Figure 5 A in Not just a taxonomist, but a naturalist! The foundations of "Froehlich's Autonomous Stonefly Republic"

Figure 5 A, Prof. Claudio Froehlich at the Museum of Zoology of University of São Paulo (MZUSP) in 1969, São Paulo, Brazil; B, CGF at the 4th International Symposium on Plecoptera, Abisko, Swedish Lapland, 1968; C, CGF and Marlene Sofia Arcifa Froehlich at the XIII International Symposium on Plecoptera, Tafí de Valle, Tucumán, Argentina, August 1998; D, CGF and Oliver Flint, both were honored at the III Symposium on Neotropical Aquatic Insects, Ribeirão Preto, São Paulo, Brazil, 2015; E, CGF in a collection expedition at the Estação Biológica de Boracéia (EBB/USP), Salesópolis, São Paulo, Brazil, 2006.