オオスズメバチ
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Meanings
1
Asian giant hornet; yak-killer hornet
usually written using kana alone
Refers specifically to Vespa mandarinia, the world's largest hornet. The name 'yak-killer hornet' is a colloquial English term.
See also: スズメバチ
The Asian giant hornet is the largest hornet in Japan.
If you find an Asian giant hornet nest in the mountains, do not approach it.