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112
THE TRIBE ONCIDERINI
BRAZIL: !j!; no locality data; [Minn. U.]. !j!; Chapada; [C. M.].
PARAGUAY: '$; no locality data ; [A.N.s.P.]. '$; Horqueta, February 23, 1934;
(A. Schulze}; [L. Lacey),
LAiliPEDUSA Dillon and Dillon, gen. nov.
Distinguished from EuthimQ, by body form being more elongate,
narrower, less robust; front less strongly widened below ; gena
transverse j eye with lower lobe very large, twice or more the height
of gena, not so broad proportionally ; humeral carina of equal
width throughout; scape less robust, less strongly clavate, third
segment indistinctly bisinuate, one and tbree·quarters times length
of seape; procoxae with a feeble tubercle in male; metatibiae feebly
expanded apically in male.
Rather small, elongatlK>vate, moderately robU5t. Head with front feebly
elongate, slightly narrowed between eyes; gena subquadrate or transverse; eye with
lower lobe elongate, oblong-ovate, two times or more the height of gena; antennal
tubercles slightly prominent, subapproximate, in male with a short, robust, obtuse
tooth, in female less distinctly armed. Pronotum t-ransverse, sides rather arcuate,
base slightly wider than apex, widened at middle, then gradually tapering; disk
feebly globose, indistinctly tuberculate. Scutellum transverse. Elytra gradually
tapering to npiccs, whieh are separately, rather broadly rounded; basal gibbosity
broad, feeble; disk on b.,sal half with coarse, well separated punctures; hwner:
prominent, not tubercuiate, with a distinct carina from angle to middle of nearly
equal width throughout. Prosternum rather broad, widened posteriorly; meso­
sternal process moderately wide, sides emarginate, apex Dot deeply cmarginate.
Legs moderate; proeoxae globose, with an obtuse tubercle in male, nearly unarmed
in female; femora strongly clavate, robu.st; metatibiae feebly expanded apically in
male; protarsi dilated in same sex. Antennae in male one and one-fourth times lIS
long as body, in female as long as or slightly shorter than body; scape ciongate,
reaching nearly to middle of pronotwn, robust, gradually clavate from basal third,
only feebly arcuate; third segment nearly straight, indistinctly bisinuate, one and
one-fourth times as long as scape; fourth slightly shorter than first; eleventh
slightly longer than tenth in IIlfl.le, equal to tenth in female.
GENOTYPE.-Lamia obliquator Fabricius.
KEY TO SPECIES
Pronotum and elytra. without distinct vittae; eye with lower lobe only slightly
narrowed below . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,enictdus
Pronotum distinctly whitish vittate each side ; elytra with a fIDe, whitisb vitta from
humerus to suture behind middle, thence recurved laterally and reaching to
apex; eye with lower lobe distinctly narrowed below . ... . .... . . obliquator