A group of researchers including an associate professor at Yamaguchi University has found that most female Japanese rhinoceros beetles mate only once in their lifetime, which is rare for an insect. https://www.japantimes.co.jp/news/2026/03/17/japan/science-health/female-beetles-mate-once/?utm_medium=Social&utm_source=mastodon #japan #sciencehealth #beetles #yamaguchiuniversity