3216. Insecta, whole mounts of entire insects. 13 Color Photomicrographs. 1. Drosophila, fruit fly, adult 2. Drosophila, l.s. of adult 3. Drosophila, larva 4. Ephemeroptera, May fly, adult 5. Ephemeroptera, nymph 6. Ephemeroptera. larva 7. Embia sp., adul