Studies have suggested that the queens of this species may mate with more males and use sperm more evenly.

It can be found most prominently on the Japanese Islands, but is also present in South Korea and the southern portion of Primorsky Krai.

[6] Small colonies may be collected and relocated into artificial hives near dwellings for the purpose of harvesting them for food.

[6] In the Chubu area (including Nagano, Gifu and Aichi), a dish in which the larvae are prepared in rice is considered a delicacy.

[6] Recently, collection of this species from inside Japan for food has decreased, and importation from Korea has increased.