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Acanthostichus laevigatus
| 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
| |
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
Latitudinal Distribution Pattern
Latitudinal Range: 3.33° to 3.33°.
| North Temperate |
North Subtropical |
Tropical | South Subtropical |
South Temperate |
- Source: AntMaps
Distribution based on Regional Taxon Lists
Neotropical Region: Venezuela (type locality).
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
Countries Occupied
| Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species. |
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Estimated Abundance
| Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species. |
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Biology
Castes
Known only from the worker caste.
Nomenclature
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- laevigatus. Acanthostichus laevigatus Mackay, 1996: 157 (w.) VENEZUELA.
- Type-material: holotype worker, 6 paratype workers.
- Type-locality: holotype Venezuela: Bolivar, El Bochinche Reserva Forestal, Imataca, 200 m., Exp. Inst. Zool. Agricola, Formicidae 668, IZA, UCV (no collector’s name); paratypes with same data.
- Type-depositories: MIZA (holotype); BMNH, ICNB, MCZC, MIZA, MZSP, WEMC (paratypes).
- Distribution: 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 Collection, 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)
References based on Global Ant Biodiversity Informatics
- Borowiec M. L. 2016. Generic revision of the ant subfamily Dorylinae (Hymenoptera, Formicidae). ZooKeys 608: 1–280.
- Esteves F. A., C. R. F. Brandao, and L. P. Prado. 2011. The type specimens of Dorylomorph ants (Hymenoptera, Formicidae: Aenictinae, Ecitoninae, Cerapachyinae, Leptanilloidinae) deposited in the Museu de Zoologia da Universidade de Sao Paulo, Brazil. Papeis Avulsos de Zoologia 51(22): 341-397.
- Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
- MacKay W. P. 1996. A revision of the ant genus Acanthostichus (Hymenoptera: Formicidae). Sociobiology 27: 129-179