Keywords: Wikimania 2016 Deryck day 2 - 02 Pensa butterfly.jpg en Pensa collection of butterflies Wikimania 2016 2016-06-25 09 50 04 own Deryck Chan other versions cc-0 Wikimania 2016 by Deryck Chan Taken with Sony Xperia M5 Insect collection from Archivio Pietro Pensa Wikimania 2016 - Guided tours of the cultural heritage of Esino Lario Lepidoptera collections |