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301

(1837-1884)
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301^

duplo et dimidio latior quam longior, convexus, aciculate
reticulosus, basi bifoveolatus, punctis setigeris niarginis prioris
foveolate dilatatis. Labrum triplo latius quam longius, clvpeo
quarta parte brevius eoque quarta parte angustius, leviter
convexum, reticulate rugosulum, disco utrinque trifoveolato,
margine priore breviter trilobo, angulis late rotundatis; margines
laterales callosi, crennlattone inferiore nulla.

Antennæ capite quarta parte breviores, robustiores,
quadriarticulatæ; articulus primus omnium maximus, crassus,
obconicus, tertia tantuin parte longior quam crassior; articulus
secundus obconicus, dimidio brevior primo eoque quarta parte
tenuior; articulus tertius obconicus, articulo præcedente tertia
ferme parte minor, apice oblique truncatus, angulo inferiore
obtuse producto; articulus quartus obovatus, duplo longior
quam crassior, articulo præcedente tertia parte longior eoque
perpaulo tenuior, apice acute’ rotundatus, medio profundius
constrictus, parte posteriore infra pulvinate prominente.

Mandibulæ capite paulo breviores. Pars manducatoria
supra convexiuscula, parcius leviterque aciculate rugosula, ad
molam profundius excavata, fovea obliqua, valde profunda, a
parte scissoria definita, infra convexa, polita, a parte scissoria
impressione obliqua, altissima discreta; area stridulatoria leviter
excavata, acutius definita, oblonga, triplo longior quam latior,
ante acutius rotundata, post acuminata, spisse crassius striata,
striis utriusque extremitatis nonnihil confertioribus. Pars
scissoria parte manducatoria tertia parte brevior eaque quarta
parte angustior, supra convexa, rugosula, foveisque ternis
rotundatis, profundis, in triangulum dispositis notata: infra
rugosula, dimidio exteriore planiusculo, interiore profunde
excavato; acies acuta, mandibulæ dextræ tridens, incisuris
separantibus acutis, supra et infra in sulcos coutinuatis, dente
terminali majore, incurvo, secundo minore, obtusiore, tertio
pusillo, obtuso: mandibulæ sinistræ quadridens, dentibusincurvis,
incisuris separantibus obtusioribus, supra et infra in sulcos
continuatis, dente terminali majore, acuto, binis sequentibus
minoribus, obtusis, postremo robustiore, obtuso. Dorsum

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