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Posted in Caterpillars Worms Facts Worms Generally

Mysterious Black Larva with Case Made from Debris Could Be a Saunders’ Case Moth Caterpillar

“My son found a few of these on his front porch,” states this reader in Severna Park, Maryland. She is referring to the organisms pictured below, which she thinks are black beetle larvae.”

Posted in Interesting Worms

Types of Pouch or Case Carrying Worms

It makes a portable case of silk mixed with plants, rock, twigs or sand. In some cases, the caddisfly uses silk alone to create its case, but for the most part, the creature covers it with sand or other debris.