Key to common families of insects in Georgian Bay
19a)Case made of wood. Prosternal horn present below head.LIMNEPHILIDAE 19b)Case made of sand or vegetation. Small larvae.Hydroptilidae & Leptoceridae Return to Couplet 18 Return to BioMAP Central
19b)Case made of sand or vegetation. Small larvae.Hydroptilidae & Leptoceridae Return to Couplet 18 Return to BioMAP Central
