Leptogenys strena

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Leptogenys strena
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ponerinae
Tribe: Ponerini
Genus: Leptogenys
Species: L. strena
Binomial name
Leptogenys strena
Zhou, 2001

Nothing is known about the biology of Leptogenys strena.

Identification

Zhou (2001) - Resembles Leptogenys lucidula but can distinguish from the latter by mandible with 5 teeth (the latter with 8~10 teeth); anterior clypeal border rounded, not angular; propodeal declivity longitudinally concave in meian surface, not truncate. Besides, the new species separated from the latter by much more hairs and much larger in size.

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Palaearctic Region: China (type locality).

Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Castes

Nomenclature

The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • strena. Leptogenys strena Zhou, 2001b: 40, 229, figs. 39, 40 (w.) CHINA.

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

Description

Worker

Holotype worker: TL 6.4, HL 1.36, HW 1.17, CI 86, SL 1.10, SI 94, PW 0.86, AL 2.35, ED 0.22, PH 0.88, PNL 0.81, DPW 0.84.

Paratypes: TL 6.3~6.4, HL 1.35~1.41, HW 1.17~1.20, CI 85~88, SL 1.06~1.13, SI 89~94, PW 0.84~0.88, AL 2.20~2.38, ED 0.20~0.22, PH 0.88~1.00, PNL 0.53~0.84, DPW 0.84~0. 88.

Head longer than broad, with straight sides and slightly concave occipital border. Mandible narrowly triangular, masticatory margin with 5 large teeth, with an interval between the 4th and the basal tooth. Median clypeus convex, with stout median carina. Antennal scape slightly extending beyond the occipital border. Eyes relatively small, situated in front of the midlength of the sides of head. Alitrunk stout, promesonotum slightly convex, promesonotal suture distinct; mesopropodeal suture slightly incised. Basal face of propodeum as long as the declivity which slightly concave in the median surface, conjunction of them rounded. Petiolar node thick, anterior face slightly convex, posterior face straight, dorsal border blunt rounded. Subpetiolar process semicircular. Constriction between basal two gastral segments distinct.

Mandibles with longitudinal striations; lateral of clypeus with fine transverse striations; head, alitrunk, petiole and gaster smooth and shining.

Erect and suberect hairs abundant on the entire body.

Color reddish brown; antennae and legs lighter.

Type Material

Holotype worker/ Fuchuan County, Guangxi, 18.VI.1998, Shanyi Zhou leg. Paratypes 2 workers, data as holotype.

References

  • Xu, Z.-H., He and Q.-J. 2015. Taxonomic review of the ponerine ant genus Leptogenys Roger, 1861 (Hymenoptera: Formicidae) with a key to the Oriental species. Myrmecological News. 21:137-161.
  • Zhou, S. 2001. Ants of Guangxi. Guilin, China: Guangxi Normal University Press. 255 pp. (page 40, 229, figs. 39, 40 worker described)