Rogeria inermis Mann 1922

Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia

worker lateral view

worker face view


Guatemala to Panama; sea level to 1250m. Costa Rica: widespread in wet forest, sea level to 500m.


Undamaged hair on mesosoma dorsum mostly erect to suberect; decumbent hairs much less abundant than longer, more erect pilosity; propodeal spines reduced to short tubercles; WL 0.60-0.85mm.


This species is commonly collected from Berlese or Winkler samples of forest floor leaf litter (Kugler 1994, additional Longino Winkler samples from Manuel Antonio, Hitoy Cerere, Turrialba, Sirena, La Selva). At La Selva Biological Station, Longino observed workers scattered over the newly sawed face of a dead log.

Additional Images

Queen: lateral view (reduced, original); face view (reduced, original).

Literature Cited

Kugler, C. 1994. Revision of the ant genus Rogeria (Hymenoptera: Formicidae) with descriptions of the sting apparatus. Journal of Hymenoptera Research 3:17-89.

Page authors:

Grant Ramsey, The Evergreen State College, Olympia WA 98505 USA.

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

Charles Kugler, Radford University, Radford VA 24142 USA.

Date of this version: 23 July 1998
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