Atta laevigata

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Atta laevigata
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Atta
Species: A. laevigata
Binomial name
Atta laevigata
(Smith, F., 1858)

Atta laevigata casent0173811 profile 1.jpg

Atta laevigata casent0173811 dorsal 1.jpg

Specimen labels

Synonyms

This species was found to be a pest in pastures in Paraguay, feeding on the grasses Cynodon nlemfuensis, Megathyrsus maximus, Paspalum notatum, Urochloa brizantha, Urochloa decumbens and Urochloa ruziziensis (Sarubbi & Ramirez, 2020).

Identification

Distribution

Distribution based on Regional Taxon Lists

Neotropical Region: Bolivia, Brazil (type locality), Colombia, French Guiana, Guyana, Paraguay, Suriname, Venezuela.


Distribution based on AntMaps

AntMapLegend.png

Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Morphology

Martins et al. (2015). Fig. 1 - intramandibular glands.

Martins et al. (2015) studied the occurrence of intramandibular glands in queens and soldiers, mediums, and minor workers using histological, histochemical, ultrastructural, and morphometric analyses. Individuals were obtained from three colonies of A. laevigata from Teixeiras (20 39’ S 42 51’ W), Minas Gerais, Brazil, and maintained in the Leafcutting Ants Laboratory at the Federal University of Vicosa. Class-3 gland cells and an epidermal gland with a reservoir were found in all the castes. The queens and soldiers showed a higher number of class-3 gland cells, distributed within the mandible as well as a greater gland size in comparison to the workers. There were also differences between castes in some chemical constituents.

Associations with other Organisms

This species is a host for the sarcophagid fly Helicobia sp. (a parasite) in Brazil (Barganca et al., 2020).

Castes

Nomenclature

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

  • laevigata. Oecodoma laevigata Smith, F. 1858b: 182, pl. 10, fig. 24 (s.w.) BRAZIL (Pará).
    • [Misspelled as levigata by Roger, 1863b: 35, Dalla Torre, 1893: 153, and others.]
    • Forel, 1913l: 239 (m.); Gonçalves, 1942: 336 (q.).
    • Combination in Atta: Roger, 1863b: 35;
    • combination in Atta (Neoatta): Gonçalves, 1942: 348; Borgmeier, 1959b: 365;
    • combination in Atta (Epiatta): Borgmeier, 1950d: 247.
    • Junior synonym of sexdens: Mayr, 1865: 80.
    • Subspecies of sexdens: Emery, in Dalla Torre, 1893: 154 (footnote); Emery, 1913b: 259; Wheeler, W.M. 1916c: 11; Wheeler, W.M. 1923a: 4.
    • Status as species: Roger, 1863b: 35; Mayr, 1863: 438; Dalla Torre, 1893: 153; Forel, 1895b: 138; Pergande, 1896: 896; Forel, 1905b: 157; Forel, 1908c: 348; Forel, 1912e: 179; Forel, 1913l: 239; Crawley, 1916b: 372; Luederwaldt, 1918: 38; Emery, 1924d: 354; Borgmeier, 1927c: 137; Menozzi, 1935b: 197; Eidmann, 1936b: 87; Weber, 1938b: 206; Santschi, 1939f: 166; Borgmeier, 1939: 427; Gonçalves, 1942: 348; Weber, 1946b: 164; Gonçalves, 1947a: 198; Borgmeier, 1950d: 247; Borgmeier, 1959b: 365 (redescription); Kempf, 1972a: 27; Cherrett & Cherrett, 1989: 53; Bolton, 1995b: 76; Delabie, 1998: 339; Wild, 2007b: 30; Fernández, et al. 2015: 152 (redescription); Fernández & Serna, 2019: 842.
    • Senior synonym of bolchevista: Borgmeier, 1950d: 243; Borgmeier, 1959b: 365 Kempf, 1972a: 27; Bolton, 1995b: 76; Fernández, et al. 2015: 153.
    • Senior synonym of silvai: Delabie, 1998: 339; Fernández, et al. 2015: 153.
    • Senior synonym of venezuelensis: Borgmeier, 1959b: 365; Kempf, 1972a: 27; Bolton, 1995b: 76; Fernández, et al. 2015: 153.
  • bolchevista. Atta (Neoatta) sexdens subsp. bolchevista Gonçalves, 1942: 350.
    • [First available use of Atta sexdens r. rubropilosa var. bolchevista Forel, 1921a: 204 (w.) PARAGUAY; unavailable (infrasubspecific) name.]
    • As unavailable (infrasubspecific) name: Santschi, 1929f: 93.
    • Junior synonym of laevigata: Borgmeier, 1950d: 243; Borgmeier, 1959b: 365 Kempf, 1972a: 27; Bolton, 1995b: 75; Fernández, et al. 2015: 153.
  • silvai. Atta (Neoatta) silvai Gonçalves, 1983b: 174, figs. 1, 2 (w.q.m.) BRAZIL (Bahia).
    • Status as species: Brandão, 1991: 328; Bolton, 1995b: 77.
    • Junior synonym of laevigata: Delabie, 1998: 339; Fernández, et al. 2015: 153.
  • venezuelensis. Atta (Neoatta) laevigata subsp. venezuelensis Gonçalves, 1942: 349 (w.q.) VENEZUELA.
    • Combination in Atta (Epiatta): Borgmeier, 1950d: 243.
    • Subspecies of laevigata: Borgmeier, 1950d: 243.
    • Junior synonym of laevigata: Borgmeier, 1959b: 365; Kempf, 1972a: 27; Bolton, 1995b: 77; Fernández, et al. 2015: 153.

Description

Karyotype

  • 2n = 22, karyotype = 12M+6SM+4A (Brazil) (Fadini & Pompolo, 1996; Barros et al., 2014).

References

References based on Global Ant Biodiversity Informatics

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