Tymnes chrysis is a species of leaf beetle. It is found in North America. The species has been recorded from plants of the genus Robinia (commonly known as "locusts") or similar genera in the family Fabaceae.
Further reading
Book: Catalogue of Palaearctic Coleoptera, Volume 6: Chrysomeloidea. 2013. Lobl . I.. Smetana . A.. Apollo Books. 978-90-04-26091-7.