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Species: Cephalotes grandinosus   (Smith, 1860) 

Classification:
Download Data

Taxonomic History (provided by Barry Bolton, 2019)

Cryptocerus grandinosus Smith, 1860c PDF: 76, pl. 4, fig. 5 (w.) BRAZIL. Neotropic. AntCat AntWiki HOL

Taxonomic history

Emery, 1894d PDF: 219 (s.q.).
Combination in Cryptocerus (Cyathocephalus): Santschi, 1919f PDF: 47; in Paracryptocerus (Harnedia): Kempf, 1952 PDF: 11; in Zacryptocerus: Brandão, 1991 PDF: 386; in Cephalotes: De Andrade & Baroni Urbani, 1999: 433.
Junior synonym of Cephalotes pinelii: Emery, 1890c PDF: 75; Forel, 1895b PDF: 134.
Revived from synonymy: Luederwaldt, 1918 PDF: 41.
Senior synonym of Cephalotes nevadensis: Kempf, 1952 PDF: 11.

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Bolivia, Brazil, Colombia, Costa Rica, Ecuador, Panama, Paraguay, Venezuela
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Neotropical

Distribution Notes:

Costa Rica to Brazil, Bolivia. Costa Rica: Osa Peninsula, Guanacaste Province (5km S Liberia; Palo Verde).

Biology:

Natural History:

This species appears to be rare in Costa Rica. Andrade and Baroni Urbani (1999) report a collection by Janzen from near Liberia. I have collected it twice, once as stray workers from Palo Verde, and a nest collection from Corcovado (Sirena). The nest was in the high canopy of a Licania tree (Chrysobalanaceae). Much of the crown of this tree was inhabited by an Azteca species, nesting in the live branch tips. But one chamber in a branch tip contained a C. grandinosus nest. The nest contained a few workers and one callow alate queen. There were no Coccoidea inside, in contrast to the Azteca nests which were packed with Coccoidea.

References:

Andrade, M. L. de, and C. Baroni Urbani. 1999. Diversity and adaptation in the ant genus Cephalotes, past and present (Hymenoptera, Formicidae). Stuttgarter Beitrage zur Naturkunde Serie B (Geologie und Palaontologie) 271:1-889.

Kempf, W. W. 1952. A synopsis of the pinelii-complex in the genus Paracryptocerus (Hym. Formicidae). Stud. Entomol. 1:1-30.

Smith, F. 1860. Descriptions of new genera and species of exotic Hymenoptera. J. Entomol. 1:65-84.

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

Cephalotes grandinosis (F. SmithHNS 1860).

Literature records: Central(?), Concepción, “Paraguay” (s. loc.) (Emery 1896b, Forel 1907b, Forel 1907d).

Records probably pertain to persimillisHNS, C. grandinosusHNS has a more northerly distribution (De Andrade and Baroni-Urbani 1999).

Specimen Habitat Summary

Found most commonly in these habitats: 1 times found in Canopy of Licania, 1 times found in seasonally dry scrubby vegetation, 1 times found in tropical dry forest, 1 times found in bosque bajo.

Found most commonly in these microhabitats: 1 times lowland rainforest, 1 times strays, 1 times on low vegetation, 1 times nest in twig above ground, 1 times mature lowland rf, 1 times foraging on tree.

Collected most commonly using these methods: 2 times search, 2 times direct collection.

Elevations: collected from 10 - 540 meters, 172 meters average

Type specimens: Holotype of Cephalotes grandinosus: casent0900236; syntype of Cephalotes grandinosus nevadensis: casent0909294



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