Genus-level-identification
Guides
Chimarra
Little Black Caddisflies
Chimarra is a large genus of caddisflies (Trichoptera: Philopotamidae) containing more than 630 described species. Adults are commonly known as "little black caddisflies" due to their characteristic dark coloration. The genus has undergone extensive radiation, with species distributed across multiple continents including North America, South America, Europe, Africa, and Asia. Molecular studies have investigated the evolutionary history and biogeographic patterns of diversification within this genus.