Strumigenys abditivata

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Strumigenys abditivata
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Strumigenys
Species: S. abditivata
Binomial name
Strumigenys abditivata
(Bolton, 2000)

Strumigenys abditivata casent0900192 p 1 high.jpg

Strumigenys abditivata casent0900192 d 1 high.jpg

Specimen Labels

Synonyms

The type material was collected from sifted leaf mould.

Identification

Bolton (2000) - A member of the Strumigenys splendens-group. A very distinctive species within the group, immediately diagnosed by its extremely long mandibular basal lamella and sculptured mandibles. The closest related species is Strumigenys dentinasis but here the clypeus has a dorsal tooth on the midline close to its anterior margin.

Keys including this Species

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: -24.566667° to -25.7303°.

 
North
Temperate
North
Subtropical
Tropical South
Subtropical
South
Temperate

Distribution based on Regional Taxon Lists

Neotropical Region: Brazil (type locality).

Distribution based on AntMaps

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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

Nomenclature

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

  • abditus. Gymnomyrmex abditus Kempf, 1960f: 448, figs. 23, 25, 29, 31 (w.) BRAZIL. [Junior secondary homonym of abdita Wesson & Wesson.] Replacement name: Pyramica abditivata, below.
  • abditivata. Pyramica abditivata Bolton, 2000: 231. Replacement name for abditus Kempf, 1960f: 448. [Junior secondary homonym of abdita Wesson & Wesson, 1939: 106, above.] Combination in Strumigenys: Baroni Urbani & De Andrade, 2007: 110.

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

Description

Worker

TL 2.7-2.8, HL 0.74-0.80, HW 0.64-0.70, CI 86-88, ML 0.16-0.18, MI 21-24, SL 0.29-0.33, SI 45-50, PW 0.30-0.32, AL 0.76-0.86 (6 measured).

Fully closed mandibles in full-face view with exposed basal lamella distinctly longer than the tooth row. Dorsal surfaces of mandibles finely and very densely sculptured, dull, contrasting strongly with the glossy vertex. Frontal lobes and frontal carinae broadly expanded, their outer margins not sinuate, the preocular carina not visible in full-face view. Three fenestrae in each upper scrobe margin; anteriormost (smallest) over the antennal insertion, the two behind this larger. Dorsolateral margins of head without freely projecting hairs of any form, cephalic dorsum without standing hairs. Alitrunk unsculptured, without standing hairs dorsally; pronotal humeral hair absent. Pronotum weakly marginate dorsolaterally. Discs of petiole and postpetiole smooth and shining, the lateral lobe of the petiole small and laminate rather than densely spongiform. Dorsal (outer) surfaces of middle and hind tibiae without freely projecting hairs. Base of first gastral tergite with sparse simple standing hairs.

Type Material

Holotype worker and paratype workers, BRAZIL: Parana, Rio Azul PR, 1000 m., x.1959, no. 3151, sifted leaf mould (F. Plaumann) (Museu de Zoologia da Universidade de Sao Paulo, Museum of Comparative Zoology, The Natural History Museum) [examined].

References

  • Baroni Urbani, C. & De Andrade, M.L. 2007. The ant tribe Dacetini: limits and constituent genera, with descriptions of new species. Annali del Museo Civico di Storia Naturale “G. Doria”. 99:1-191.
  • Bolton, B. 1999. Ant genera of the tribe Dacetonini (Hymenoptera: Formicidae). Journal of Natural History. 33:1639-1689. (page 1672, Combination in Pyramica (P. abdita))
  • Bolton, B. 2000. The ant tribe Dacetini. Memoirs of the American Entomological Institute. 65:1-1028. (page 231, Replacement name for abditus Kempf, 1960; worker described)
  • Kempf, W. W. 1960f. Miscellaneous studies on Neotropical ants (Hymenoptera, Formicidae). Stud. Entomol. (n.s.) 3:417-466. (page 448, figs. 23, 25, 29, 31 worker described, junior secondary homonym)

References based on Global Ant Biodiversity Informatics

  • Kempf W. W. 1960. Miscellaneous studies on Neotropical ants (Hymenoptera, Formicidae). Studia Entomologica (n.s.)3: 417-466.
  • Silva T. S. R., and R. M. Feitosa. 2019. Using controlled vocabularies in anatomical terminology: A case study with Strumigenys (Hymenoptera: Formicidae). Arthropod Structure and Development 52: 1-26.