3 I have watched what lives in water for most of my life. As a museum curator in entomology, I devoted part of my time to studying caddisflies – a small order of insects in which the immature stages ...

Nuclei are marked in blue. The head and legs of a caddisfly larva is seen in this image by Fabrice Parais, which won ninth prize. The caddisfly comes from a European and North American genus of ...

Fly fishers call them sedges. Caddisflies spend most of their lives as aquatic larvae. They also pupate underwater. The caddisflies preserved at McGraths Flat died as larvae and pharate adults.