READING PUBLIC MUSEUM AND ART GALLERY

162 THE TRIBE ONCIDERINI
hoary pubescent, with n brown vitta each side of middle; eye narrowly margined
posteriorly with deep orange, the mnrgillul line below traversing gena and attaining
base of mandibles. Pronotum with three narrow, subequai, orange vittne at middle,
one median on anterior half and one each side of middle a little broader basally,
sides broadly vittate with hoary, the vitta somewhnt divided basally by an indistinct
brown line, oblique, tinged with orange above anteriorly. Scutellum brown, the
hll5si angles hoary. Elytrll brown puent, at extreme base maculata with hoary,
basal half, especially toward sides of d.iEk, vitiate with deep orange. the vitt4le
margined irregularly with hoary, just before very center of each disk a rounded,
distinct, whit.e macula, from which extends posteriorly and laterally a very indistinct
fascia of hoary, behind this is a broader ob lique band of brown, not very distinct,
apical portion variegated with hoary and orange. Body beneath and legs fuseous,
thinly hoary pubescent, variegated with orange and brown; abdomen with a row
of white dots each side between middle and margin, maculae very minute on first
two sternites, distinct on third, large and variegated with orallge on fourth, entire
middle portion of fifth white and orange; tarsal claw segments concolorous. An­
tennae fuscous, dark brown pubescent, mottled with hoary, bases of segments from
fifth hoary pubescent, sixth, eighth, and tenth more broadly so; scnpe variegated
with orange pubescCllcc :ls well as hO:lry.
Hend minutely alutacCQus, with a median imprCE:ed line from occiput to epis­
toma ; front slightly elongate, not narrowed above, broadly concave between an­
tennal tubercle5, minutely, densely J)unctnte, with conn:cr punctures nenT eye, each
side more or less distinctly linearly impressed j genae slightly vertical, minutely
punctate; eye with lower lobe ovate, one and onreurth times the height of gena;
Imtennal tubercles prominent, well separated, robust, at apex shortly, acutely den­
tate. Pronotum transverse, sides nearly parallel, narrowed at apex, lateral tubercles
small, placed far down on sides and nearly at the middle; apical transverse sulcus
narrow, basal one trisintlous, deeper at middle and at sides, coalescent with the
deep, broad lateral oblique ones; disk at middle with a broad, triangular tubercle,
each side strongly tumid, tumescences nearly circular, only obsoletely, transversely
impressed. Scutellum transverse, sides stmight, oblique, apex broadly rounded.
Elytm with sides expanded behind middle, then tapering to apices, whch are each
angularly rounded; basal gibbosity broad, feebly elevated, entire base coarsely, ir­
regularly, not densely punctate, behind middle more sparsely and finely so, obsolete
before apex; humeri prominent, anterior margin strongly rounded, angle with a small
tubercle, from which an obsolete, punctate carilla extends posteriorly to middle of
elytron. Prosternum simple, widened. strongly at middle, then gmduaHy so posteriorly.
Procoxae tumid behind, anteriorly with a broad, obtuse tubercle; femom.
robust, strongly clavate, profemora not rugoi:C. Fifth sternite one-half longer than
fourth, ape."-: broadly and deeply emarginnte, at middle n bro.'ld feeble impression.
Antennae about as long as body, fimbriate beneath to apeX j seape slender, clavate
on apical half, more strongly so internally, not rugose; third segment one-half again
as long as first, feebly sinuous; fourth slightly shorter than third, fifth much shorter
than fourth, rest subcqual.
LENGTH 13 rom.j width 5 mm.
Holotype.-Female; Puyo, Oriente, Ecuador ; December 12,
1936; (W. C. MacIntyre) ; [L. Lacey].