Odontomachus hastatus (Fabricius 1805)

Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia

worker petiole, lateral view

worker lateral view


Tropical Central and South America (Brown 1976). Costa Rica: throughout in wet forest to 900m.


Posterior third to half of dorsal surface of head smooth and shining; large species (head length including mandibles greater than 2.8mm).

Natural History

This is a large, aggressive species that nests in large epiphyte clumps or dead branches, from the low arboreal zone to the subcanopy. It usually occurs in the shaded conditions of mature wet forest.

Type Data

Myrmecia hastata Fabricius 1804:426. Syntype worker: Central America.

Literature Cited

Brown, W. L., Jr. 1976. Contributions toward a reclassification of the Formicidae. Part VI. Ponerinae, tribe Ponerini, subtribe Odontomachiti. Section A. Introduction, subtribal characters. Genus Odontomachus. Studia Entomol. 19:67-171.

Fabricius, J. C. 1804. Systema Piezatorum. Brunsvigae: C. Reichard. xiv + 15-439 + 30pp. Ants - p. 395-428.

Page author:

John T. Longino, The Evergreen State College, Olympia WA 98505 USA.longinoj@evergreen.edu

Date of this version: 7 January 1999
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