Phyllonorycter chionopa is a moth of the family Gracillariidae. It is known from Namibia.[1] The habitat consists of sandy floodplains and rocky slopes along dry river beds with dominant trees as Acacia montis-usti and Commiphora species.
The length of the forewings is 3 mm. The forewings are elongate and the ground colour is golden yellow with white markings consisting of a broad, irregularly shaped basal streak, two broad, costal, patch-like strigulae, and two dorsal patch-like strigulae. The hindwings are uniformly white. Adults are probably on wing from October to late November or early December.[2]