noun
woolly apple aphid; snow insect (autumn)
Refers to small white flies, especially the woolly apple aphid, that appear in late autumn or early winter in Tohoku and Hokkaido. Often seen drifting like snowflakes.
北海道では、秋になると雪虫が飛び始める。
In Hokkaido, snow insects start flying around in autumn.
雪虫がたくさん飛ぶと、もうすぐ雪が降ると言われている。
They say that when many snow insects are flying, snow will fall soon.
noun
winter stonefly; snow insect (spring)
Refers to small flies, such as certain winter stoneflies or crane flies, that appear above fallen snow in early spring. Less commonly known than the autumn type.
早春の雪の上を歩いていると、雪虫を見かけることがある。
When walking on the snow in early spring, you may spot snow insects.
Compound of 雪 (yuki, 'snow') and 虫 (mushi, 'insect'), referring to small white insects that appear around snowy seasons.