Genus Nomamyrmex (Ecitoninae)

• Nomamyrmex Borgmeier, 1936b: 55 (as subgenus of Eciton) . Type species: Eciton crassicorne Smith, by original designation. Nomamyrmex raised to genus: Borgmeier, 1953: 4.

• OVERVIEW.   A genus of two species, a subspecies of only one reaching the United States. They are subterranean though carrying on terrestrial raids. Raiding is in columns of several ants wide and a few meters long and is sometimes done during the daylight hours (Smith, D.R. 1979: 1329).
• ZOOGEOGRAPHICAL REGIONS.  New World.
• RECOGNITION.   Width of scape near its apex more than one-third its entire length. Tarsal claw with median tooth. Found in southern Texas and Mexico.
• TRIBE.  Ecitonini.
• REVISIONS.   Borgmeier, 1955: 135–161.
• TAXONOMY.   Borgmeier, 1953: 4.— Borgmeier, 1958a: 201–203.— Watkins, 1977a: 203–214.— Bolton, 1994: figs. 72–73 (SEM (full face and lateral view) of w.) .—Bolton, 2003: 279.

• wilsoni. Eciton (Labidus) esenbecki st. wilsoni Santschi, 1919d: 366 (m) . [USA] Combination in E. (Nomamyrmex): Smith, M.R. 1951c: 779; in Nomamyrmex: Borgmeier, 1953: 13.

• DISTRIBUTION. Extreme southern Texas south to Costa Rica.
• TAXONOMY. Wheeler, W.M. 1908h: 409 (description of m.) .— Borgmeier, 1955: 139.— Watkins, 1977a: 205.— Watkins, 1985: pl. 2, figs. 1,6, pl. 4, fig. 1, pl. 6, fig. 1 (figure (full face, lateral, and top views) of w., figure (full face view) of m.) .