Key to common families of insects in the Niagara region
42a) Mandibles large, readily noticeable from above. HYDROPHILIDAE 42b) Mandibles not readily evident from above. 43 Return to Couplet 41 Return to BioMAP Central
42b) Mandibles not readily evident from above. 43 Return to Couplet 41 Return to BioMAP Central
