About Rhagastis binoculata Matsumura, 1909
Rhagastis binoculata is a moth species that belongs to the family Sphingidae. This species is endemic to Taiwan, and it is widespread across the island. Its wingspan measures between 54 and 63 millimeters. Adult moths of this species can be active year-round. The larvae of Rhagastis binoculata have been documented feeding on Hydrangea chinensis.