All specimens sampled were held at the Field
Museum of Natural History, Chicago, USA (FMNH)
or the Hungarian Natural History Museum, Budapest,
Hungary (HNHM). The tissues selected encompass
a range of conditions expected to impact on
nucleic acid integrity, including collection dates that
ranged from 1921 to 2007, and different storage conditions
that included 70% and 96% ethanol, flash frozen,
and dimethyl sulphoxide.