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LAWRENCE S. DILLON AND ELIZABETH S. DILLON 161
punctures; eye with lower lobe very ovate, slighUy shorter than genal length; an­
tennal tubercles moderately prominent, produced internally into a very short, ro­
bust tooth directed upward and slightly forward. Pronotum transverse, about one­
fifth wider basally than at apex; a basal and apical sulcus, the apical transverse
sulcus wide, only moderately deep, basal one oblique laterally; lateral tubercles
feebly elevated, obtillle apically; disk with median tubercle basal and very feeble,
as arc the two marc apical ones either side; base of disk and lateral tubercles with
punctAtc granules. Scutellum very transverse; sides arcuate; apex very broadly
rounded. Elytrll. feebly tapering to apices, which arc separately rounded; base of
each elytron with a feebly raised gibbosity which is only slightly oblique; basal
half with coarse, deep punctures, moderately spaced, sometimes feebly rugo..."C, be­
yond middle punctures becollle evanesoont to apex; humeri moderately prominent,
anterior margin nearly straight, at humeral angle a very broad, obtuse tubercle.
Prosternum widened behind middlej mesosternal process subtruncate at apex,
feebly emarginate medially; fifth sternite about one-fourth longer than fourth, subtruncate
apically. Procoxae globoso with a very broad, obtuse tubercle internally;
.profemora broad basally, with only apical third clavate, basal half dorsally and
ventrally rugose. Antennae about ona-third longer than body; scape reaching only
to apical one-third of pronotum, robust, gradually clavate, with one deep groove
and one or tlVO shallower ones internally and externally at base, remainder of surface
finely, densely punctate; third segment slender, sinuate, abou two times length
of seape, fourth about one-half longer than fifth, remaining segments shorter gradually;
fimbriate on third, only slightly on fourth segments.
FEMALE. More robust; internal production of antennal tubercles vcry obtuse ;
fifth sternite at apex emargintLte, slightly fringed and triangularly impressed, about
twice length of fourth ; profemora not rugose; antennae only slightly longer than
body, scapi) less robust.
LENGTH 12-16.5 mm.; width 4.5-6.5 mm.
Type locality.-Para.
Distribution.-Northern BraziL
BRAZIL: 9:; no locality data; (Minn. U.]. ,2 9:; Santarem; (U.S.N.M.]. 2 ,
2 9: j Santarem, October, (CM.].
Hesycbotypa bimaculotu Dillon and Dillon, spec. nov.
PLATE VI, FlGURl:l 8.
Related to H. lit1,rata hut distinct from it in the elytra, each
having a very small but distinct white macula at middle in place
of the fascia; pronotum with the pale lateral vitta more pronounced,
whiter, the median pale vittae coalescent behind middle
to base; and the antennae short, just about as long as body.
FEMALE. Elongate-ovate, rather slender, above sulxiepressed; fuseous, densely
brown pubescent, variegated with dull orange and hoary. Head above orange and