noun
black-veined white (butterfly, Aporia crataegi)
A species of butterfly found in Japan and Eurasia; the Japanese name refers to its white wings with black veins.
北海道では、初夏にエゾシロチョウがよく見られる。
In Hokkaido, the black-veined white butterfly is often seen in early summer.
The name エゾシロチョウ combines 蝦夷 (Ezo, old name for Hokkaido) with 白蝶 (white butterfly), referring to its white wings and northern distribution.