Adelomyrmex silvestrii (Menozzi 1931)

Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia

worker lateral view
worker dorsal view

worker face view

worker lateral view

worker face view

Additional SEM images of worker: anterior view of clypeus (small, large), lateral view of head (small, large), dorsal view of mesosoma (small, large), lateral view of petiole and postpetiole (small, large).


Mexico to Costa Rica (type locality) (Fernandez 2003). Costa Rica: widespread in wet to moist forests throughout country, from lowland rainforests of La Selva and Corcovado to montane cloudforest of Monteverde.


Posterior margin of postpetiole drawn out into an acute tooth projecting over gaster; WL=0.55mm (n=1).

Natural History

Inhabits forest floor litter. Known from Winkler and Berlese samples.

Type Data

Apsychomyrmex silvestrii Menozzi 1931:270. Syntype workers: Costa Rica, San Jose (Tristan).

Literature Cited

Fernández C., F. 2003. Revision of the myrmicine ants of the Adelomyrmex genus-group (Hymenoptera: Formicidae). Zootaxa 361: 1–52.

Menozzi, C. 1931. Contribuzione alla conoscenza del "microgenton" di Costa Rica. III. Hymenoptera - Formicidae. Boll. Lab. Zool. Gen. Agrar. R. Sc. Super. Agric. 25:259-274.

Page author:

John T. Longino, The Evergreen State College, Olympia WA 98505

Date of this version: 2 December 2003.
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