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Species: Euprenolepis echinata   LaPolla, 2009 

Classification:
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Taxonomic History (provided by Barry Bolton, 2018)

Euprenolepis echinata LaPolla, 2009 PDF: 6, figs. 3A-D (w.) BORNEO. Indomalaya. AntCat AntWiki HOL

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Asia: Borneo, Malaysia
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Indomalaya

Taxonomic Treatment (provided by Plazi)

Treatment Citation: LaPolla, J. S., 2009, Taxonomic Revision of the Southeast Asian Ant Genus Euprenolepis., Zootaxa 2046, pp. 1-25

Euprenolepis echinataHNS, sp. nov.

(Figures 3A-D)

Holotype worker, MALAYSIA: Borneo, Sabah, Poring Hot Spring, East Ridge, N 06°02' E 116°42', 600 m, 2.iv.1996 (A. Malsch) (USNM); paratype worker, same locality as holotype (ANIC).

Worker. Measurements (n=1): TL: 3.11; HW: 0.68; HL: 0.77; SL: 1.1; WL: 1.2; GL: 1.14. Indices: CI: 89; SI: 161.

Head brownish-yellow, with lighter mandibles and funiculi; head longer than broad. Cuticular surface dull and weakly rugoreticulate, with scattered distinctly thick erect setae, no pubescence underneath. Posterior margin complete. Eyes notably convex and more round in shape than observed in other EuprenolepisHNS. Scapes surpass posterior margin by about length of the first four funicular segments; with scattered erect setae and no pubescence underneath. Mesosoma brownish-yellow, dull, legs slightly lighter. Pronotum elongate, very gently rises towards mesonotum (less than 30° angle); mesonotum and metanotal area flat; propodeum dorsum rounded, dome-like; declivity steep. Only a few erect setae present on notum, concentrated on posterior pronotum and anterior mesonotum. Petiole triangular with posterior face longer than anterior face. Gaster brownish-yellow with scattered long, erect setae and no pubescence underneath; cuticular surface dull and faintly rugoreticulate.

FIGURE 3A-D. E. echinataHNS worker. A) lateral view; B) gaster in dorsal view; C) head in full-frontal view; D) scape. Holotype, Malaysia, Borneo (USNM).

Etymology: The species epithet is Latin for hedgehog, in reference to the unique setae of this species.

Discussion: This is an easily recognized species with distinctly long and thick erect setae scattered across its entire body. The setal bases are especially noteworthy because they are clearly defined: large and darker than the surrounding cuticle. The pronotum is lower in profile and more elongated than is seen in other species except E. negrosensisHNS. While the presence of long erect setae and an elongated pronotum might indicate a close relationship with E. negrosensisHNS, it is worth noting that the erect setae are different between the two species with E. negrosensisHNS possessing setae that are much thinner than in E. echinataHNS.

Specimen Habitat Summary

Elevations: collected at 600 m

Type specimens: paratype: anic32-051663



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