What is "tydeus"

In Greek mythology, Tydeus (; Tūdeus) was an Aeolian hero of the generation before the Trojan War. He was one of the Seven Against Thebes, and the father of Diomedes, who is frequently known by the patronymic Tydides.

Tydeus is a genus of mites belonging to the family Tydeidae. These are small, usually white, mites with soft bodies covered in striations and each leg terminating in two claws.