- Beauty is in the eye of the beholder: mate choice in glow-worms depends on perceived, not emitted signals(2022-08-31) Hopkins, Juhani; Kaitala, Veijo; Kaitala, Arja; University of Oulu - Hopkins, Juhani; University of Helsinki - Kaitala, Veijo; University of Oulu - Kaitala, Arja