Eutropha Loew, 1866

Genus overview. Close affinities with the tribe Chloropsinini (Riccardi &Amorim, 2020) . 23 valid species occurring in the eastern hemisphere and almost invariably recorded from coastal habitats. Larvae have been reared from seal carcasses (Ismay et al. 2021; Kirk-Spriggs 2007). However, the feeding habits of most species are unknown. The diagnostic morphological features of Eutropha include ocellar triangle not reaching the frontal apex (Fig. 5A); gena wide with more than one row of pilosity; parafacial not visible; postpedicel short oval, scutum pilosity pale; wing hyaline or fumose; male terminalia without anal sclerites, surstylus short, with wide base and apex with spines, postgonite at most half-length of postgonite, pregonite bent ventrally at base (see Ismay et al. 2021; Riccardi & Amorim 2020).