Found another species of hornet (kogata-suzume-bachi) today. This one was hunting around some plants/flowers next to the river. These hornets attack bees/wasps and carry the meat of the thoraxes back to their nests.

Japanese hornets page (in Japanese) = here.

Vespa analisVespa analisVespa analisVespa analis

Hymenoptera: Vespidae
Vespa analis

= kogata-suzume-bachi

Location: Path by river in Munakata (map)