Ever stumbled upon a peculiar worm-like creature wiggling in stagnant water with what looks like a miniature snorkel? You've likely encountered a rat-tailed maggot! Despite the off-putting name, these fascinating larvae of drone flies (Eristalis species) are more intriguing than frightening.
Their 'rat tail' is actually a telescopic breathing tube, allowing them to thrive in oxygen-deprived, polluted environments. This incredible adaptation lets them filter feed on organic matter in nutrient-rich, often stagnant, water sources like sewage lagoons and manure pits.
While not directly harmful to humans, their presence indicates poor water quality. Finding them in your birdbath or pond? It's a sign to clean things up! They eventually metamorphose into harmless drone flies, important pollinators that resemble honeybees. So, the next time you see one, remember this bizarre creature plays a vital role in its ecosystem, turning waste into a future pollinator.