yellow hornet; Japanese yellow hornet
A subspecies of the Japanese hornet (Vespa simillima xanthoptera). Often distinguished from the similar-looking ケブカスズメバチ (Vespa simillima simillima).
See also: ケブカスズメバチ (けぶかすずめばち)
The yellow hornet is highly aggressive, and it is dangerous to approach its nest.
In this area, yellow hornets are often seen in the summer.