Trichophthalma (Eurygastromyia) amaena Bigot, 1881: 20 .

(Figs. 43–44)

Eurygastromyia niveicincta Lichtwardt, 1910: 610 . Type-locality: Argentina, Chubut, Valle del Lago Blanco.

Trichophthalma amoena of authors misspelling.

Holotype. Lost, “ Chile ” . Neotype. Male (MCCC), Chile, Llanquihue, Casa Pangue .

Distribution. Argentina. (Neuquén, Río Negro, Chubut). Chile. Región del Biobío: Concepción Province (Hualpén). Región de Los Lagos: Llanquihue Province (Casa Pangue). Región de Magallanes: Magallanes Province (Estero Guayrabo, Ojo Bueno, Punta Arenas, Parcelas, NP Torres del Paine) (Fig. 53). Uruguay.

References. Lichtward, 1910: 608, 609 (as syn. of T. landbecki, as amaena,); Edwards, 1930: 181 (in key), 182 (com., as amoena, misspelling); Bequaert, 1932: 29 (com.); Stuardo, 1934b: 243–245 (biol., dist., as T. amaena); Stuardo, 1939: 78 (as amaena); Stuardo, 1946: 97 (cat., [ Trichophthalma (Trichophthalma)], as amaena); Papavero, 1968: 2 (cat., as amoena); Angulo, 1971: 44 (in key), 100–102 (redes., figs. 79 (sper.), 80 (male ter.), 87 (aede.), 143 (dist.) (Trichopthalma, as amaena); Bernardi, 1973: 250 (list, as amoena); Cekalovic & Artigas, 1974: 242 (cat., as amaena); Angulo, 1976: 197 (com., dist.); Bernardi, 1976: 197 (dist., as amoena); Angulo, 1987: 9 (list, as amoena); Aizen et al., 2002: 83 (list), 84 (com., as amoena); Vázquez & Simberloff, 2002: 621 (list, as amoena); Vázquez & Simberloff, 2003: 1081 (list); Devoto & Medan, 2006: 32 (ecol., biol.), 33–34 (list), 36–37 (com., as amoena); Medan & Devoto, 2008: 156, 157 (fig. adult), 158 (com.), 159 (in key, as amoena); Papavero & Bernardi, 2009a: 8 (cat.); Kosmann et al., 2014: 411 (wing, in key), 415 (list, as amoena).

Biology. The species have been recorded by citizen scientists to feed on flowers of Embothrium coccineum J. R. Forst & G. Forst and Spartium junceum Linneus.Additionally, according to Vasquéz & Simberloff (2003). T. amaena visits the flowers of Berberis microphylla G. Forst (mentioned as B. buxifolia), Berberis darwinii Hook, Ribes magellanicum Poiret, and Schinus montanus Raddi (mentioned as S. patagonicus). Moreover, Devoto & Medan (2006) described that T. amaena visiting the flowers of Azara lanceolata Hooker and Gaultheria phillyreaefolia (Pers.) Sleumer.