Costa Rica: lowlands of both slopes.
This species occurs in open, highly disturbed habitats. It nests in the soil and under stones.
J. Longino, 29 Apr 2014: I consider this a jr. syn. of
Wilson, E. O.:
etymology L laticornis , broad-horned, referring to the basally widened scape.
Diagnosis A member of the diligens group close to coffeicola and vafra and differing from that species and other diligens group members by the following combination of traits.
Major: scape broadened at the base, wider there than near the apex; head dark yellow, with brown spot on vertex; propodeal spines reduced to denticles.
Minor: propodeal spines reduced to denticles; occiput narrowed, with nuchal collar. Other traits as illustrated.
measurements (mm) Holotype major: HW 1.02, HL 1.08, SL 0.76, EL 0.18, PW 0.58. Paratype minor: HW 0.48, HL 0.60, SL 0.76, EL 0.14, PW 0.34.
color Major: body and head dark yellow, with fuzzy, circular brown spot on vertex, except for gaster, which is yellowish brown. Minor: mesosoma, petiole, and appendages dark yellow; head, postpetiole, and gaster yellowish to plain light brown.
range Known from the type locality and from Agua Caliente and Cartago, Costa Rica.
figure Upper: holotype, major. Lower: paratype, minor. COSTA RICA: Palmar, Puntarenas (E. O. Wilson). Scale bars = 1 mm.