Chironomidae Larvae
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Posted in Pest Worms

Chironomidae: Worms in the Swimming Pool

A reader wrote to us a while ago about worms in his swimming pool, or what are believed to be worms in his swimming pool. (The worms could be larvae, potentially of the Chironomidae family.) The worms or larvae are about an inch (2.5 centimeters) long, brown and yellow in color, and quite thin, about the width of pencil lead, according to the reader. The reader only wants to know what the brownish, yellowish worms (or larvae) in his swimming pool are, so we will limit our remarks to the matter of identification.