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645

(1837-1884)
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645_

Species unica niihi cognita in Africa habitat; eeteræ species,
ab ill. C. L. Koch et Simon descriptæ, in America habitant.

STYGNUS VALIDUS n. sp.

Mas 11 Mm. longus, fusco-testaceus; margo posterior scuti
et segmenta dorsualia tria anteriora tuberculis singulis instructa;
tuber oculiferum usque ad limbum anteriorem positum;
articulus secundus antennarum sursum productus; pars femoralis
palporum ordinibus inferioribus duobus processuum et spinula
interiore, prope apicem sita, armata; articuli tarsales 6,
12-13, 7, 7.

Tuber oculiferum usque ad limbum anteriorem positum, in
processum suum desinens; oculi basi tuberis impositi, prominentes.
Scutum altius convexum, fere rectangulum, post locum latissimum
tamen manifeste coarctatum, sinu erga coxam tertiam sito non
profundo. Limbus anterior, medius angustus, granis utrinque
binis, supra antennas positis, ornatus. Limbus lateralis latus,
discretus, leviter declivis ; emissarium liquoris foetidi haud distincte
limitatum. Scutum sulcis transversis quinque, primo excepto,
fere parallelis divisum. Areæ scuti ordinibus singulis
tubercu-lorum acutorum paucorum (quatuor aut sex), area quarta spinis
ambabus longis, spatio parvo separatis, conicis, acutis, paullum
retroversis; limbus lateralis ordine granulorum rotundatorum;
margo posterior scuti et segmenta dorsualia libera tria anteriora
ordinibus singulis tuberculorum humilium et tuberculis longis
(sive processulis) singulis mediis, acutis; segmentum dorsuale
anale tuberculis ambobus; segmenta ventralia omnia granulis
exiguis, ordinatim positis, prædita.
Spiracula magna.

Antennarum pars globosa articuli primi aliquantum compressa,
granis acutis paucis supra, tuberculo uno robusto infra instructa.
Articulus secundus validus, supra articulationem basalem alte
sursum productus; pars producta rotundata. (Digiti validi;
mobilis dentibus duobus ingentibus, immobilis dentibus duobus,
latis nec longis, rotundis, crenatis, armatus).
Palpi maxillares longi, robustissinü; pars trochanterica spinis
dua-bus pronis, altera longissinia; pars femoralis femore quarto fere
duplo crassior, ordinibus inferioribus duobus eminentiarum armata,
in exteriore adsunt spina (aculeus processui impositus) basalis,
diametro articuli longior, et processus piliferi duodecim robusti,
acuti, fere alternatim longiores et breviores, in interiore (ultra
medium articuli posita) tubercula pilifera septem acuta;
in latere interiore spina pusilla, gracilis, prope apicem posita,

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