Overview

Comprehensive Description

Odontomachus brunneus (Patton HNS 1894).

Literature records: “Paraguay” (s. loc.) (Brown 1976).

Odontomachus brunneus HNS is a North American species unlikely to be conspecific with South American forms. Name almost certainly refers to Odontomachus HNS sp. alw-01.

  • Wild, A. L. (2007): A catalogue of the ants of Paraguay (Hymenoptera: Formicidae). Zootaxa 1622, 1-55: 42-42, URL:http://www.antbase.org/ants/publications/21367/21367.pdf
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Wild, A. L.

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Taxonomic History

Atta brunnea Patton, 1894 PDF: 618 (w.) U.S.A. AntCat AntWiki

Taxonomic history

Combination in Odontomachus: Emery, 1895d PDF: 268.
Junior synonym of Odontomachus insularis: Emery, 1895d PDF: 268.
Revived from synonymy and senior synonym of Odontomachus fuscus Stitz, 1925c PDF: Brown, 1976a: 103.
See also: Brown, 1976a: 139.
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Distribution

SE U.S. to Paraguay and Bolivia, W. Indies (brunneus in the sense of Brown 1976, which includes ruginodis).

 

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Physical Description

Diagnostic Description

Taxonomic Treatment

Wild, A. L., 2007:
 Literature records: “Paraguay” (s. loc.) (Brown 1976).
 Odontomachus brunneus is a North American species unlikely to be conspecific with South American forms. Name almost certainly refers to Odontomachus sp. alw-01.
 
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Literature records: “Paraguay” (s. loc.) (Brown 1976).

 

Odontomachus brunneus is a North American species unlikely to be conspecific with South American forms. Name almost certainly refers to Odontomachus sp. alw-01.

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Wild, A. L.

Source: Plazi.org

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Odontomachus brunneus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
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Wikipedia

Odontomachus brunneus

Odontomachus brunneus is a species of ant in the subfamily Ponerinae, found in the southeastern United States, parts of Central America, and the West Indies.

Overview[edit]

Ants of the genus Odontomachus are commonly called trap-jaw ants, due to the large, straight mandibles, which can be opened to 180 degrees and snapped shut on prey. When sensory hairs on the inside of the mandibles are touched, the trap jaw is triggered. The mandibles also permit slow and fine movements for other tasks such as nest building and care of larvae.[2]

Speed record[edit]

Trap-jaw ants of this species have the fastest moving predatory appendages within the animal kingdom.[2] One study recorded peak speeds of between 126 and 230 km/h (78 - 143 mph), with the jaws closing within just 130 microseconds on average. The peak force exerted was in the order of 300 times the body weight of the ant. The ants were also observed to use their jaws as a catapult to eject intruders or fling themselves backwards to escape a threat.[2]

Footnotes[edit]

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