摘要

At present, 41 species of Pseudobironium Pic are recognized as valid, the following are described as new: P. antennatum sp. nov., P. augur sp. nov., P. bilobum sp. nov., P brancuccii sp. nov., P. confusum sp. nov., P. conspectum sp. nov., P. convexum sp. nov., P flagellatum sp. nov., P. fujianum sp. nov., P. horaki sp. nov., P. incisum sp. nov., javanum sp. nov., P. merkli sp. nov., P. montanum sp. nov., P. parabicolor sp. nov., P. pseudobicolor sp. nov., P. pubiventer sp. nov., P schuhi sp. nov., P. spinipes sp. nov., and P stewarti sp. nov. Pseudobironium tonkineum Pic is synonymized with P. languei (Achard), P. castaneurn Pic is synonymized with P. carinense (Achard), and P. dohertyi (Achard) is synonymized with P. vitalisi (Achard). Lectotypes are designated for P. achardi (Pic), P. carinense (Achard), P. dohertyi (Achard), P. feai Pic, P. subovatum Pic, P. tonkineum Pic, and P. vitalisi (Achard). Redescriptions or additional diagnostic characters and illustrations are given for P achardi (Pic), P. bicolor UN, P. carinense (Achard), P. feai Pic, P. grossum (Achard), P. languei (Achard), P. lewisi Achard, P. rufitarse Lobl, P sinicum Pic, P. sparsepunctatum (Pic), P. subovatum Pic, P. ussuricum Lobl, and P. vitalisi (Achard). Four species groups are recognized, based on male genital characters. A key to species is provided. New distributional records are given for most of the previously described species.