A new species Callantra formosana is described and illustrated. This new species is commonly found in whole Taiwan; the elevated distribution to be recorded by authors from 300 m to 2400 m.
長角果實蠅屬(Callantra),臺灣之記錄有二種,一為apicalis,另一為esakii。本種是臺灣新發現之種類,其與世界所有長角果實蠅屬不同處乃是本種翅之前緣帶(cost band)寬,低緣呈波浪狀及緊接著觸角窩之下方,有一大呈四方型之黑斑。