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527

(1837-1884)
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_527

declivi: infra late convexum, tenuiter canaliculatum, sulco
bre-vissimo, leviore utrinque pone mandibulas impressum. Anguli
frontales sulco latiore definiti, in obliquum levius ascendentes,
late sinuati, apice in dentem obtusiorem prominentes.
Clypeus impressione transversa, minute quadrifoveolata definitus,
porrectus, angulo utroque frontali dimidio latior, supra
plaoius-culus; pars antica angulos frontales non excedens, late arcuata,
sexdentata, dentibus minutissimis, rotundatis, impressionibus
proprius quam incisuris separatis. Sulci frontales profundi,
latissimi, subrecti, basi et apice æquo ferme intervallo
distantes, antice sulcis angulos frontales discernentibus adnexi;
area epistomatis media late convexa, sulcis duobus mediis
impressa brevibus, post convergentibus; areæ laterales
epistomatis concaviusculæ, margine extimo depresso. Tempora late
rotundata, deorsum convexa, fovea oblonga pone ocellos
impressa striaque arcuata postica manifesta, etsi tenuissima.
Hypostoma parvum, lateribus rotundatuin, trigonum, minus
profunde immersum, dimidio capite tertia parte brevius.

Ocelli minusculi, oblongi, inclinati, appropinquantes, in
tubere rotundato, sulco leviore circumscripto in series binas,
curvatas, deorsum proclive directas dispositi, ut capiti supra
inspecto quaterni, infra inspecto nulli appareant.

Antennæ mandibulis paululo longiores, graciles; articulus
primus clavate cylindricus, quadruplo longior quam crassior,
secundus obconicus, duplo brevior primo sed eo vix tenuior,
tertius clavatus, omnium latissimus, vix dimidio longior secundo,
angulo exteriore apicis extra appendicem producto, ultimus
minutus, gracillimus.

Mandibulæ latitudine frontali capitis dimidio breviores,
trigonæ, duplo tantum longiores quam latiores, dorso
exteriore levius sulcato, ante retinaculum paulum incurvæ, supra
e dorso exteriore acute carinato aciem versus excavate
declives, infra convexiusculæ; retinaculum in medio situm,
bre-vissimum, obtusum; penicillus validus.

Stipites maxillares mandibulis sexta parte breviores, validi,
triplo tantum longiores quam crassiores, subrecti, infra convexi,
medio obscure constricti, supra planiusculi, setis rigidioribus

34*

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