Cromarcha stroudagnesia is a species of snout moth. It was described by Solis in 2003 and is endemic to Costa Rica.[1]
The length of the forewings is 8- for females and 5- for males.
The larvae bore in shoots of Tabebuia ochracea and Handroanthus impetiginosus. There is generally only one larva per shoot. Pupation takes place at the base of the tunnel.