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Caddis Flies: 1. Dorsal view of larva of Molanna cinerea Hagen; 2. Lateral view of larva of M. Cinerea; 3. Lateral view of the pupa of M. Cinerea; 4. Dorsal view of imago of M. cinerea; 5. Accustomed resting position of the imago of M. cinerea; 6. Ventral view of the flat larval case of M. cinerea; 7. Lateral view of larva of POlycentropus lucidus Hagen showing the very long anal prolegs and the absence of gill filaments; 8. Lateral view of pupa of P. lucidus; 9. Dorsal view of imago of P. lucidus; 10. Larval case of P. lucidus; tube composed of sand and silk; the enlargement near the end is two-layered, and contains the pupa; 11. Eggs laid by P. lucidus female on a stick protruding from the water in a breeding cage

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