| Summary: | The genus Troglocollops Wittmer, 1965 is reported from China for the first time. A new species is described and illustrated under the name Troglocollops (Troglocollopsoides) sinicus Tong & Yang, sp. nov. from Xinjiang, China. This new species can be easily distinguished from other species of Troglocollops by the body coloration (pronotum yellow with a black longitudinal stripe in the middle, elytra black with blue metallic lustre and yellow margination of apices), antennomere 1 somewhat smaller than 3, and endophallus with five strong spines and two groups of small spines near apex. An identification key to all known species of Troglocollops is updated.
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