feeble, basaUy
more distinct, re:.;' of oo.se behind usual smooth space more finely and sparsely
punctate, a row {If coarse Olles between gibbosity and suture, punctures more
obsolete behind middle; humeri prominellt, anterior margin straight, somewhat
oblique, angle with a In.rge, prominent tubercle, behilld which the sides arc straight,
slightly tapering, alld briefly carinate; sides below and behind humeri very coarsely,
densely punctate to middle, punctures thence strongly obsolescent. Prosternum
simple, rather Il!Lrrow. Procoxo.e slightly tumid behind, allteriorly with a very
small tubercle; femora ci.n.vate, the rncsofemora most strongly so, profemora elongate,
not at all rugose; metatibiac not mucll enlarged apically. Fifth sternite twice
length of fourth, apex truncate, apical impre5sion broad and shallow, basally
becoming linear and more distinct. Antennae distinctly longer than body, sparsely
fringed beneath on proximal five segments; scape slender. gradually cl:tvate apically
Irom bcfore middle, not rugose; third segment distinctly, but not. strongly, bisinuose.
LEKQTH 15.5 mm.; width 6.5 mm.
Type locality.-Ega, Brazil.
Distribu.lion.-Amazon Valley of Brazil.
BRAZIL : "' ; Santarem; [C.M.J.
Hypsioma inornata Thomson
PLATE II, FIGURF. 15.
Hypaioma inornata Thomson. Physis, II, 1868, p. 49.
Head, pronotum, and basal fourth of elytra black, rest of elytra
dull olive green j humeri projecting, with an ungulate carina j clytra