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genus
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Odontomachus
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Japanese Name
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Agito-ari-zoku
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Original Reference
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Latreille, P.A. (1804) Tableau m?thodique des insectes. Classe huiti?me. Insectes, Insecta. Nouveau Dictionnaire d'Histoire Naturelle 24: 129-200.
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Synonym
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Pedetes Bernstein, 1861,
Champsomyrmex Emery, 1892,
Myrtoteras Matsumura, 1912,
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Description
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Head subrectangular, with a median constriction, the sides appearing somewhat sinuate in dorsal view. Mandibles linear, inserted near the midline of the anterior margin of the head, their apices abruptly angled mesally. Antennae 12-segmented. Eyes well developed, situated anterodorsally. Trunk slender; promesonotum more or less elevated. Legs long and slender. Petiole subconical, drawn dorsally to a single strong, acute median spine. The IV abdominal segment is tubulate, but its girdling constriction weaker than in other ponerine ants, including the related Anochetus.
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Remarks
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Similar to Anochetus Mayr, but separable by the presence of a median apophysial line on the posterior dorsum of the head. Brown (1976) classified Odontomachus with Anochetus in a subtribe Odontomachiti of tribe Ponerini. We, however, follow Wheeler & Wheeler (1985) (and almost all previous authors) and refer these genera to a separate tribe, Odontomachini (Myrmecological Society of Japan Editorial Committee (ed.) ,1988). The mandibles function as snap jaws and can open widely, almost to 180 degrees. Odontomachus comprises about 50 species and ranges widely, worldwide in tropical and subtropical regions, and in some temperate areas. It is represented in Japan by two species, O. monticola and O. sp. 2 (undetermined).
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References
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- Dufour, L. 1857. M?langes entomologiques. Ann. Soc. Entomol. France, (3)5: 39-70.
- Voyage de M. Ch. Alluaud dans le territoire d'Assinie (Afrique occidentale) en juillet et ao?t 1886. Formicides. Annales de la Soci?t?
Entomologique de France 60: 553-574.
- Matsumura, S. 1912. Thousand insects of Japan. Supplement IV. 247 pp. Keishu-sha, Tokyo.
- Brown, W. L., Jr. (1976). Contribution toward a reclassification of the Formicidae. Part VI. Ponerinae, tribe Ponerini, subtribe Odontomachini. Section A. Introduction, subtribal characters, genus Odontomachus. . Stud. Ent., 19, 67-171.
- Myrmecological Society of Japan, Editorial Committee (ed.) (Ed.). (1988). A list of the ants of Japan with common Japanese names. The Myrmecological Society of Japan, Tokyo.
- Wheeler, G. C. & J. Wheeler (1985). A simplified conspectus of the Formicidae. . Trans. Am. Ent. Soc., 111, 255-264.
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Editor
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Original text by Masaaki Morisita. Revised by Masashi Yoshimura. English translation by Kazuo Ogata and Keiichi Onoyama, edited by Robert W. Taylor.
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