Tapered Drone Fly Eristalis pertinax

This hoverfly's larvae are ultimate survivors of grotesque habitats. The rat-tailed maggots thrive in drainage ditches, sewage, and manure piles—environments so polluted and oxygen-poor that most aquatic creatures would perish. The 'rat tail' is actually a breathing tube that allows larvae to extract oxygen from stagnant water. First described in 1763, these tapered drone flies have been nature's cleanup crew for centuries. Found across Europe and Asia, they're a testament to adaptation, turning humanity's waste into their triumph.