Rhyacophila lezeyi pupae inside cocoons collected in Shibukuro Stream. 1A: Normal (turgescent) cocoon (29 Aug 2018). 1B: Shrinking cocoon (19 Aug 2019). The scale is 5 mm.

 
 
  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