castaneus. Formica castanea Latreille, 1802c: 118, pl. 3, figs. 11, 12 (w.q.m.) U.S.A. Wheeler, W.M. 1910d: 321 (s.). Combination in Camponotus: Roger, 1863b: 6; in C. (Camponotus): Forel, 1914a: 266; in C. (Tanaemyrmex): Creighton, 1950a: 375. Senior synonym of mellea (and its junior synonym clarus): Mayr, 1886d: 420; Forel, 1886f: 141.