READING PUBLIC MUSEUM AND ART GALLERY

30 THE TRIBE ONClDERINI
fifth: seape robust, gradually clavate, more strongly SO 3fter middle, bene.'tth at
base coarsely, transversely rugose; third segment only slightly longer than first,
strongly bisinuate; eleventh subequai to tenth, with a slightly curved, long prow
cess at tip.
LENGTH 15 mm.; width 6.7 mm.
Type locality.-" Brazil' "
Distribution.-Nol'thern Brazil and the GniaDns.
BRAZIL: &, 2; no locnlity data; [M.C.Z.J. &, 2; Para; [C.M.] .
FnENCH GUIANA: 3 &, 2 2; Cayenne; [IVLC.Z.] .
Hypsioma chaseba Dillon and Dillon , spec. nov.
PLATE II, FIGUlUo: 7.
Close to H. ncsiOlJe but elyt1'a with sides not vittate ; humeri
more projecting, with a rounded tubercle at angle ; procoxac with
n feeble, obtuse tubercle ; metafemora and metatibiae not distinctly
annulate; abdomen medially da.rk bI'own pubescent ; the elytral
mottling sparse and distinct, more as in H. constellata.
: V[ALE. Elongale-ovate, rather robust ; fucou£, densc\y hoary or pale fulvous­
gray pubescent on head, pronoturn, scutellum, and basal sixth of elytra. Heat! with
six short, brown vittae, one each side of middle and two less distinct ones behind
each eye; front largely dark brown pubescent, slightly variegated with pale fulvous
or hoary, usually bimaculate at center. Pronotum tinged with brown-fulvous
mcxlially, sometimes cOIll'S(!ly moWed with dark browlI and basally finely dotted
with this snme color; lnterally near baS.'l1 anglc a broad, shor vitta of white or
hoory pubescence, not reaching beyond middle. Scutellum medially and clytral
base tinged more or less strongly with brown-fulvous; elytra largely dark brown
pubescent, sparsely sprinkled with numerous, fine, hoary dots and slightly varie­
gnted irregularly with the same color. Body beneath reddish-brown to fuscous,
sparsely honry pubescent medially, toward sides fulvous or ashy; metasternum
laterally and mctepisternum dark brown pubescent, the latter maculate at apex and
at base with fulvous or ashy ; abdomen fuscous, sp3.rsely, deep brown pubescent,
with single white setae scattered over entire surface, eMh side broadly vittate
with ashy or fulvous; vitta· nearly wanting on first. sternite, entirely wanting on
fifth. Legs fuscous; femora with posterior faces largely hoary pubescent, the
anterior faces dark brown pubescent, with single scattered white hairs, bases and
3.pices narrowly fulvous, 3.nd two sm3.U macul3.e toward apex of each femur, fulvous,
but not fonning an annulus; tarsi d3.rk brown, uniformly covered with brown and
bo3.ry variegated pubescence. Antennae dark reddish-brown, scape fuscous; densely
covered with d3.rk brown pubescence; the second segment, basal two-thirds of third,
and b:tSCS of following narrowly annulate with fulvous-gray; scape fulvous or
£ulvous-gmy, an il'l'cgulnr basal annulus and the apex, dark brown, the latter en­
closing a large fulvol,1s-gmy macula.
Head above minutely, densely alutaceous, with a median impressed line from
occiput to epistoma j front elongate, much narrowed between eyes, n3.rrowly con-