noun
Asian hornet; Asian predatory wasp
Refers specifically to Vespa velutina, an invasive hornet species in parts of Asia and Europe. In Japanese contexts, it is often discussed as a threat to honeybees.
ツマアカスズメバチはミツバチを襲う外来種です。
The Asian hornet is an invasive species that attacks honeybees.
今年、ツマアカスズメバチの巣が公園で見つかった。
This year, a nest of Asian hornets was found in the park.
Compound of つま (tsuma, 'edge' or 'tip'), あか (aka, 'red'), and すずめばち (suzumebachi, 'hornet'), referring to the reddish tip of the abdomen. The exact derivation is uncertain, but the name is descriptive.