Abstract
Two new species of the genus Melixanthus Suffrian, 1854 are described from China: M.menglaensis Duan, Wang & Zhou, sp. nov. from Yunnan (also in Vietnam, Tonkin) and M.similibimaculicollis Duan, Wang & Zhou, sp. nov. from Yunnan. Another species, M.rufiventris Pic, 1926, is reported for the first time in China. High-quality color images and line drawings of adult habitus, aedeagus, and other important structures are provided for all three species. The types of the new species are deposited in the collection of Institute of Zoology, Chinese Academy of Sciences (IZ-CAS).
Highlights
The leaf beetle genus Melixanthus Suffrian, 1854 (Chrysomelidae, Cryptocephalini) is mainly distributed in the Oriental region and includes approximately 60 species until now; of these, 11 species are known to occur in China
The Chinese fauna of the genus was studied by including in a comprehensive study on the family Chrysomelidae (e.g., Chûjô 1954; Gressitt and Kimoto 1961; Tan et al 1980; Schöller et al 2010)
Kimoto and Gressitt (1981) studied the chrysomelid fauna of Thailand, Cambodia, Laos, and Vietnam, and their publication is important in identifying the Chinese species
Summary
Introduction The leaf beetle genus Melixanthus Suffrian, 1854 (Chrysomelidae, Cryptocephalini) is mainly distributed in the Oriental region and includes approximately 60 species until now; of these, 11 species are known to occur in China Our present study reports new findings, including the description of two new species of Melixanthus from China. Holotype: male, China: Yunnan Province: Mengla, Menglun, II–IV.1979, coll.
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