Mortarjoint-casemaker
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Psilotreta labida
mortarjoint casemaker
Psilotreta labida is a species of caddisfly in the family Odontoceridae, commonly known as the mortarjoint casemakers. The species was described by Ross in 1944. It is known from North America. Larvae in this family construct distinctive case structures using sand grains and silk, cemented together in a manner resembling mortar joints.