Maladera harmonica is a species of beetle of the family Scarabaeidae. It is found in China (Fujian).Catalogue of Life

Description Adults reach a length of about 7.9 mm. They have an oval, reddish brown body, with yellow antennae. The dorsal surface is dull, with an iridescent tinge on the pronotum.Fabrizi, Silvia, Liu, Wan-Gang, Bai, Ming, Yang, Xing-Ke & Ahrens, Dirk, 2021, A monograph of the genus Maladera Mulsant & Rey, 1871 of China (Coleoptera: Scarabaeidae: Melolonthinae: Sericini), Zootaxa 4922 (1), pp. 1-400

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