Chrysodeixis eriosoma, the green garden looper, known in New Zealand as the Silver Y, is a moth of the family Noctuidae. Mostly cosmopolitan in distribution, it is a pest in Japan, China, India, Sri Lanka, the Malay Peninsula and Australasia. It is present in Hawaii and recorded as an incursion in mainland North America and Russia. It is morphologically identical to Chrysodeixis chalcites and the two may be sibling species.

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