Sinomphisa plagialis, the Manchurian catalpa shoot borer, is a moth in the family Crambidae. It is found in Japan, ChinaBOLD Systems and Korea.Korea Red List
The wingspan is 23–26 mm.Japanese Moths
The larvae feed on Catalpa bungei and Catalpa ovata. They bore into young shoots of their host plant. The species overwinters in the larval stage.Bionomics of the Manchurian catalpa shoot borer, Sinomphisa plagialis (Lepidoptera: Pyralidae) in Shandong, China
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