Ascalaphid Studies VII. On the ascalaphid fauna of Taiwan (Neuroptera: Ascalaphidae)

Ascalaphid fauna of Formosa is presented and as a result of species revision, four new synonym names are established. Glyptobasis brunnea Esben-Petersen, 1913 syn n. is junior synonym of Ascalohybris subjacens (Walker, 1853), Ascalohybris kolthoffi (Navás, 1927) (original combination Hybris kolthoffi Navás, 1927) syn n. is junior synonym of Acheron trux (Walker, 1853), Suhpalacsa longialata Yang, 1992 syn n. is junior synonym of Maezous umbrosa (Esben-Petersen, 1913) comb, n., and Suphalomitus lutemaculatus Yang, 1992 syn n. is junior synonym of Suphalomitus formosanus Esben-Petersen, 1913. Maezous formosana (Okamoto, 1910) comb. n. is a new combination. Checklist, faunistical data of the studied material, distribution and their flight period are given