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90 THE TRIBE ONCIDERINI
impressed line, gradually shallower and broader on apical half, apex feebly emarg·
illate; profomora only a little more robust than others, not rugose basally; antennae
slightly longer than body, the eighth segment surpassing elytral apex, scspe not
quite attaining middle of pronotwn, simply punctate basally. eleventh segment Dot
elongate.
LENGTH 13-16 mm.; width 4.5-5.5 mm.
Type locality.-SantaremJ Brazil.
Distribution.-Apparently very widely distributed from the
lower Amazon basin to Paraguay.
Bll.AZlL: $ j Para, July; [C.M:.] ,
BoLIVIA: t; Province del Sara; (Steinbach); [C.M.] .
PARAGUAY: ; Horqueta, January 6, 1933; (A. Schulze) ; [CAS.]. ; S. Bern:mlinoj
(N. Fiebrig) ; [U.s.N.M.].
Perilrox vermiculatus Dillon and Dillon, spec. nov.
PLATE VII, FiGURE 7.
Differs in baving the elytral fulvous maculae vermiculate, in­
distinctly outlined with grayish ; from P. denticollis it is distinct,
moreover, in having glabrous maculae on pronotum and elytra.
MALE. Elongate-Qblong, rather robust, subcylindrical; head and pronotum
piceous, elytra dark reddish-brown. Head sparsely fulvous pubescent, sometimes
varicgated slightly with gray, the fulvous condensed to form a vitta either side of
front and a margin around eye. Pronotum fulvous pubescent, with two transverse
rows of small, more or less rounded, da.rk brown maculae which are outlined very
narrowly with gray, the first row at middle with four and second row near base with
five maculae, median macula of latter row slightly more apical than rest. Scutellum
dark brown, laternl margins narrowly gray. Elytra. sparsely dark brown pubescent,
with coarse vermiculate markings of fulvous which are more or less outlined nar­
rowly with gray. Beneath gray pubescent, sternal side-pieees, met.asternum with
maculae laterally, :md a vitia either side of abdomen to fifth sternite, fulvous, each
stemite except fift.h, and metasternum laterally, with 8t round, dark brown macula,
the one on first sternite more or less elongate, at extreme lateral edge of sternites
(including fifth) a small, more or less dark brown macula. near base. Legs piceous;
femora ahove fulvous, below gray. meso- and metnfemora with a small, brown
macula at apex; tibiae fulvous and gray variegated, tarsi gray laterally, dark brown
medially. Antennae with scape piceous, fulvous and gray variegated, remaining
segments reddish-brown, with grayish-fulvous pubescence.
Head above finely alutaceous, with scattered fine punctures, IL median impressed
line from occiput to epistolIllL; front elongate, narrow, gradually widened apically,
surface finely alut.aceous. with scattered coarse punctures; genae elongate, sides
nearly parallel, surface finely alutacCQus, with scattered, moderate punctures; eye
with lower lobe nlongate-oval, about one and one-fourth times genal height; an­
tennal tubercles contiguous, prominent, with a process at apex which is long and