Polyptychus chinensis, the Chinese crenulate hawkmoth, is a moth of the family Sphingidae. It is known from China, Taiwan and the Ryukyu Archipelago.
Description The wingspan is 92–112 mm.
Subspecies Polyptychus chinensis chinensis (Taiwan and the southern Ryukyu Archipelago) Polyptychus chinensis draconis Rothschild & Jordan, 1916 (Central to southwestern China) Polyptychus chinensis draconoides Mell, 1935 (Central to eastern China) Polyptychus chinensis shaanxiensis Brechlin, 2008 (Shaanxi)
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