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In this paper we revised the species of Serica McLeay, 1819 (sensu lato) occurring in China an adjacent areas, and provide an update on the genus Nipponoserica Nomura, 1972. The revision resulted in one new combination: Serica adspersa (Frey, 1972), new combination. Thirty-nine new species are described: Nipponoserica daqiao Ahrens, Fabrizi & Liu, new species, Serica allolongipes Ahrens, Fabrizi & Liu, new species, S. allotengchongana Ahrens, Fabrizi & Liu, new species, S. baishuitaiensis Ahrens, Fabrizi & Liu, new species, S. baoshan Ahrens, Fabrizi & Liu, new species, S. daqiaoana Ahrens, Fabrizi & Liu, new species, S. dissimillima Ahrens, Fabrizi & Liu, new species, S. emaw Ahrens, Fabrizi & Liu, new species, S. gaoligong Ahrens, Fabrizi & Liu, new species, S. guangnanensis Ahrens, Fabrizi & Liu, new species, S. hailuogou Ahrens, Fabrizi & Liu, new species, S. huangbaiyuanensis Ahrens, Fabrizi & Liu, new species, S. huangjing Ahrens, Fabrizi & Liu, new species, S. jani Ahrens, Fabrizi & Liu, new species, S. jaroslavi Ahrens, Fabrizi & Liu, new species, S. jiankouensis Ahrens, Fabrizi & Liu, new species, S. jirii Ahrens, Fabrizi & Liu, new species, S. kuankuoshuiensis Ahrens, Fabrizi & Liu, new species, S. limbourgi Ahrens, Fabrizi & Liu, new species, S. longipes longipes Ahrens, Fabrizi & Liu, new species, S. longwang Ahrens, Fabrizi & Liu, new species, S. mengsongana Ahrens, Fabrizi & Liu, new species, S. nanhua Ahrens, Fabrizi & Liu, new species, S. pangwa Ahrens, Fabrizi & Liu, new species, S. paralongipes Ahrens, Fabrizi & Liu, new species, S. paralupina Ahrens, Fabrizi & Liu, new species, S. pseudogracilipes Ahrens, Fabrizi & Liu, new species, S. shengtangshan Ahrens, Fabrizi & Liu, new species, S. shiduensis Ahrens, Fabrizi & Liu, new species, S. smetanai Ahrens, Fabrizi & Liu, new species, S. taishun Ahrens, Fabrizi & Liu, new species, S. tengchongana Ahrens, Fabrizi & Liu, new species, S. tianmushan Ahrens, Fabrizi & Liu, new species, S. tianpingshanensis Ahrens, Fabrizi & Liu, new species, S. yini Ahrens, Fabrizi & Liu, new species, S. yuheba Ahrens, Fabrizi & Liu, new species, S. zhenba Ahrens, Fabrizi & Liu, new species, S. ziqingi Ahrens, Fabrizi & Liu, new species. A key to species groups and species within groups is given, habitus and male genitalia of the revised species are illustrated. The distribution of the species revised herein is shown on maps. New distributional data are given for sixteen species.

Here we present an overview of the species of the genus Amiserica Nomura, 1974. The taxonomy of the species of eastern Asia (China and adjacent regions) is revised herein, which so far have not been treated yet. Twenty-eight species are discovered new to science: Amiserica basisymmetrica Ahrens, Fabrizi Liu, new species, A. belousovi Ahrens, Fabrizi Liu, new species, A. carolusholzschuhi Ahrens, Fabrizi Liu, new species, A. diaocangshana Ahrens, Fabrizi Liu, new species, A. eucurviforceps Ahrens, Fabrizi Liu, new species, A. fengyangensis Ahrens, Fabrizi Liu, new species, A. funiushanica Ahrens, Fabrizi Liu, new species, A. gibbosiforceps Ahrens, Fabrizi Liu, new species, A. guanmenshanica Ahrens, Fabrizi Liu, new species, A. guizhouensis Ahrens, Fabrizi Liu, new species, A. gulinqin Ahrens, Fabrizi Liu, new species, A. incisa Ahrens, Fabrizi Liu, new species, A. jiuhuensis Ahrens, Fabrizi Liu, new species, A. jizuensis Ahrens, Fabrizi Liu, new species, A. linzhouensis Ahrens, Fabrizi Liu, new species, A. longxinensis Ahrens, Fabrizi Liu, new species, A. lucidiflava Ahrens, Fabrizi Liu, new species, A. nahang Ahrens, Fabrizi Liu, new species, A. panghongae Ahrens, Fabrizi Liu, new species, A. pappi Ahrens, Fabrizi Liu, new species, A. piaoac Ahrens, Fabrizi Liu, new species, A. pseudoantennalis Ahrens, Fabrizi Liu, new species, A. pseudoincisa Ahrens, Fabrizi Liu, new species, A. sacculiforceps Ahrens, Fabrizi Liu, new species, A. strnadi Ahrens, Fabrizi Liu, new species, A. ventriscalptus Ahrens, Fabrizi Liu, new species, A. venxianensis Ahrens, Fabrizi Liu, new species, A. zhongtiaoshanensis Ahrens, Fabrizi Liu, new species. Furthermore, our investigation resulted in two new combinations: Maladera (Eumaladera) loi (Kobayashi, 1991), new combination and Amiserica antennalis (Nomura, 1974), new combination; the first species is thus excluded from Amiserica. A key to species groups and species within groups is given, habitus and male genitalia are illustrated. The distribution of the species revised herein is shown on maps.

In the present study the taxonomy of the species of the genus Trioserica Moser, 1922 from China is revised. We recorded so far six valid species, of which five resulted to be new to science: Trioserica cangyuanensis Ahrens, Liu Fabrizi, new species, T. daweishana Ahrens, Liu Fabrizi, new species, T. dinghushanica Ahrens, Liu Fabrizi, new species, T. lilongensis Ahrens, Liu Fabrizi, new species, and T. shiyiduiensis Ahrens, Liu Fabrizi, new species. The habitus and male genitalia of the species are illustrated and maps of their known distribution are shown.

In the present monograph, the taxonomy of the species of the genus Maladera Mulsant Rey, 1871 from China is revised. We recorded 224 valid species for China, including 152 species new to science: Maladera allonitens Ahrens, Fabrizi Liu, sp. n., M. anhuiensis Ahrens, Fabrizi Liu, sp. n., M. apicalis Ahrens, Fabrizi Liu, sp. n., M. aptera Ahrens, Fabrizi Liu, sp. n., M. baii Ahrens, Fabrizi Liu, sp. n., M. baishaoensis Ahrens, Fabrizi Liu, sp. n., M. bansongchana Ahrens, Fabrizi Liu, sp. n., M. baoxingensis Ahrens, Fabrizi Liu, sp. n., M. bawanglingana Ahrens, Fabrizi Liu, sp. n., M. bawanglingensis Ahrens, Fabrizi Liu, sp. n., M. beibengensis Ahrens, Fabrizi Liu, sp. n., M. beidouensis Ahrens, Fabrizi Liu, sp. n., M. bikouensis Ahrens, Fabrizi Liu, sp. n., M. breviclava Ahrens, Fabrizi Liu, sp. n., M. bubengensis Ahrens, Fabrizi Liu, sp. n., M. businskyorum Ahrens, Fabrizi Liu, sp. n., M. chenzhouana Ahrens, Fabrizi Liu, sp. n., M. constellata Ahrens, Fabrizi Liu, sp. n., M. crenatotibialis Ahrens, Fabrizi Liu, sp. n., M. crenolatipes Ahrens, Fabrizi Liu, sp. n., M. daanensis Ahrens, Fabrizi Liu, sp. n., M. dadongshanica Ahrens, Fabrizi Liu, sp. n., M. dahongshanica Ahrens, Fabrizi Liu, sp. n., M. dajuensis Ahrens, Fabrizi Liu, sp. n., M. danfengensis Ahrens, Fabrizi Liu, sp. n., M. dayaoshanica Ahrens, Fabrizi Liu, sp. n., M. diaolinensis Ahrens, Fabrizi Liu, sp. n., M. emeifengensis Ahrens, Fabrizi Liu, sp. n., M. enigma Ahrens, Fabrizi Liu, sp. n., M. erlangshanica Ahrens, Fabrizi Liu, sp. n., M. eshanensis Ahrens, Fabrizi Liu, sp. n., M. excisilabrata Ahrens, Fabrizi Liu, sp. n., M. fangana Ahrens, Fabrizi Liu, sp. n., M. fangchengensis Ahrens, Fabrizi Liu, sp. n., M. fencli Ahrens, Fabrizi Liu, sp. n., M. fengyangshanica Ahrens, Fabrizi Liu, sp. n., M. fereobscurata Ahrens, Fabrizi Liu, sp. n., M. filigraniforceps Ahrens, Fabrizi Liu, sp. n., M. flavipennis Ahrens, Fabrizi Liu, sp. n., M. fuanensis Ahrens, Fabrizi Liu, sp. n., M. guangdongana Ahrens, Fabrizi Liu, sp. n., M. guangzhaishanica Ahrens, Fabrizi Liu, sp. n., M. guanxianensis Ahrens, Fabrizi Liu, sp. n., M. guanxiensis Ahrens, Fabrizi Liu, sp. n., M. guomenshanensis Ahrens, Fabrizi Liu, sp. n., M. guomenshanica Ahrens, Fabrizi Liu, sp. n., M. gusakovi Ahrens, Fabrizi Liu, sp. n., M. haba Ahrens, Fabrizi Liu, sp. n., M. habashanensis Ahrens, Fabrizi Liu, sp. n., M. hajeki Ahrens, Fabrizi Liu, sp. n., M. hansmalickyi Ahrens, Fabrizi Liu, sp. n., M. hongyuanensis Ahrens, Fabrizi Liu, sp. n., M. houzhenziensis Ahrens, Fabrizi Liu, sp. n., M. hsui Ahrens, Fabrizi Liu, sp. n., M. huanianensis Ahrens, Fabrizi Liu, sp. n., M. hubeiensis Ahrens, Fabrizi Liu, sp. n., M. hui Ahrens, Fabrizi Liu, sp. n., M. hunanensis Ahrens, Fabrizi Liu, sp. n., M. hunuguensis Ahrens, Fabrizi Liu, sp. n., M. hutiaoensis Ahrens, Fabrizi Liu, sp. n., M. jaroslavi Ahrens, Fabrizi Liu, sp. n., M. jatuai Ahrens, Fabrizi Liu, sp. n., M. jiangi Ahrens, Fabrizi Liu, sp. n., M. jingdongensis Ahrens, Fabrizi Liu, sp. n., M. jinggangshanica Ahrens, Fabrizi Liu, sp. n., M. jinghongensis Ahrens, Fabrizi Liu, sp. n., M. jiucailingensis Ahrens, Fabrizi Liu, sp. n., M. jizuana Ahrens, Fabrizi Liu, sp. n., M. juntongi Ahrens, Fabrizi Liu, sp. n., M. juxianensis Ahrens, Fabrizi Liu, sp. n., M. kalawensis Ahrens, Fabrizi Liu, sp. n., M. kryschanowskii Ahrens, Fabrizi Liu, sp. n., M. kubeceki Ahrens, Fabrizi Liu, sp. n., M. laocaiensis Ahrens, Fabrizi Liu, sp. n., M. lianxianensis Ahrens, Fabrizi Liu, sp. n., M. liaochengensis Ahrens, Fabrizi Liu, sp. n., M. liwenzhui Ahrens, Fabrizi Liu, sp. n., M. longruiensis Ahrens, Fabrizi Liu, sp. n., M. luoxiangensis Ahrens, Fabrizi Liu, sp. n., M. lushanensis Ahrens, Fabrizi Liu, sp. n., M. lushuiensis Ahrens, Fabrizi Liu, sp. n., M. maguanensis Ahrens, Fabrizi Liu, sp. n., M. maoershana Ahrens, Fabrizi Liu, sp. n., M. mupingensis Ahrens, Fabrizi Liu, sp. n., M. nabanensis Ahrens, Fabrizi Liu, sp. n., M. nanlingensis Ahrens, Fabrizi Liu, sp. n., M. nanpingensis Ahrens, Fabrizi Liu, sp. n., M. ninglangensis Ahrens, Fabrizi Liu, sp. n., M. panyuensis Ahrens, Fabrizi Liu, sp. n., M. parabrunnescens Ahrens, Fabrizi Liu, sp. n., M. paradetersa Ahrens, Fabrizi Liu, sp. n., M. paranitens Ahrens, Fabrizi Liu, sp. n., M. paraserripes Ahrens, Fabrizi Liu, sp. n., M. parobscurata Ahrens, Fabrizi Liu, sp. n., M. peregoi Ahrens, Fabrizi Liu, sp. n., M. pieli Ahrens, Fabrizi Liu, sp. n., M. pingchuanensis Ahrens, Fabrizi Liu, sp. n., M. pseudoconsularis Ahrens, Fabrizi Liu, sp. n., M. pseudoegregia Ahrens, Fabrizi Liu, sp. n., M. pseudoexima Ahrens, Fabrizi Liu, sp. n., M. pseudofuscipes Ahrens, Fabrizi Liu, sp. n., M. pseudonitens Ahrens, Fabrizi Liu, sp. n., M. pseudosenta Ahrens, Fabrizi Liu, sp. n., M. pui Ahrens, Fabrizi Liu, sp. n., M. putaodiensis Ahrens, Fabrizi Liu, sp. n., M. qianqingtangensis Ahrens, Fabrizi Liu, sp. n., M. queinneci Ahrens, Fabrizi Liu, sp. n., M. riberai Ahrens, Fabrizi Liu, sp. n., M. robustula Ahrens, Fabrizi Liu, sp. n., M. rubriventris Ahrens, Fabrizi Liu, sp. n., M. rufonitida Ahrens, Fabrizi Liu, sp. n., M. rufopaca Ahrens, Fabrizi Liu, sp. n., M. sanqingshanica Ahrens, Fabrizi Liu, sp. n., M. serratiforceps Ahrens, Fabrizi Liu, sp. n., M. shaluishanica Ahrens, Fabrizi Liu, sp. n., M. shangraoensis Ahrens, Fabrizi Liu, sp. n., M. shaowuensis Ahrens, Fabrizi Liu, sp. n., M. shenglongi Ahrens, Fabrizi Liu, sp. n., M. shengqiaoae Ahrens, Fabrizi Liu, sp. n., M. shiniushanensis Ahrens, Fabrizi Liu, sp. n., M. shiruguanensis Ahrens, Fabrizi Liu, sp. n., M. shiwandashanensis Ahrens, Fabrizi Liu, sp. n., M. shoumanensis Ahrens, Fabrizi Liu, sp. n., M. sinobiloba Ahrens, Fabrizi Liu, sp. n., M. snizeki Ahrens, Fabrizi Liu, sp. n., M. songi Ahrens, Fabrizi Liu, sp. n., M. taiyangheensis Ahrens, Fabrizi Liu, sp. n., M. tengchongensis Ahrens, Fabrizi Liu, sp. n., M. tiachiensis Ahrens, Fabrizi Liu, sp. n., M. tiammushanica Ahrens, Fabrizi Liu, sp. n., M. tiani Ahrens, Fabrizi Liu, sp. n., M. tianzushanica Ahrens, Fabrizi Liu, sp. n., M. tongzhongensis Ahrens, Fabrizi Liu, sp. n., M. trifidiforceps Ahrens, Fabrizi Liu, sp. n., M. uncipenis Ahrens, Fabrizi Liu, sp. n., M. wandingana Ahrens, Fabrizi Liu, sp. n., M. weni Ahrens, Fabrizi Liu, sp. n., M. wipfleri Ahrens, Fabrizi Liu, sp. n., M. wulaoshanica Ahrens, Fabrizi Liu, sp. n., M. wuliangshanensis Ahrens, Fabrizi Liu, sp. n., M. wupingensis Ahrens, Fabrizi Liu, sp. n., M. xingkei Ahrens, Fabrizi Liu, sp. n., M. xingkeyangi Ahrens, Fabrizi Liu, sp. n., M. xinqiaoensis Ahrens, Fabrizi Liu, sp. n., M. xuezhongi Ahrens, Fabrizi Liu, sp. n., M. yakouensis Ahrens, Fabrizi Liu, sp. n., M. yangi Ahrens, Fabrizi Liu, sp. n., M. yibini Ahrens, Fabrizi Liu, sp. n., M. yipinglangensis Ahrens, Fabrizi Liu, sp. n., M. yongrenensis Ahrens, Fabrizi Liu, sp. n., M. yunnanica Ahrens, Fabrizi Liu, sp. n., M. zhejiangensis Ahrens, Fabrizi Liu, sp. n. The work also resulted in nine new combinations and 17 new synonyms: Maladera (subgenus Omaladera Reitter, 1896) (= Cephaloserica Brenske, 1900, syn. n.; = Coronoserica Brenske, 1902, syn. n.); Maladera formosae (Brenske, 1898) (= Autoserica castanea Arrow, 1913, syn. n.; = Serica korgei Petrovitz, 1967, syn. n.); Maladera motschulskyi (Brenske, 1897) (= Autoserica furcillata Brenske, 1897, syn. n.; Serica schoenfeldti Murayama, 1937, syn. n.); Maladera pallida (Burmeister, 1855) comb. n. (= Maladera ludipennis Miyake, Yamaguchi Aoki 2002, syn. n.); Maladera renardi (Ballion, 1870) (= Serica delicta Brenske, 1897, syn. n.); Maladera secreta (Brenske, 1897) (= Autoserica cruralis Frey, 1972, syn. n.); Maladera verticalis (Fairmaire, 1888) (= Autoserica hiekei Frey, 1972, syn. n.); Maladera futschauana (Brenske, 1897) (= Autoserica atavana Brenske, 1902, syn. n.; = Autoserica montivaga Moser, 1915, syn. n.); Maladera aureola (Murayama, 1938) (= Maladera liotibia Nomura, 1974, syn. n.); Maladera brunnescens (Frey, 1972) comb. n., Maladera exima (Arrow, 1946) comb. n., Maladera gansuensis (Miyake Yamaya, 2001) comb. n., Maladera nigrobrunnea (Moser, 1926) comb. n., Maladera orientalis (Motschulsky, 1858) (= Serica salebrosa Brenske, 1897, syn. n.; =Autoserica davidis Brenske, 1898, syn. n.; = Serica mirabilis Brenske, 1894, syn. n.), Maladera punctulata (Frey, 1972) comb. n., Maladera rotunda (Arrow, 1946) comb. n., Maladera serripes (Moser, 1915) comb. n., Maladera senta (Brenske, 1897) (= Autoserica subspinosa Brenske, 1898, syn n.); Maladera spissigrada (Brenske, 1897) (= Serica nakayamai Murayama, 1938, syn. n.); Maladera tibialis (Brenske, 1898) comb. n. The lectotypes of the following species were designated: Autoserica furcillata Brenske, 1897, A. cariniceps Moser, 1915, A. diversipes Moser, 1915, A. flammea Brenske, 1898, A. fuscipes Moser, 1915, A. gibbiventris Brenske, 1897, A. hongkongica Brenske, 1898, A. obscurata Moser, 1915, A. piceola Moser, 1915, Serica delicta Brenske, 1897, S. exigua Brenske, 1894, S. nigrobrunnea Moser, 1926, S. orientalis Motschulsky, 1858, S. pallida Burmeister, 1855, S. salebrosa Brenske, 1897, and S. sibirica Brenske, 1897. Keys to the subgenera and species groups of Maladera, as well as a key to the species within each species-group are provided. Furthermore, we provide maps of the species distribution, as well as illustrations of the habitus and male genitalia.