Wiktionary
lepidoptery
n. 1 The scientific study of the lepidoptera (butterflies and moths). 2 The hobby of butterfly collecting.
Usage examples of "lepidoptery".
Sirin burped up the grateful butterflies and resumed his lepidoptery work in a community that was much more friendly to scientists and their specimens.
Sammy chased after it with a broom in one hand and a handbook of lepidoptery in the other.