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Species: Strumigenys humata   Lattke & Goitía, 1997 


Classification:
Download Data

Taxonomic History (provided by Barry Bolton, 2017)

Strumigenys humata Lattke & Goitía, 1997 PDF: 385, figs. 35, 44 (w.) VENEZUELA. Neotropic. AntCat AntWiki HOL

Taxonomic history

See also: Bolton, 2000: 515.

Distribution:


Neotropical Region: Americas, Central America, Cortés, Costa Rica, Guanacaste, Heredia, Honduras, Panama, South America, Venezuela

Distribution Notes:

Venezuela, Panama, Costa Rica. Costa Rica: mid-elevation northern Cordilleras.

Biology:

Original Description:

Strumigenys humata Lattke and Goitia 1997:385-386, Figs. 35,44. Holotype worker: Venezuela, Aragua: Loma de Hierro, 10deg10'N 67deg08'W, 25.5km SE La Victoria, 1400m (J. Lattke) [MIZA].

Natural History:

Brown and Wilson (1959) summarize the genus as follows:

"Widespread in tropics and warm temperate areas. Primarily forest-dwelling; some species occur in grassland and arid scrub. ... Nests mostly in soil and rotting wood; a few species live in arboreal plant cavities in tropical rain forest. Foraging hypogaeic to epigaeic-arboreal. Food: most species are collembolan feeders; a few are polyphagous predators or occasionally feed on sugary substances..."

Members of the genus are all predaceous, with a kinetic mode of attack (Bolton 1999).

This species inhabits wet forest leaf litter. Lattke and Goitia (1997) discovered the species in a cloud forest site in the interior of Venezuela. This report and Bolton (2000) extend the range to montane cloud forest sites in Costa Rica and Panama. This species is probably widespread but undersampled.

References:

Bolton, B. 1999. Ant genera of the tribe Dacetonini (Hymenoptera: Formicidae). J. Nat. Hist. 33:1639-1689.

Bolton, B. 2000. The ant tribe Dacetini, with a revision of the Strumigenys species of the Malagasy Region by Brian L. Fisher, and a revision of the Austral epopostrumiform genera by Steven O. Shattuck. Memoirs of the American Entomological Institute 65:1-1028.

Brown, W. L., Jr., and E. O. Wilson 1959. The evolution of the dacetine ants. Quarterly Review of Biology 34:278-294.

Lattke, J., and W. Goitia 1997. El genero Strumigenys (Hymenoptera: Formicidae) en Venezuela. Caldasia 19:367-396.

Specimen Habitat Summary

Found most commonly in these habitats: 7 times found in mesophyll forest, 1 times found in mature wet forest.

Found most commonly in these microhabitats: 8 times ex sifted leaf litter, 1 times Wet forest. Ex sifted leaf litter..

Collected most commonly using these methods: 5 times MiniWinkler, 2 times MaxiWinkler, 2 times Winkler.

Elevations: collected from 700 - 1330 meters, 1230 meters average

Type specimens:



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