Chaeridiona pseudometallica is a species of beetle of the family Chrysomelidae. It is found in India (West Bengal).
Adults reach a length of about 3.2 mm. The pronotum and elytra are metallic green medially and purplish-red laterally and apically. The extreme apex and the legs however, are yellowish-brown.
Adults have been collected on an unidentified Zingiberaceae species.