Probolomyrmex lamellatus

The single known specimen of this species came from a leaf-litter sample collected at in mature lowland Amazon forest.

Identification
Propodeum and petiole entirely emarginated posteriorly by a conspicuous lamella, without teeth. Postero-ventral lobe of petiole short and subquadrate. Subpetiolar process weakly developed. Prora weekly developed and dorsal protuberance on the posterior region of the first gastral tergite weakly developed.

Probolomyrmex lamellatus is similar to Probolomyrmex cegua, but the head is comparatively longer, the propodeum and petiole are unarmed and completely emarginated by a dark lamella, and the postero-ventral lobe of petiole is subquadrate.

Distribution based on Regional Taxon Lists
Neotropical Region: Brazil.

Nomenclature

 *  lamellatus. Probolomyrmex lamellatus Oliveira & Feitosa, 2019: 86, figs. 24, 25 (w.) BRAZIL.

Type Material

 * Holotype: BRAZIL: Pará: Terra Santa, FLONA, Saracá-Taquera, Base Patauá, 1°51’27.23”S 56°27’48.4”W, 70m, 25–29.viii.2016, R.M. Feitosa, E.Z. Albuquerque, R. Silva col, Winkler (worker ) [DZUP, unique specimen identifier DZUP 549767].