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Between 2009 and 2016, a total of 174 Odonata species (Tab. 1) have been recorded in the Dehong Dai and Jingpo Autonomous Prefecture, China. 21 of these species are new records for China, and additional 26 taxa have to be described as new to science. Brief comments on selected species refer to morphological characters, distribution and seasonality.
Nine individuals of Apatidelia from Zhejiang Province, China were examined and their barcode sequences were generated and analyzed. A new species, A. morsei Xu & Sun sp. nov., is described and illustrated. The larva, male and female of A. acuminata Leng & Yang, 1998 and the male and female of A. morsei Xu & Sun sp. nov. are associated by mtCOI gene sequences. The male of A. acuminata Leng & Yang, 1998 is re-described and re-illustrated, and the female and the larva of the same species are also described and illustrated. Females and larvae of the genus are here reported for the first time.
Three species of the genus Cryptochetum Rondani, 1875 from China are described and figured as new to science: C. euthyiproboscise sp. nov., C. glochidiatusum sp. nov., and C. longilingum sp. nov. An identification key to the known species of Cryptochetum from China is presented. The type specimens of the new species are deposited in the Henan Agricultural University.
Arising from a number of 2019 IUCN Red List assessments for a subset of Chinese Odonata, a series of corrections and taxonomic revisions were made to the World Odonata List. The rationale for these amendments is provided here. Paragomphus wuzhishanensis Liu, 1988 is shown to be a junior synonym of Paragomphus pardalinus Needham (1942). Epophthalmia kuani Jiang 1998 is synonymised as a junior synonym of Epophthalmia. elegans (Brauer, 1865) and Epophthalmia bannaensis Zha & Jiang, 2010 is treated as a junior synonym of Epophthalmia vittata Burmeister, 1839. Idionyx pseudovictor Xu, 2013 is shown to be junior synonym of Idionyx claudia Ris, 1912 and Sympetrum anomalum Needham, 1930 is treated as a junior synonym of Sympetrum maculatum Oguma, 1922.
Six species of Anastatus Motschulsky, 1859 (Hymenoptera: Eupelmidae) were described from China in Chinese by J.K. Sheng and coauthors in 1997 and 1998: A. dexingensis, A. flavipes, A. fulloi, A. huangi, A. meilingensis and A. shichengensis. This represents almost half the species of Anastatus recorded from China, but no keys were given to differentiate the species and the original descriptions included only simple line drawings to illustrate the species. Because recognition of these species is critical prior to clarifying the Anastatus fauna of China and of the eastern Palaearctic and Oriental regions, we have redescribed the six species in detail in English based on original type material, illustrating the species through macrophotography of type material and providing a key to differentiate females of the species.
Four new species of the genus Willowsia Shoebotham, 1917 are described from China: W. fascia Zhang & Pan sp. nov., W. pseudoplatani Zhang & Pan sp. nov., W. pseudobuskii sp. nov., and W. similis sp. nov. Willowsia qui Zhang, Chen & Deharveng, 2011 is re-described based on types and fresh material. All five species possess the pointed body scales with basal ribs longer than distal ones. These scales are absent on antennae, legs, ventral tube and furca. Colour pattern and dorsal chaetotaxy are the main diagnostic characters for these species. DNA barcodes of four species are also provided, with genetic distances compared. A key to the Willowsia species having scales of the long basal rib type is given.
Six new species of false click beetle (Coleoptera: Eucnemidae) are described. These new species are: Fornax dixiensis sp. nov. (Florida, USA), Dromaeolus comayaguiensis sp. nov. (Honduras), Asiocnemis bicolor sp. nov. (Ecuador), Miruantennus chinensis sp. nov. (Yunnan prov., China), Miruantennus cuneiformis sp. nov. (Malaysia) and Nematodes africanus sp. nov. (Côte d’Ivoire). Identifi cation keys are provided for species of Fornax in the Nearctic ecozone and Miruantennus in the Palearctic and Indo-Malayan ecozones. A new key to include all the genera within the tribe Nematodini Leiler is also provided.
Twenty species of the genus Chilocorus Leach, 1815 currently known from China are recorded, including two new species described here: C. nigricaeruleus Li & Wang sp. nov. and C. strenotubus Li & Wang sp. nov. Diagnoses and detailed descriptions of the new species are given. Each species is illustrated in detail, including genitalia. Distribution maps, a key to the Chinese species and a world checklist of Chilocorus are given.
Representatives of the subgenus Helochares (s. str.) Mulsant, 1844 of China are revised. One new species, H. (s. str.) songi sp. nov., is described from Guangxi, China. All species known from China are redescribed. A diagnosis and a differential diagnosis are provided for each species. Helochares
fuliginosus d’Orchymont, 1932 is recorded for the first time from China and Cambodia. Additional distribution records of H. atropiceus Régimbart, 1903 and H. pallens (MacLeay, 1825) are provided from China. The habitus and aedeagus of all species are illustrated, and a key for the identification of Chinese species of the subgenus is provided.