A new tychiine weevil, Lignyodes (Chionanthobius) ripleyi, new species, fro
m Guanacaste Conservation Area in Costa Rica is described and illustrated T
he new species closely resembles L. (C.) schwarzi (Pierce) from the eastern
United States of America. This is the first recorded species of the subgen
us Chionanthobius from Central America. No information is available on the
natural history of L. (C.) ripleyi although it is suspected to be associate
d with Oleaceae.