READING PUBLIC MUSEUM AND ART GALLERY

LAWRENCE S. DILLON AND ELIZABETH S. DILLON 7
antennal tubercles prominent, apprm .. imate, armed at apex with distinct, blunt
teeth, usually curved slightly inward distally. Pronotum transverse, sides feebly
arcuate, llilrrowing apically, unarmed or very feebly tuberculate behind middle;
disk· medially with an irregular tubercle, each side of which are three other tubercles,
arranged in a triangle, the outermost one smaller ; an apical and a basal transverse
sulcus, and a deeper oblique one laterally ext.mding down sides. Scutellum tran.s·
verse, sides nearly straight, oblique, apex broadly rounded or subtruncate. Elytra
attenuate to apices, which are separately, broadly rounded; base of disk toward
each side of suture with a small gibbosity, entire basal fourth sparsely granulate,
granules fine, with a few coarser ones, rest of disk with cattered, sparse, deep
punctures; humeri prominent, the anterior margin oblique, the angle with a large,
shining tubercle; sides below humeri with a few small granules and some rugosities.
Prosternum slight.ly widened between coxae. Procoxae tumid anteriorly and feebly,
obtusely tubercled; femora feebly clavate, profemora feebly rugose beneath, not
abo.,.·c; metatibiac expanded on apical half, with an elongate linear impression
internally on expanded portion; protarsi feebly dilat€d. Fifth sternite one-half
longer than fourth, apex emarginate. Antennae one and one-fourth times length
of body, sparsely fimbriate beneath proximally to fourth segment; scape elongate,
slender, gradually clavatc, finely, densely punctate, with scattered, obsolete, larger
punctures; third sgment about as long as first, very feebly arcuate; eleventh
subequal in length to tcnth, with a short proce:s at apex.
FEMALE. More robust ; head with front less coarsely rugose; antennal tubercles
less prominent, only feebly produced at apex; prostcrnum broader apically; pro­
coxae globose, unarmed; profemora more distinctly clavate, not rugose beneath;
metatibiae not expanded ; fifth sternite twice length of fourth, sllbemarginate at
apex, triangularly impressed; antennae about as long as body, scape morc slonder
than in male, eleventh segment with only a minute process at apex.
LENGTH 16-25.5 mm.; width 6.5-10.5 mm.
Type localily.-New Granada.
Di·st1-ibution.-Peru northward to Costa Rica_
CoSTA RICA: ; Hamburg Farm, April; (C. W. Dodge) ; [M.C.Z.]. (j'; San
Carlos ; [M.C.Z.J. 36, 3