Myrmostenus

Narrow-head Carpenter Ants

Diagnosis. Emery (1925). - "Queen. - Large species; body narrow and very long. Head depressed, very much longer than broad, with lateral margins parallel and posterior head margin either truncate or concave, or with lateral head margins converging posteriorly. Clypeus less depressed than cheeks, carinate, produced anteriorly and scalloping more-or-less marked. Frontal carinae rather short, sinuate; antennal toruli placed about at midlength of carinae. Mandibles weakly curved and with long apical tooth (C. mirabilis, Emery), or very curved with subequal teeth. Mesosoma very long and narrow. Petiolar scale thick, subnodiform; gaster very long. Worker (and soldier?) and male unknown.

Geographical distribution of species. - Confined to Peru, Bolivia, and Brazil [Brazilian records from MacKay (1997)."

(Translated and edited by B. E. Boudinot, 19 February 2017.)

Myrmotemnus is currently a subgenus of Camponotus.

Nomenclature

 *  MYRMOSTENUS [subgenus of Camponotus]
 * Myrmostenus Emery, 1920b: 250 [as subgenus of Camponotus]. Type-species: Camponotus mirabilis, by original designation.

Identification
MacKay (1997) revised Myrmostenus and provided a key to all species.