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545

(1837-1884)
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,545

Segmentum dorsale annuli noni abdominis post. rotundate
truncatum, angulo utroque cornuto.

Valvula analis superior triloba, inferior biloba.

Larva præter caput, segmentum dorsale annuli
protlio-racici, pedes tota membranacea, septies longior quam latior,
teres, pilis pergracilibus parce dispersa, abdomine sensim post
tenuiore, plerumque incurvo, incisuris manifestis, annulo nono
triplo pæne angustiore quam annulo primo. Color albus;
caput, segmentum dorsale annuli prothoracici, pedes pallide
ferruginea.

Caput exsertutn, tertia parte latius quam longius,
latitudinis maximæ ferme mediæ, globosum, perminute reticulosum,
fronte media pone clypeum profundius rotundate retusa. Margo
frontalis inter condylos articularios mandibularum et insertionem
antennarum obliquus, leviter sinuatus. Epistoma minutum,
dimidiam capitis longitudinem explens, triangulum, ejusdein
ferme longitudinis et latitudinis, lateribus subrectis, angulis
omnibus peracutis. Sutura pleurarum capitis pone epistoma
leviter immersa. Clypeus quam epistoma duplo brevior, duplo
tertiaque parte latior quam longior, in transversum convexus.’
Labrum duplo brevius quam clypeus, duplo tantum latius quam
longius, in transversum late convexum.

Ocelli bini, perminuti, superpositi, propinqui, pone
an-tennas siti.

Antennæ labrum dimidia parte superantes, graciles, conicæ;
articuli bini priores subcylindrici, ejusdein ferme longitudinis,
secundus quam primus dimidia parte tenuior; articulus tertius
minutus, conicus. Appendix antennaria articuli secundi valida,
conica, quam articulus tertius paulo longior et duplo pæne
robustior.

Mandibulæ capite duplo dimidiaque parte breviores, supra
et infra convexæ, inæquatæ; dorsum exterius deorsum late
rotundatum. Pars scissoria profundius fissa, bidens, dentibus
peracutis, superpositis, superiore majore; caverna angusta,
peralta, margine utroque inermi. Mola angusta, obovata,
corona leviter cavata, in transversum profunde striata.
Tuber-XI. 35

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