FIGURES 1–8. 1 in The Muscini flies of the world (Diptera, Muscidae): identification key and generic diagnoses

FIGURES 1–8. 1. Head, Polietina orbitalis (Stein), female, lateral view. 2. Same, upper frontal view. 3. Head, Polietina major (Albuquerque), male, lateral view. 4. Head, Morellia (Xenomorellia) undescribed sp., female, frontal view. 5. Antenna, Pyrellia albocuprea Villeneuve, inner lateral view. 6. Prosternum, Biopyrellia bipuncta (Wiedemann), anteroventral view. 7. Prosternum, Morellia nigricosta Hough, anteroventral view. 8. Prosternum, Mitroplatia smaragdina (Séguy), anteroventral view. Figures 1–2 and 5 after Nihei and de Carvalho (2007a); Figure 3 after Nihei (2002). Figures 6–8 on same scale.