Eupithecia costiconvexa is a moth in the family Geometridae. It is found in Japan (Honshu, Shikoku, Kyushu, Tsushima, Yakushima) and Thailand., 2009: A survey of the genus Eupithecia (Lepidoptera, Geometridae) in mainland South East Asia: Part II. Transactions of the Lepidopterological Society of Japan 60(3): 167-188. Abstract:
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