noun
brown hornet; Vespa dybowskii
A specific hornet species; the name is a biological common name.
チャイロスズメバチは他のスズメバチの巣に寄生することで知られている。
The brown hornet is known for parasitizing the nests of other hornets.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling is rare and mainly used in taxonomic or older texts.
Compound of 茶色 (ちゃいろ, 'brown') + 雀蜂 (すずめばち, 'hornet'). The exact derivation is straightforward; the name describes the insect's coloration.