Camponotus crassus

AntWiki: The Ants --- Online
Camponotus crassus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Camponotus
Species: C. crassus
Binomial name
Camponotus crassus
Mayr, 1862

Camponotus crassus casent0173406 profile 1.jpg

Camponotus crassus casent0173406 dorsal 1.jpg

Specimen labels

Subspecies
Synonyms

DaRocha et al. (2015) studied the diversity of ants found in bromeliads of a single large tree of Erythrina, a common cocoa shade tree, at an agricultural research center in Ilhéus, Brazil. Forty-seven species of ants were found in 36 of 52 the bromeliads examined. Bromeliads with suspended soil and those that were larger had higher ant diversity. C. crassus was found in 7 different bromeliads but was associated with twigs and bark cavities, rather than suspended soil or litter, of the plants. Fagundes et al. (2010) report it nesting in bamboo.

Identification

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 25.68015° to -64.36°.

       
North
Temperate
North
Subtropical
Tropical South
Subtropical
South
Temperate

Distribution based on Regional Taxon Lists

Neotropical Region: Argentina, Brazil (type locality), Paraguay, Trinidad and Tobago.

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

Sanz-Veiga et al. (2017) - This species was observed visiting the extrafloral nectaries of Tocoyena formosa plants occurring in a southeastern Brazilian cerrado study-site.

C. crassus visiting a nectary

Lange et al. (2015) - This species was found in semideciduous mesophytic forest pitfall-trap samples. The study examined the ant community within a patch (11.2 hectares) of forest in an urban park (Araguari, Brazil).

Brown & Fenner (1998) report this species being raided by the army ant Nomamyrmex esenbeckii at Itatiaia, Brazil.

Association with Other Organisms

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Castes

Worker

Images from AntWeb

Camponotus crassus casent0173407 head 1.jpgCamponotus crassus casent0173407 profile 1.jpgCamponotus crassus casent0173407 dorsal 1.jpgCamponotus crassus casent0173407 label 1.jpg
Worker (major/soldier). Specimen code casent0173407. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by ALWC, Alex L. Wild Collection.

Nomenclature

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

  • crassus. Camponotus crassus Mayr, 1862: 670 (w.) BRAZIL (Rio de Janeiro).
    • Forel, 1912i: 78 (q.); Mariano, et al. 2001: 272 (k.).
    • Combination in C. (Myrmobrachys): Forel, 1914a: 270.
    • Subspecies of senex: Forel, 1879a: 99; Emery, 1888c: 364; Emery, in Dalla Torre, 1893: 251 (footnote); von Jhering, 1894: 374 Emery, 1896d: 377 (in list).
    • Status as species: Roger, 1863b: 5; Mayr, 1863: 398; Mayr, 1865: 37 (redescription); Mayr, 1870a: 376 (in key); Emery, 1878a: ix (in list); Dalla Torre, 1893: 227; Forel, 1895b: 102; Emery, 1906c: 192; Forel, 1907a: 34; Forel, 1908c: 410; Forel, 1912i: 78; Bruch, 1914: 228; Mann, 1916: 481; Luederwaldt, 1918: 51; Wheeler, W.M. 1918b: 27; Santschi, 1922c: 121; Emery, 1925b: 163; Borgmeier, 1927c: 157; Eidmann, 1936b: 97; Kusnezov, 1952d: 208; Kempf, 1961b: 523; Kempf, 1970b: 341; Kempf, 1972a: 51; Brandão, 1991: 333; Bolton, 1995b: 94; Wild, 2007b: 28, 47.
    • Senior synonym of flexus: Mayr, 1870a: 387; Dalla Torre, 1893: 227; Forel, 1895b: 102; Emery, 1896d: 377; Emery, 1925b: 163; Kempf, 1972a: 51; Bolton, 1995b: 94.
    • Senior synonym of picticornis: Wild, 2007b: 47.
    • Senior synonym of vezenyii: Wild, 2007b: 47.
    • Current subspecies: nominal plus amazonicus, delabiatus.
  • flexus. Camponotus flexus Mayr, 1862: 671 (w.) BRAZIL (no state data).
    • Status as species: Mayr, 1863: 399; Roger, 1863b: 5.
    • Junior synonym of crassus: Mayr, 1870a: 387; Dalla Torre, 1893: 227; Forel, 1895b: 102; Emery, 1896d: 377; Emery, 1925b: 163; Kempf, 1972a: 51; Bolton, 1995b: 100.
  • picticornis. Camponotus (Myrmobrachys) crassus var. picticornis Santschi, 1936d: 421 (w.) ARGENTINA (Misiones, Corrientes, Córdoba), BRAZIL (Santa Catarina).
    • Subspecies of crassus: Kusnezov, 1952d: 208; Kempf, 1972a: 51; Brandão, 1991: 333; Bolton, 1995b: 117.
    • Junior synonym of crassus: Wild, 2007b: 47.
  • vezenyii. Camponotus vezenyii Forel, 1907a: 34 (w.) PARAGUAY.
    • Combination in C. (Myrmobrachys): Forel, 1914a: 271.
    • Subspecies of crassus: Forel, 1911e: 291; Forel, 1912i: 78.
    • Status as species: Forel, 1909a: 264; Emery, 1920b: 260; Emery, 1925b: 165; Wheeler, W.M. 1942: 258; Kempf, 1972a: 54; Bolton, 1995b: 129.
    • Junior synonym of crassus: Wild, 2007b: 47.

Description

Karyotype

  • n = 10, 2n = 20, karyotype = 20M (Brazil) (Aguiar et al., 2016; Mariano et al., 2001).

References

References based on Global Ant Biodiversity Informatics

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