Formica pergandei

This species nests in the soil, and enslaves other Formica spp. (Formica fusca and Formica  pallidefulva). Reproductives were found in a nest in August. (Mackay and Mackay 2002)

Identification
The metanotal impression of this species is deep, the head is usually broader than long, the eyes of the majors fail to reach the sides of the head, and there are usually 1 - 4 hairs on the underside of the head. The hairs on the gaster are abundant, but are approximately as abundant (and of the same length) as the hairs on the pronotum. The length of the scape is less than or equal to the length of the head. (Mackay and Mackay 2002)

Distribution
Canada, Quebec. United States: northeastern US, west to North Dakota and south to New Mexico.

Distribution based on Regional Taxon Lists
Nearctic Region: United States.

Habitat
In New Mexico (Mackay and Mackay 2002) - Aspen forests, disturbed areas.

Biology
This slave-maker enslaves colonies of Formica difficilis.

Nomenclature

 *  pergandei. Formica pergandei Emery, 1893i: 646, pl. 22, fig. 1 (w.) U.S.A. Combination in F. (Raptiformica): Emery, 1925b: 259. Junior synonym of subintegra: Wilson & Brown, 1955: 120. Revived from synonymy and senior synonym of sublucida: Buren, 1968a: 28. See also: Snelling, R.R. & Buren, 1985: 72.
 * sublucida. Formica sublucida Creighton, 1950a: 472 (w.q.) U.S.A. [First available use of Formica sanguinea subsp. rubicunda var. sublucida Wheeler, W.M. 1913f: 408; unavailable name.] Junior synonym of subintegra: Wilson & Brown, 1955: 120; of pergandei: Buren, 1968a: 28.