lepidopterist
A person who catches and collects, studies, or simply observes lepidopterans, members of an order encompassing moths and the three superfamilies of butterflies, skipper butterflies, and moth-butterflies.
http://en.wikipedia.org/wiki/Lepidopterist
colocynth
A viny plant native to the Mediterranean Basin and Asia. It produces a lemon-sized, yellowish, green-mottled, spongy, and extremely bitter fruit, a powerful hepatic stimulant and hydragogue cathartic used as a strong laxative. Also see vine of Sodom.
http://en.wiktionary.org/wiki/colocynth
