Stable fly
transform into reddish-brown pupae 4–7 mm long. Adults emerge 6–20 days later. In summer, flies can complete their life cycle in 3–4 weeks. [...] intermittent feeders, returning time and again to feed off animals in short 2–5 minute sessions. The bites are extremely painful, but the flies will typically [...] dent, but yellowish-white larvae will generally emerge from the eggs in 1–4 days. They are typical maggots ranging in size from 5–12 mm long, and they