Lepdata Database version 2 (not yet available)
Piel, W. H., L.F. Gall, J. O. Oliver, and A. Monteiro. 2012. Lepdata: a Database of Butterfly Wing Patterns. Version 1.0, http://www.lepdata.org
Copyright on images can be credited to Piel, Gall, Oliver, Monteiro, and the Yale Peabody Museum. Licensing of image distribution follows Creative Commons Attribution-NonCommercial-ShareAlike (CC BY-NC-SA 3.0).