noun
leafroller moth; tortrix moth
Refers to moths of the family Tortricidae, whose larvae roll leaves. Typically used in biological or gardening contexts.
ハマキガの幼虫が葉を巻いて巣を作っている。
The leafroller moth larvae are rolling leaves to make nests.
From 葉巻 (はまき, 'leaf roll') + 蛾 (が, 'moth'), referring to the larval habit of rolling leaves.