of, relating to, or belonging to the Pieridae, a family of butterflies including the whites and brimstones
pieridine in American English
(paɪˈɛrəˌdaɪn; paɪˈɛrədɪn)
adjective
of a large family (Pieridae) of small or medium-sized butterflies, usually white or yellow with dark markings, including the sulfur and cabbage butterflies