READING PUBLIC MUSEUM AND ART GALLERY

14 THE TRIBE ONClDERINI
broad, or even slightly transverse, very slllall, less tlliln half the height of gena;
antennai tubercles prominent, ending in II. long, very acute horn nt apex. Pronotum
transverse, sides straight, oblique, tapering to apex, unanlled; apical and baS3l
transverse sulci shallow, not distinct, lateral oblique ones obsolescent; disk more
or less tumid, with a fecble, elongate, median tubercle ilnd a much stronger and
broader one each side, these lateral ones traversed by an oblique, linear impression,
entire disk coarsely, but not densely, punctate. Scutellum st.rongly trnnsverse,
sides rounded, narrowing slightly behind, apex broadly arcuate. Elytra with
sides straight, moderately tapering to apices, which are separately rounded; base
toward suture each side with an elongate, moderately distinct gibbosity, which
is sparsely and nnely punctatc, rest of disk very sparsely, fincly punctate, p'lncta·
tion behind gibbosc portion uulllly obscured by pubescence; humeri strongly
projootillg and elevated, the antenor margin straight Ilnd strongly oblique, the
po,sterior margin rounded, concave, surmounted by a very strong, oblique crest,
running from the angle hilifway to suture; sides below and behind humerus, as
weH tiS posterior fnce of humeral crest, coarsely and sparsely punctate. Prosternum
narrow, simple. Procoxlle very large, anteriorly with a robust, short uncus;
femora clavate, profemora robust, cylindrical, constricted slightly medially, in­
distinctly but conrsely rugose beneath; metatibine widened gradunily to apex, not
swollen. Fifth slemile distinctly longer than fourth, apex broadly arcuate.
Antennae one-hnlf longer than body, finely fimbriate bli'neath only on third and
fourth segments ; seape short, robUBt, Obcollieal, beneath on basal haii coarsely,
transversely rugose; third segment slightly arcuate basally, straight at apex ;
eleventh subequnl to tenth, arount.e, without apical process.
Fi:UALE. Antennal tubercles- apically with short, blunt teeth ; proeoxac smaller,
anteriorly ull1l.rmed; profcmorn robust, cl:w:l.te, not rugose beneath, metatibiae
not densely setosc; fifth sternite twice length of fourth, broadly but shallowly,
triangularly impressed, npc.x retuse.
LENGTH 12.5-21 mm. ; width 5-9 rom.
1'ype locality.-Brazil.
Distribution.-Brazil and the Guianas.
BItAZIL: 55, 32; no locality data; [35, 32 M.C.Z.; 5, 2 !I-'Iinn U.]. 25;
Rio de Janeiro; November-December; [C.M.J. 5; Cbap.1dn ; [C.M.J.
FRENCH GUIANA: 2; Cayenne; [A.N.8.r.J.
No LOCALITY DATA : 5; [M.C.Z.].
Lesbates carissima Dillon and Dillon, spec. nov,
PLATE III, J.'IGURE 14.
Distinct from L. acromii in the humeri being tubercled, not
crested ; elytra at base distinctly granulate--pullctate; antennae
with bases of segments from third reddish-brown, not testaceous,
as are the bases of the tarsal claw segments.
MALE. Elongate-ovate, robust, convex; head and pronotum piceous, eiytra
dark reddish-brown. Head and pronotum white pubescent, occiput and vertex