Interactive image window for morphology.
Part of:
Cappellari A, Mei M, Lopresti M, Cerretti P (2018) BumbleKey: an interactive key for the identification of bumblebees (Hymenoptera, Apidae) of Italy and Corsica. ZooKeys 784: 127-138.
https://doi.org/10.3897/zookeys.784.25765