Abstract
Only three species of Medetera Fischer von Waldheim were known from Inner Mongolia. Here the following ten new species of Medetera, of which three species belong to Medetera apicalis group and seven belong to Medetera diadema-veles group, are added to the fauna of Inner Mongolia: Medetera albens sp. n., Medetera bisetifera sp. n., Medetera flava sp. n., Medetera ganshuiensis sp. n., Medetera lihuae sp. n., and Medetera transformata sp. n., Medetera triseta sp. n., Medetera shiae sp. n., Medetera shuimogouensis sp. n., and Medetera xiquegouensis sp. n. A key to the species of Medetera from Palaearctic China is provided.
Highlights
Medetera Fischer von Waldheim is a large genus with nearly 360 known species around the world (Negrobov and Naglis 2015, Tang et al 2015)
Medetera apicalis species group and M. diadema-veles species group can be separated into clades by molecular evidence (Pollet et al 2011)
The specimens on which this study is based were collected from Inner Mongolia from 2010 to 2014 by sweeping nets in grassland
Summary
Medetera Fischer von Waldheim is a large genus with nearly 360 known species around the world (Negrobov and Naglis 2015, Tang et al 2015). Antenna (Fig. 11) black, first flagellomere nearly triangular, almost as long as wide, shortly brown pubescent; arista apical, becoming black to pale yellow from base to tip, bare, with basal segment extremely short, less than 0.1 times length of apical segment.
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