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Genus: Labidus   Jurine, 1807 

Classification:

Taxonomic History (provided by Barry Bolton, 2018)

Extant: 7 valid species, 2 valid subspecies

Labidus Jurine, 1807 PDF: 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 et al., 2014 PDF: 5.
Labidus as junior synonym of Eciton: Dalla Torre, 1893 PDF: 1.
Labidus as genus: Jurine, 1807 PDF: 282; Shuckard, 1840a PDF: 196; Borgmeier, 1953 PDF: 4; Borgmeier, 1955 PDF: 80; Smith, 1958c PDF: 108; all subsequent authors.
Genus Labidus references
Roger, 1863b PDF: 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); Cantone, 2017 PDF: 133 (brief male diagnosis)

Taxon Page Images:



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

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Belize, Brazil, Colombia, Costa Rica, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Trinidad and Tobago, United States, Venezuela
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Nearctic, Neotropical
  Native biogeographic regions (according to species list records):
    Nearctic, Neotropical

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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