Nylanderia impolita

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Nylanderia impolita
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Lasiini
Genus: Nylanderia
Species: N. impolita
Binomial name
Nylanderia impolita
LaPolla & Fisher, 2011

Nylanderia impolita casent0179589 p 1 high.jpg

Nylanderia impolita casent0179589 d 1 high.jpg

Specimen Labels

The types were collected in a malaise trap placed in coastal lowland rainforest that was part of a forest margin along a river.


LaPolla et al. (2011) - Overall dark brown with rugulose head and mesosoma; SL ≥ 0.9 mm.

Compare with: Nylanderia lepida

This species has one of the longest scapes of any African Nylanderia. It is most likely to be confused with N. lepida, but N. lepida is generally smaller in overall size and its cuticle is typically very smooth and shining.

Keys including this Species


Distribution based on Regional Taxon Lists

Afrotropical Region: Angola, Central African Republic, Gabon (type locality), Ghana.

This species is widespread throughout West Africa.

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb



The queen and male castes are currently unknown for this species.


The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • impolita. Nylanderia impolita LaPolla & Fisher, in LaPolla, Hawkes & Fisher, 2011: 16, figs. 10-12, 76 (w.) GABON.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.



Measurements (n = 6): TL: 2.6–3.1; HW: 0.59–0.74; HL: 0.7–0.8; EL: 0.17–0.18; SL: 0.91–0.98; PW: 0.4–0.48; WL: 1.0–1.05; GL: 0.9–1.4

Indices: CI: 83–93; REL: 21–24; SI: 131–161

Overall the worker of N. impolita matches the description of Nylanderia lepida with the following differences: 1) larger overall size (TL: 2.6–3.1); 2) scape length ? 0.9 mm; 3) head and mesosoma rugulose; 4) mesopleuron with distinct rugulae; 5) mesosoma more elongated with lower pronotum than in N. lepida (WL ≥ 1.0 mm); 6) generally with more erect macrosetae present on the scapes (SMC > 20, often exceeding 30).

Type Material

Holotype worker, GABON: Prov. Ogoové-Maritime: Réserve des Monts Doudou, 24.3 km 307° NW Doussala, 2°13.35’ S, 10°24.35’ E, elev. 350 m; malaise trap, coastal lowland rainforest, forest margin along river; 9–10.iii.2000 (S. van Noort) (California Academy of Sciences) (CASENT0179589); 1 paratype worker, same label data as holotype; 1 paratype worker with same label data as holotype except date: 8.iii.2000; 1 paratype worker with same label data as holotype except date: 6–7.iii.2000 (CASC, National Museum of Natural History)


The specific epithet impolita (L. = unpolished) is in reference to the fact this species possesses a rugulose cuticle on the head and mesosoma.


  • LaPolla, J.S., Hawkes, P.G. & Fisher, B.L. (2011) Monograph of Nylanderia (Hymenoptera: Formicidae) of the World, Part I: Nylanderia in the Afrotropics. Zootaxa 3110: 10–36.

References based on Global Ant Biodiversity Informatics

  • LaPolla J. S.; P.G. Hawkes, and B.L. Fisher. 2011. Monograph of Nylanderia (Hymenoptera: Formicidae) of the World, Part I: Nylanderia in the Afrotropics. Zootaxa 3110: 10-36.