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LAWllENCE S. DILLON AND ELIZABE'l'H S. DILLON 37
apical two moderately elevated tubcrc]ClS, the one more lateral and broader bnsally;
basal and apical sulcus shallow, basal ODe oblique laterally. Scutellum very transverse;
sides nearly straigbt ; apex very broodly rounded, feebly notched at middle.
E1ytra with sides nearly straight, feebly attenuate apically; apices each roUDded;
base of each elytron with a bro.'1d, feebly elevated gibbosity which is very deeply,
coarsely punctate, in some places either more or less rugosely so or granulate·
punctate, on extreme base anterior to gibbosities single row of several punctate­
granules, remainder of base to middle with large, irregular, close-set punctures,
toward apex tbese become much finer, sparser, and obsolete; humeri prominent,
anterior margin feebly arcuate, oblique, angle obtuse not tubercled, a short, feeble
carina-extending posteriorly from angle. Presternum feebly widened behind middle;
mesosternum deeply notched :tt middle; fifUl stcrnite about one-half longer than
fourth, apically very broadly rounded. Procoxae globose, without [In llnCUS; pro­
femora with sides nea.rly parallel on bu.sal two-thirds, t·hence clavate to a.pex,
dorsally on basal two-thirds feebly, vcntl"nlly on basal two·thirds rather roughly,
rugose, uj.her femoro. moderately clavate ; rnetalibiae very broadly dila.ted on apical
two-thirds. Antennae about one :tnd one-third tilIlCS body length; scape reaching
to litLle more than (lpical third of pronottUIl, robust, capitate on apical half; baS-'ll
half OD inner and outer suriacl''';;
with four or fi,'e deep grooves (more feeble on
outer face), dorsnlly very finely, densely punctatc, with coare punctures inter·
mingled, apical half finely, demcly punctate; third slender, sinuate, onc-third longer
than scape ; remaining segments gradually shorter, acceso1"y process on eleventh
much elongate and swollen at tip; fimLriale heavily on sco.pe and ba&1l half of
tbird, less heavily on rem:tinder of third and fourth, very slightly on fifth segments.
FEAlALE. More robut; antenn:tI tubercles only very feebly and obtusely produced;
fifth sternite nearly two times as long as fourt.b, at apex subtnmcate, tufted
laterally, shallowly, broadly, trianSllbrly impre5.':ied medilllly ; procoxae globose,
not tubercled; profemom gradu:llly elv.'ltc, not rug()8e clorsaI1y or ventr:;lly;
meta tibiae fecbly widened apic:lllYi (lntenm'le about as long [LS body, C[LI)() Jess
robust, not grooved bllS:!.]!),.
LEKGTIl 13-14 miU.; width 5.5..{3.b mm.
Holotype.-Male ; Sao Paulo de Olivenya, Brazil, A.pl'iI 1923; (8.
M. Klages); [C. M.].
Allotype.-Femalc ; sarno data as bolotype; [C. 1LJ.
Paratypes.-Female ; Mafra, Santa Catharina, Brazil, March,
1942; (A. Maller) ; [L. Lacey]. Female ; Rio Ucayali, Peru, December
14, 1923; [A.M.N.H.].
Hypsioma basalis Thomson
PLATE II, FIGURE 12.
HypWmw. basalis Thomsoll, Class. Cemmb., 1860, p. 117. Bates, Ann. 11'19.g. Nat..
Hist., (3), XVI, 1865, p. 170.
HYp8eimnl1s basali! Thomson. Bates, loc. cit., p. 111 (scp. p. 177).