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Species: Cephalotes pusillus   (Klug, 1824) 

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Current Valid Name:

Taxonomic History (provided by Barry Bolton, 2023)

Cryptocerus pusillus Klug, 1824 PDF: 202 (w.) BRAZIL (Pará, Rio de Janeiro), GUYANA. Neotropic. Primary type information: Primary type material: syntype workers (number not stated). Primary type localities: Brazil: Pará (“ex Museo de Hoffmannsegg”), Brazil: Rio de Janeiro (“sent by Dr de Olfers”), Guyana: Demerara (“from Hemmerich”). Primary type depository: MNHU (perhaps also in MRSN). AntCat AntWiki HOL

Taxonomic history

Emery, 1890c PDF: 75 (s.q.); Emery, 1896h PDF: 636 (m.); Wheeler & Wheeler, 1954b PDF: 156 (l.)
Combination in Paracryptocerus: Kempf, 1951 PDF: 176.
Combination in Zacryptocerus: Brandão, 1991 PDF: 388.
Status as species: Guérin-Méneville, 1844a PDF: 426; Smith, 1853 PDF: 220; Smith, 1858a PDF: 190; Smith, 1862d PDF: 410; Mayr, 1863a PDF: 406; Roger, 1863b PDF: 38; Dalla Torre, 1893 PDF: 144; Forel, 1895b PDF: 134; Emery, 1896h PDF: 636; Forel, 1905e PDF: 158; Emery, 1906c PDF: 170; Forel, 1906d PDF: 234; Forel, 1907h PDF: 3; Forel, 1908 PDF: 354; Forel, 1908a PDF: 69; Forel, 1909a PDF: 257; Forel, 1912f PDF: 201; Bruch, 1914 PDF: 218; Wheeler, 1916c PDF: 12; Wheeler, 1916f PDF: 326; Mann, 1916 PDF: 450; Crawley, 1916b PDF: 371; Santschi, 1916e PDF: 383; Luederwaldt, 1918 PDF: 41; Wheeler, 1918b PDF: 26; Santschi, 1921h PDF: 127; Wheeler, 1922e PDF: 11; Wheeler, 1923a PDF: 4; Emery, 1924f PDF: 307; Wheeler, 1925a PDF: 36; Borgmeier, 1927c PDF: 116; Menozzi, 1935b PDF: 197; Eidmann, 1936b PDF: 83; Wheeler, 1942 PDF: 209; Kempf, 1951 PDF: 176 (redescription); Kempf, 1958a: 14; Kempf, 1961b PDF: 514; Kempf, 1972b PDF: 179; Brandão, 1991 PDF: 388; Bolton, 1995b: 427; De Andrade & Baroni Urbani, 1999 PDF: 172 (redescription); Wild, 2007b PDF: 32; Bezděčková et al., 2015 PDF: 116; Sandoval-Gómez & Sánchez-Restrepo, 2019 PDF: 913; Oliveira et al., 2021 10.1590/1806-9665-RBENT-2021-0028 PDF: 42 (in list).
Material of the unavailable name Cephalotes pusillus brevispinosa rufescens referred here by Kempf, 1951 PDF: 177; Kempf, 1958a: 14; Kempf, 1972b PDF: 180; Brandão, 1991 PDF: 388.
// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Paraguay, Peru, Suriname, Trinidad and Tobago, Venezuela
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Nearctic, Neotropical

Distribution Notes:

Paraguay: Alto Paraguay, Alto Paraná, Amambay, Boquerón, Caaguazú, Canindeyú, Central, Concepción, Cordillera, Guairá, Itapúa, Misiones, Paraguarí, Pte. Hayes, San Pedro

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Wild, A. L., 2007, A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)., Zootaxa 1622, pp. 1-55

pusillus (KlugHNS 1824).

Alto Paraguay, Alto Paraná, Amambay, Boquerón, Caaguazú, Canindeyú, Central, Concepcion, Cordillera, Guairá, Itapúa, Misiones, Paraguarí, Pte. Hayes, San Pedro, “Chaco” (Dept. unknown), “Paraguay” (s. loc.) (ALWC, IFML, INBP, LACM, MCSN, MCZC, MHNG MZSP, NHMB, NHMW). Literature records: Alto Paraguay/ Boquerón, Alto Paraná, Caaguazú, Central, Concepción, Cordillera, “Chaco” (Dept. unknown) (de Andrade & Baroni-Urbani 1999, Emery 1906, Forel 1906, Forel 1909, Santschi 1916, Santschi 1921c).

Specimen Habitat Summary

Found most commonly in these habitats: 2 times found in scrubby forest, 1 times found in 2nd growth rainforest, 1 times found in savannah, 1 times found in bosque bajo, 1 times found in Schoolyard, 2 times found in Cerrado, 1 times found in secondgrowth rainforest, 1 times found in littoral vegetation, 1 times found in mixed citrus/lawn, 1 times found in Pantanal, mata ciliar, ...

Found most commonly in these microhabitats: 3 times general collecting, 1 times in dead stick, 1 times Ground, 1 times ex dead twig, 1 times under bark, 1 times strays on vegetation, 1 times on low vegetation, 1 times on cashew, 1 times nr Alta Floresta, 1 times Near lodge, 1 times in twig, ...

Collected most commonly using these methods: 8 times direct collection, 6 times arboreal pitfall, 4 times search, 3 times manual sampling, 1 times HandCollection, 1 times porch light, 1 times at flourescent light, 1 times baited pitfall, 1 times beating vegetation (2 hours), 1 times entomological umbrella.

Elevations: collected from 19 - 1500 meters, 252 meters average

Collect Date Range: collected between 1910-12-31 00:00:00.0 and 2021-03-25 00:00:00.0

Type specimens: Holotype of Cryptocerus obtusus: casent0900237; syntype of Cryptocerus pusillus brevispinosa: casent0912617; Type of unavailable quadrinomial: Cryptocerus pusillus brevispinosa rufescens: casent0912618

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