An example of the standardized photographs produced during this project. These are later sent to taxonomic experts for identification and can be used for automated image recognition. They will also be visible online on

  Part of: Caspers M, Willemse L, Miracle EG, van Nieukerken EJ (2019) Butterflies in bags: permanent storage of Lepidoptera in glassine envelopes. Nota Lepidopterologica 42(1): 1-16.