Pseudomyrmex laevifrons

Identification
Ward (1989) - This is a small (worker HW 0.48-0.56, n=14) distinctive species with closely contiguous, anterodorsally elevated frontal carinae; a smooth, shiny, puncticulate head; long eyes; and, in the workers, an unusually shaped propodeum such that the basal and declivitous faces meet at a sharp angle.

Distribution
The known range of P. laevifrons extends from Costa Rica to Bolivia and Brazil.

Nomenclature

 * laeviceps. Pseudomyrma laeviceps Smith, F. 1877b: 63 (w.) BRAZIL. [Misspelled as leviceps by Dalla Torre, 1893: 57.] Combination in Pseudomyrmex: Kusnezov, 1964: 83. [Junior primary homonym of laeviceps Smith, F. 1859a: 145, above.]. Replacement name: laevifrons Ward, 1989: 440.
 *  laevifrons. Pseudomyrmex laevifrons Ward, 1989: 440. Replacement name for laeviceps Smith, F. 1877b: 63, above. [Junior primary homonym of laeviceps Smith, F. 1859a: 145.]

Pseudomyrma laeviceps

Holotype worker in. With two labels, “Aru 21” and “Aru.”

Type Material
Ward (1989) - Two syntype workers, Para. Brazil [Examined]. One syntype worker here designated LECTOTYPE.