Megalomyrmex tasyba

Nothing is known about the biology of .

Distribution based on Regional Taxon Lists
Neotropical Region: Ecuador.

Nomenclature

 * . Megalomyrmex tasyba Brandão, 1990b: 446, figs. 91, 92 (w.) ECUADOR.
 * Type-material: holotype worker, 1 paratype worker.
 * Type-locality: holotype Ecuador: Napo-Pastaza, Limoncocha, 3.viii.1972, colony F-163, no. 4911 (C.W. Rettenmeyer); paratype with same data.
 * Type-depositories: MZSP (holotype); MCZC (paratype).
 * Status as species: Brandão, 1991: 354; Bolton, 1995b: 250.
 * Distribution: Ecuador.

Worker
Mandibles smooth with dental formula 2 + (3-4); palpal formula 3:2: anterior clypeal border without denticle: median area of clypeus depressed but not market by lateral carinae; occipital margin not raised; promesonotal suture faintly impressed: dorsal face and declivity of propodeum indistinct; declivity smooth: epipetiolar carina incomplete; inferior propodeal plates quadrate in side view; pedunculate petiole with anterior margin curve in side view; dorsal margin of petiolar node round in frontal aspect with a small prominence at the center; ventral face of petiole with an anterior denticle but no longitudinal flange; ventral process of postpetiole globose.

Pilosity: long erect and brigth hairs (ca. .15mm) at head, dorsum of thorax and pedicel and covering the gaster. Smaller subdecumbent hairs at legs.

Color: reddish brown except for the yellowish legs, mandibles and antennal club.

Type Material
Limoncocha, Napo-Pastaza, Ecuador (00°24'S, 76°36'W). Holotype at Museu de Zoologia da USP and paratype at Museum of Comparative Zoology, Harvard. The types have been collected by C.W. Rettenmeyer in August, 3, 1972 (accession number 4911, colony F- 163).

Etymology
The word tasyba is one of the names for ants in general in Tupi.