Acromyrmex landolti

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Acromyrmex landolti
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Acromyrmex
Species: A. landolti
Binomial name
Acromyrmex landolti
(Forel, 1885)

Acromyrmex landolti casent0281785 p 1 high.jpg

Acromyrmex landolti casent0281785 d 1 high.jpg

Specimen Labels

Synonyms

Identification

Distribution

Distribution based on Regional Taxon Lists

Neotropical Region: Argentina, Bolivia, Brazil, Colombia (type locality), Guyana (type locality), Venezuela.


Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Nesting Habits

Verza et al. (2019): Seven nests of Acromyrmex landolti were excavated in a semiarid region of the Caatinga, an exclusively Brazilian biome. The nests were measured both externally and internally and then photographed. Nests were found in open and sunny areas and externally all nests presented a loose soil mound, straw protection over the entrance hole, and a refuse dump. The number of underground chambers found ranged from 4 to 17, with differing heights, widths, and lengths. The chambers were found from near the surface of the ground to a maximum depth of 1.70 m. Our results showed that strategies used by A. landolti include the construction of an ornate straw tower at the entrance of the nest and the construction of deep underground rooms, with the chambers of fungi near the water table. The structure of the nests of A. landolti is probably related to its habit of building their nests in open, sunny locations associated with environmental factors characteristic of the semiarid climate of the Caatinga biome.

Life History Traits

  • Mean colony size: 1000 (Beckers et al., 1989)
  • Foraging behaviour: mass recruiter (Beckers et al., 1989)

Castes

Nomenclature

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

  • landolti. Atta (Acromyrmex) landolti Forel, 1885a: 357 (w.) COLOMBIA.
    • Forel, 1911c: 293 (q.).
    • Combination in Atta (Moellerius): Forel, 1893e: 589;
    • combination in Acromyrmex (Moellerius): Mann, 1916: 453.
    • Status as species: Emery, 1890a: 66; Dalla Torre, 1893: 153; Forel, 1893e: 589; Forel, 1905b: 157; Emery, 1905c: 44; Forel, 1911c: 293; Mann, 1916: 453; Santschi, 1922b: 362; Emery, 1924d: 351; Santschi, 1925a: 389 (in key); Santschi, 1925d: 238; Borgmeier, 1927c: 136; Weber, 1958d: 264; Gonçalves, 1961: 120; Kempf, 1972a: 15; Fowler, 1988: 288; Cherrett & Cherrett, 1989: 51; Brandão, 1991: 323; Bolton, 1995b: 55; Bezděčková, et al. 2015: 114; Fernández, et al. 2015: 62 (redescription); Fernández & Serna, 2019: 834.
    • Senior synonym of cloosae: Fowler, 1988: 288; Brandão, 1991: 323; Bolton, 1995b: 55; Fernández, et al. 2015: 62.
    • Senior synonym of myersi: Fowler, 1988: 288; Brandão, 1991: 323; Fernández, et al. 2015: 63.
    • Senior synonym of planorum: Fowler, 1988: 288; Brandão, 1991: 323; Bolton, 1995b: 55; Fernández, et al. 2015: 63.
    • Senior synonym of senex: Gonçalves, 1961: 120; Kempf, 1972a: 15; Bolton, 1995b: 55; Fernández, et al. 2015: 63.
    • Current subspecies: nominal plus myersi.
  • cloosae. Atta (Moellerius) landolti r. cloosae Forel, 1912e: 179 (w.) COLOMBIA.
    • Combination in Acromyrmex (Moellerius): Emery, 1924d: 351.
    • Subspecies of landolti: Emery, 1924d: 351; Kempf, 1972a: 16.
    • Junior synonym of landolti: Fowler, 1988: 288; Brandão, 1991: 323; Bolton, 1995b: 54; Fernández, et al. 2015: 62.
  • myersi. Acromyrmex (Moellerius) balzani subsp. myersi Weber, 1937: 408 (w.) GUYANA.
    • Subspecies of balzani: Weber, 1946b: 155; Weber, 1958d: 264.
    • Subspecies of landolti: Kempf, 1972a: 16; Bolton, 1995b: 56 (error).
    • Junior synonym of landolti: Fowler, 1988: 288; Brandão, 1991: 323; Fernández, et al. 2015: 63.
  • planorum. Acromyrmex (Moellerius) balzani subsp. planorum Weber, 1937: 409 (w.) VENEZUELA.
    • Subspecies of balzani: Weber, 1958d: 264.
    • Subspecies of landolti: Kempf, 1972a: 16.
    • Junior synonym of landolti: Fowler, 1988: 288; Brandão, 1991: 323; Bolton, 1995b: 56; Fernández, et al. 2015: 63.
  • senex. Acromyrmex (Moellerius) balzani var. senex Santschi, 1925a: 389 (diagnosis in key) (w.) BRAZIL (Minas Gerais).
    • [Also described as new by Santschi, 1925b: 19.]
    • Subspecies of balzani: Borgmeier, 1927c: 135.
    • Junior synonym of landolti: Gonçalves, 1961: 120; Brandão, 1991: 323; Bolton, 1995b: 57; Fernández, et al. 2015: 63.

Description

References

References based on Global Ant Biodiversity Informatics

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