READING PUBLIC MUSEUM AND ART GALLERY

110 THE TRIBE ONClDERINI
half; prot-arsi feebly dilated. Antennae with only five and one-half sea.,ments on
riht antennae aDd five on left, rest missing; seape robust, feebly arcuate, gradually
clllvllte, reaching only to apical third of prOllotum, slightly flattened and rugco;c
laterally on basal third, remainder of surface finely, densely PUllct{lte; third seg
ment SinUBtc, slender, about one-fourth longer than $Capc; fimbriate on first, third,
and fourth segments.
LENGTH 9 mm.; width 3.75 mm.
Holotype.-Male, Province del Sara, Bolivia ; (Steinbach) ;
[C.M.].
AENEA'Dillon and Dillon, gen. nov.
Closely related to Euthima, differing by having the front rather
broad, elongate, slightly narrowed below middle ; gena vertical,
extending slightly along front margin of eye j eye with lower lobe
small, two-thirds the height of gena; pronotum a little more conicnI
in outline j humeral carina of uniform width throughout its
length, below which is a second carina nearly reaching apex j scape
much less robust.
Small, eIong3.te-ovatc, robust. Head with front elongate, rothcr broad, wider
at- lower IlliIrgin of eye, tbence narrowed to epistolllll.
; gena elong-3.te, narrow, verti­
cal, extending slightly along front m3.rgin of eye; eye with lower lobe ovate, slllall,
two-thirds as long as gena ; nntenn1 tubercles slightly prominont, well separated,
in female nrinutely produced at npex. Pronotum transverse, more or less conical,
sides only slightly arcuate, unarmed, base wider than apex; disk without distinct
tubercles. Scutellum t-ransverse. Elytra gradually tapering to apices, which are
separately rounded; disk on ba8al half coarsely, rather densely punctate, basal gibbosity
broad, indistinctly elevated ; humeri prominent, not tubcrculate, with a
strong carina to beyond middle, of equal width throughout, below which is a finer
one rC:lcrnng nearly to apex. Prosternum simple, widened posteriorly ; mesosternal
process short, brood, sides feebly emarginate, ape.,< deeply so. Legs rather short;
procoxae globose, unarmed in female ; femora clavate, moderately robust. Antennae
as long as body (female) ; scare rcaching nearly to nriddle of pronotum, gradually
clavate from basal one-third, distinctly arcuate; third segment moderately bisinuate,
one and two-fifths times as long as first; fourth as long as 8cape, rest shorter; elev­
enth about as long as tenth (female).
GENOTYPE.-Plerodia conspersa Aurivillius.
Aenea conspersa Aurivillius
PLoAT£ V, FlOURS 11.
Plerodia c07/8Per$a Aurivillius, Tijd. Ent., LXV, 1922, p. 164.
FEMALE. Elongate-ovate, robust, subcylindrical; dark reddish-brown to fus­
COUSj irregularly covered with white and ochraceous pubescence, mottled with dark