The third segments of the antennae and the maxillary palps bear the main olfactory receptors, while the gustatory receptors are in the labium, pharynx, feet, wing margins and female genitalia, enabling flies to taste their food by walking on it.
Os terceiros segmentos das antenas e os palpos maxilares levan os principais receptores olfactivos, mentres que os receptores gustativos están no labio, farinxe, pés, marxes das ás e xenitais femininos, permitindo que saboreen a comida mentres camiñan sobre ela.