Chaeridiona semiviridis is a species of beetle of the family Chrysomelidae. It is found in Thailand and Vietnam.
Description Adults reach a length of about 3.6–4.1 mm. The head, pronotum and elytra are yellowish-ochre with a medial metallic green spot. The legs are yellow and the antennae are reddish-yellow.Staines, C. L., 2007, A review of the genus Chaeridiona Baly, 1869 (Coleoptera: Chrysomelidae: Cassidinae), Zootaxa 1521 (1), pp. 19-29 : 21-22
Life history Adults have been collected from an unidentified Zingiberaceae species and Costus species. Later findings identified Zingiber species as a host plant for this species.
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