Abstract
Descriptions of the following 23 species of Macrotomoderus Pic, 1901 new to science, from continental China, are provided as an addition to the recently published review of the genus from China and Taiwan (Telnov 2018): M. angelinii, M. belousovi, M. bicrispus, M. boops, M. bordonii, M. dali, M. daxiangling, M. femoridens, M. hajeki, M. hartmanni, M. hengduan, M. imitator, M. kabaki, M. korolevi, M. lapidarius, M. muli, M. palaung, M. similis, M. tenuis, M. transitans, M. truncatulus, M. usitatus, and M. wudu spp. nov. Additional records are provided for some poorly known species. The identification key to the species of Macrotomoderus from China, the Japanese Archipelago, and Taiwan is herewith significantly supplemented and updated. Biogeographical peculiarities and altitudinal gradient of Macrotomoderus distribution in continental China are briefly discussed.
Highlights
This is the third revisional work devoted to the Palaearctic species of Macrotomoderus Pic, 1901, the second most species-rich among the seven genera of Tomoderinae Bonadona, 1961 (Chandler 2010; Telnov 2018)
Macrotomoderus was originally erected to include one species from the Greater Sunda Islands (Sumatra) (Pic 1901), and until recently most species in this genus were described, in part under the name of Derarimus Bonadona, 1978, from the Indo-Australian Archipelago and mainland SE Asia (Uhmann 1993, 1994a, 1994b, 1994c, 1996a, 1996b, European Journal of Taxonomy 797: 1–100 (2022)
Up to now Macrotomoderus includes 116 species (89 Oriental and 27 Palaearctic (Telnov 2020; M. andibani Telnov, 2007 is omitted from the last version of the Palaearctic catalogue)), not counting the 23 new Palaearctic species described in the present paper
Summary
This is the third revisional work devoted to the Palaearctic species of Macrotomoderus Pic, 1901 (see Telnov 2007b, 2018), the second most species-rich among the seven genera of Tomoderinae Bonadona, 1961 (Chandler 2010; Telnov 2018). The cryptic radiation of these forest-litter-dwelling, generally apterous anthicids in China was uncovered recently (Telnov 2018), when a total of 24 species were confirmed and keyed for continental China, and one more species for Taiwan. As of Telnov (2018, 2020 (see note above)), 16 of a total of 25 species of Macrotomoderus in continental China and Taiwan are considered to be restricted to montane ridges of Yunnan. The latest identification key to Macrotomoderus from China and Taiwan (Telnov 2018) is supplemented and critically updated ( including the species from the Japanese Archipelago), and is presented here
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