Ph. pallidula Nyl. ^HNS, 1849 ( Myrmica ^HNS).

Myrmica megacephala Losana ^HNS, 1834 (nec F.).

Myrmica subdentata Mayr ^HNS, 1852.

Var. Emeryi ^HNS Krausse, 1912, Intern. Ent. Zeitschr. Guben, vol. 6, p. 169, [[soldier]] [[queen]].

Var. tristis ^HNS For., 1905, Ann. Soc Ent. Belg., vol. 51, p. 204, [[soldier]] [[worker]].

Subsp. tristis ^HNS (part.) Sant., 1908, Ann. Soc Ent. Fr., vol. 77, P- 521, fig- 6 (err. 5).

Var.? symbiotica Wasm ^HNS., 1909, Biol. Centralbl., vol. 29, p. 693; vol. 30, p. 515; 9 [[male]]; an sp. distinguenda ^HNS?