Heterobostrychus ambigenus Lesne, 1920

Heterobostrychus ambigenus Lesne, 1920: 295 .

Distribution in China. China SW (Yunnan).

Other distribution. The species is endemic to China.

Host plants. Unknown.

Remarks. The species was described from a single specimen collected at ‘Pe-yen-tsin’, and no further specimens have been recorded. YFZ and LZM visited the type locality in the summer of 2021, but the species was not found.