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554

(1837-1884)
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554

Cerci producti, setaeei, biarticu/nli.

Annulus analis exsertus, conicus, corneus, ambulatorium,
verrucis instructus qualtuor exserlilibus, scamoriis, hamis
retro-versis, robustis scabratis.

Caput annulo prothoracico tertia parte minus,
orbicu-latum, supra et infra convexum, sulcis nullis. Epistoma
extremitate posteriore acuta, ad medium caput ascendente,
angulis frontalibus evanidis; clypeus sutura transversa,
utrin-que leviter sinuata, membranacea sejunctus, parte antica
convexe descendente, maudibulas contegens, margine arcuato,
utrinque bisinuato, medio ferme truncato, leviter trisinuato,
spinulis quattuor perpusillis armato. Hypostoma triangulum,
margini inferiori capitis contiguum, sexta parte longius quam
latius, extremitate priore acute rotundata.

Ocelli seni, majusculi, rotundati, convexinsculi, laterales,
capite prono terni, supino vix ulli conspicui; ocelli quini
priores in seriem arcuatam, deorsum vergentem dispositi,
ocellum posteriorem cingentes.

Antennæ capite tertia parte breviores, crassiusculæ;
articulus primus subcylindricus, quadruplo longior quam
cras-sior, paulum supra basin sutura spuria transversa
articula-tionem simulans; articulus secundus septima parte brevior
primo eoque quarta parte crassior, clavatus, extra insertionem
appendicis antennariæ cylindrice extenuatus ibidemque basi
articuli sequentis vix crassior; articulus tertius fusiformis,
triplo longior quam crassior, duplo quartaque parte brevior
articulo secundo eoque pius quam duplo lenuior. Setæ
antennariæ articulo secundo ante appendicem articuloque tertio
medio innatæ. Appendix antennaria articuli secundi robusta,
conica, crassitudine terminali ipsius articuli; appendices
sen-siles articuli tertii terminales, quaternæ, setiformes.

Mandibulæ dimidia pæne capitis longitudine, basi tumidæ,
medio levius constrictæ, dorso obtuso, parte antica fornicata,
bifida, laciniis incisura acuta sejunctis, acuminatis, acie
minute crenulatis, posteriore minore, sursum et introrsum
directa.

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