Anochetus diegensis Forel 1912

Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia

worker face view

worker lateral view

Range

Costa Rica to hylean South America. Costa Rica: southwestern lowlands.

Identification

Combined length of head and closed mandibles 1.75-2.2mm; petiolar node as seen from the front or rear with apical margin distinctly concave, the 2 free corners forming angles or produced as teeth; second segment of antennal funiculus more than twice as long as broad; compound eyes greater than 0.08mm greatest diameter.

Natural History

Anochetus are presumably predators, using their snapping mandibles much like their larger relatives, Odontomachus. However, there are few direct observations.

A. diegensis is known from one collection in Costa Rica: Puntarenas: 19km S Ciudad Neily, 829'N, 8258'W, 20m (J. Longino). Patch of lowland primary rain forest with trees being felled. Ex sifted leaf litter from forest floor.

Type data

Anochetus diegensis Forel 1912. Syntype worker: Colombia, Sierra Nevada de Santa Marta, Don Diego.

Literature Cited

Brown, W. L., Jr. 1978. Contributions toward a reclassification of the Formicidae. Part VI. Ponerinae, tribe Ponerini, subtribe Odontomachiti. Section B. Genus Anochetus and bibliography. Studia Entomol. 20:549-652.

Forel, A. 1912. Formicides neotropiques. Part I. Ann. Soc. Entomol. Belg. 56:28-49.


Page author:

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


Date of this version: 20 December 1998
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