Photographs of Rhyacophila lezeyi cocoons. The scale is 1 mm. 3A: The cocoons were first kept in distilled water. 3B: Two minutes after transfer to a saturated NaCl solution. 3C: Five minutes after returning to distilled water. The water temperature was about 20°C.

 
 
  Part of: Aoya K, Hayakawa A, Iwata T, Tanida K (2023) Shrinking pupal cocoons of Rhyacophila lezeyi (Trichoptera, Rhyacophilidae) in a highly acidic stream during the summer season. Contributions to Entomology 73(2): 131-136. https://doi.org/10.3897/contrib.entomol.73.e107479