Head grey-dusted throughout, with exception of silver-white-dusted frontal plate and parafrontalia.
The frontal plate and parafrontlia of the head are golden silver-dusted.
Head grey-dusted all over, with the exception of the golden silver-dusted frontal plate and parafrontalia.
The bicompressed head, with the enlarged and flattened vertex and frons, is referred to as the frontal plate in this work.
Forelegs yellow, mid and hind legs red; frontal plate posteriorly rounded (Fig.
This species has the following autapomorphies: posteriorly rounded frontal plate; short labium; forelegs color contrasting with mid and hind legs; and, vestiges of median flexion line and claval vein visible.
Head: Clypeus large, rounded distally, extending well below bucculae; frons strongly flattened, leading edge of frontal plate evenly arcuate, posteriorly truncate (Fig.
This species is the most distinct of all the species of Myrmecoroides, with its highly autapomorphic head (relatively shortened clypeus, and the crestlike frontal plate, Fig.
DIAGNOSIS: This species is recognized by the following combination of characters: slender species (Figs 9, 10), dorsum mostly fuscous, with orange and white markings; clypeus elliptoid, distally rounded (Figs 2b, 4c, f); frontal plate evenly arcuate, obtusely tapered posteriorly (Figs 2a, b, 4c, d); first antennal segment elongate, bottle-shaped (Figs 2b, 9, 10); second antennal segment cylindrical (Figs 9, 10); labium short; hind tibiae linear, with elongate, pale bristlelike setae; genital opening of pygophore without tubercles (Figs 2g, h, 11a); left paramere L-shaped (Fig.