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Genus: Labidus   Jurine, 1807 


Classification:

Taxonomic History (provided by Barry Bolton, 2017)

7 species, 2 subspecies

Labidus Jurine, 1807: 282. Type-species: Labidus latreillii (junior synonym of Formica coeca), by monotypy. AntCat AntWiki

Taxonomic history

Labidus in Dorylidae: Leach, 1815: 147 [Dorylida]; Haliday, 1836: 331; Shuckard, 1840a PDF: 196; Smith, 1859c PDF: 1; Cresson, 1887 PDF: 259.
Labidus in Dorylinae: Mayr, 1865 PDF: 16 [Dorylidae]; Forel, 1878c PDF: 365 (footnote) [Dorylidae]; Brady, Fisher, Schultz & Ward, 2014 PDF: 5.
Labidus in Dorylinae, Ecitonini: Emery, 1910b PDF: 21 [Ecitini]; Forel, 1917 PDF: 240; Donisthorpe, 1943g: 654; Borgmeier, 1955 PDF: 79; Kempf, 1972b PDF: 126; Dlussky & Fedoseeva, 1988: 79.
Labidus in Ecitoninae: Brown, 1973b PDF: 166; Snelling, 1981: 392.
Labidus in Ecitoninae, Ecitonini: Bolton, 1990c PDF: 1357; Hölldobler & Wilson, 1990: 12; Jaffe, 1993: 13; Bolton, 1994: 39; all subsequent authors.
Labidus as junior synonym of Eciton: Dalla Torre, 1893 PDF: 1.
Labidus as subgenus of Eciton: Emery, 1910b PDF: 21; Forel, 1917 PDF: 240; Gallardo, 1920 PDF: 312; Wheeler, 1922: 635; Borgmeier, 1923: 41; Donisthorpe, 1943g: 654; Creighton, 1950a PDF: 61; Smith, 1951c: 779; Kusnezov, 1956a PDF: 9.
Labidus as genus: Jurine, 1807: 282; Shuckard, 1840a PDF: 196; Borgmeier, 1953 PDF: 4; Borgmeier, 1955 PDF: 80; Smith, 1958c: 108; all subsequent authors.
Genus Labidus references
Roger, 1863b: 21, 41 (catalogue); Mayr, 1863a PDF: 424, 436 (catalogue); Mayr, 1865 PDF: 16 (diagnosis); Cresson, 1887 PDF: 259 (U.S.A. catalogue); Emery, 1910b PDF: 21 (diagnosis, catalogue); Gallardo, 1920 PDF: 312 (Argentina species key); Creighton, 1950a PDF: 62 (North America species key); Borgmeier, 1955 PDF: 80, 84 (diagnosis, all species revision, key); Kempf, 1972b PDF: 126 (Neotropical catalogue); Watkins, 1976 PDF: 8 (all species key); Smith, 1979: 1327 (North America catalogue); Watkins, 1982 PDF: 209 (Mexico species key); Bolton, 1995a PDF: 1050 (census); Bolton, 1995b: 219 (catalogue); Palacio, 1999: 153 (Colombia species key); Borowiec, 2016 10.3897/zookeys.608.9427 PDF: 144 (worker, male diagnosis)

Taxon Page Images:



Labidus coecus workers repair damage to a tunnel. Maquipucuna Reserve, Pichincha, Ecuador.
Image © Alex Wild.

Distribution:

(based on species list records)   Genus is native to: Nearctic, Neotropical bioregions.

Nearctic Region: Hidalgo, Louisiana, North America, Puebla, Querétaro, Texas, United States
Neotropical Region: Alajuela, Amazonas, Americas, Aragua, Argentina, Atlántida, Barinas, Belize, Bolivia, Brazil, Canindeyú, Caribbean, Cartago, Cayo, Ceará, Central America, Chiapas, Chocó, Colombia, Colón, Comayagua, Costa Caribe Norte, Costa Caribe Sur, Costa Rica, Cusco, Darién, Distrito Federal, Ecuador, El Progreso, El Salvador, Espírito Santo, Francisco Morazán, French Guiana, Gracias a Dios, Guanacaste, Guatemala, Guatemala, Guerrero, Guyana, Heredia, Honduras, Huehuetenango, Izabal, Jalapa, Jinotega, La Libertad, Lara, Lempira, Limón, Los Ríos, Madre de Dios, Magdalena, Matagalpa, Mato Grosso do Sul, Mexico, Michoacán de Ocampo, Minas Gerais, Morelos, Napo, Nayarit, Nicaragua, Nueva Segovia, Oaxaca, Olancho, Panama, Panamá, Paraguay, Pará, Pernambuco, Peru, Petén, Pichincha, Puntarenas, Quetzaltenango, Quiché, Rio Grande do Sul, Rio de Janeiro, Rondônia, Sacatepéquez, San José, San Marcos, Sinaloa, South America, Suchitepéquez, Sucumbíos, Suriname, São Paulo, Tamaulipas, Totonicapán, Trinidad and Tobago, Trujillo, Uruguay, Valle del Cauca, Venezuela, Veracruz, Zacapa

Identification:

Key to species, based on males (translated and adapted from Borgmeier 1955 by B.E. Boudinot)

1 Mandibular apex pointed: Lateral and medial margins of mandible tapering to apex in dorsal view ... 2
- Mandibular apex truncate: Lateral and medial margins angled subapically ... 4
2 Anterior clypeal margin more-or-less concave ... L. coecus
- Anterior clypeal margin convex ... 3
3 Anterior clypeal margin strongly convex. Body black or dark brown. Ocelli smaller ... L. curvipes
- Anterior clypeal margin weakly convex. Body reddish yellow. Ocelli larger ... L. auropubens
4 Anterior clypeal margin strongly convex ... L. truncatidens
- Anterior clypeal margin linear or concave ... 5
5 Ventral face of metatibia with somewhat flat ventral furrow; anteroventral margin of furrow with sharp ridge ... L. praedator
- Ventral face of metatibia rounded; anteroventral margin without ridge ... L. nero

References:

Borgmeier, T. 1955. Die Wanderameisen der neotropischen Region. Studia Entomologica 3:1-720.


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