Attini, Myrmicinae, Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
Mexico, Costa Rica, Panama. Costa Rica: northern Pacific lowlands.
Anteromedian pair of promesonotal spines absent; middle of ring of promesonotal spines with pair of small tubercles; propodeal spines stout and curved anteriorly. Mycocepurus curvispinosus also appears to have an enlarged metapleural gland bulla compared to smithii and tardus.
Mackay described this species from five workers captured in a pitfall trap from Lomas Barbudal, a dry forest site in Guanacaste Province. He also reported a collection from 24km SW Cintalpa, Chiapas, Mexico. I collected a worker in a Winkler sample of sifted leaf litter from a small patch of riparian forest at Finca La Pacifica, also in Guanacaste Province. Specimens of M. smithii were in the same Winkler sample.
See also MacKay et al. (2004).
MacKay, W. P. 1998. Dos especies nuevas de hormigas de la tribu Attini de Costa Rica y Mexico: Mycetosoritis vinsoni y Mycocepurus curvispinosus (Hymenoptera: Formicidae). Revista de Biologia Tropical 46:421-426.
Mackay, W. P., J. M. Maes, P. R. Fernandez, and G. Luna. 2004. The ants of North and Central America: the genus Mycocepurus (Hymenoptera : Formicidae). 7pp. Journal of Insect Science, 4:27, Available online: insectscience.org/4.27
John T. Longino, The Evergreen State College, Olympia WA 98505 USA.email@example.com
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