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Posted in Interesting Worms Worms Facts Worms Generally

Long Line of Larvae Piled On Top of One Another is a Fungus Gnat Snake

“What the heck is this?” asks this reader in his submission regarding the long line of worm-like creatures crawling on top of each other in the picture below. “I found them on an outdoor rug in the morning in Northern Virginia. What our reader found on his rug is what is referred to as a ‘fungus gnat snake’. Clearly, this is not an actual snake, but it is a horde of fungus gnat larvae. These are the youngest form of the fungus gnat, which is a species of fly that, like most species of flies, feeds on rotting organic matter, as do their larvae. They can usually be found in compost bins when the matter inside has been left for a significant amount of time to rot.