Acanthostichus laevigatus

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Acanthostichus laevigatus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Dorylinae
Genus: Acanthostichus
Species: A. laevigatus
Binomial name
Acanthostichus laevigatus
Mackay, W.P., 1996

Acanthostichus laevigatus casent0903669 p 1 high.jpg

Acanthostichus laevigatus casent0903669 d 1 high.jpg

Specimen Labels

Nothing is known about the biology of Acanthostichus laevigatus.

Identification

A member of the serratulus species complex. Mackay (1996) - The workers of this species are easily separated from all other South American species by the smooth and polished petiolar node. In addition, there are noticeable bluish reflections. The poorly developed lateral teeth suggest affinities to Acanthostichus serratulus, the shape of the petiole suggests affinities with Acanthostichus lattkei and the color and smoothness of the node of the petiole suggests a possible connection with Acanthostichus fuscipennis.

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Neotropical Region: Venezuela (type locality).

Check distribution from AntMaps.

Distribution based on specimens

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The above specimen data are provided by AntWeb. Please see Acanthostichus laevigatus for further details

Biology

Castes

Known only from the worker caste.

Nomenclature

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

  • laevigatus. Acanthostichus laevigatus Mackay, W.P., 1996: 157 (w.) VENEZUELA.

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

Description

Worker

HL 1.01-1.15. HW 0.90-1.05. SL 0.51-0.59. SW 0.15-0.20, WL 1.31-1.49, FL 0.71-0.85, FW 0.23-0.26, PW 0.40-0.50, PL 0.43-0.53, SI 51, CI 89-91, PI 105-106, FI 317- 324, SL/SW 2.80-3.42.

Clypeus with poorly defined lateral teeth; anterior border of scape concave; propodeal angles well formed. descending face concave; petiole subquadrate, slightly longer than broad; subpetiolar process well formed. Mandibles, head, top of mesosoma shining with scattered punctures; sides of mesosoma costulate, dorsum of petiole smooth, glossy and strongly shining, with a bluish sheen. Dark brown with scattered, erect hairs on all surfaces.

Type Material

Holotype worker (Instituto de Zoologia Agricola) and six paratype workers (The Natural History Museum, William and Emma Mackay, Museum of Comparative Zoology, MHNC, MIZA, Museu de Zoologia da Universidade de Sao Paulo). VENEZUELA: Bolivar, El Bochinche Reserva Forestal, Imataca. 200m; Exp. Instituto Zoologia Agricola; Formicidae 668. IZA UCV; Acanthostichus sp. det. J. Lattke 1985.

Etymology

Latin. smooth. referring to the surface of the worker, especially the node of the petiole.

References

  • MacKay, W. P. 1996. A revision of the ant genus Acanthostichus (Hymenoptera: Formicidae). Sociobiology 27: 129-179 (page 157, worker described)