Key to common families of insects in Spencer Creek
36a) Larvae in a potable case of sand grains resembling a snail shell. Body coiled if out of case;
anal claw with comb of teeth.HELICOPSYCHIDAE
36b) Case shaped otherwise if present. Branched gills may be present on ventral surface of abdomen. Anal claw forming a stout hook.37

Return to Couplet 10
Return to BioMAP Central