Female genitalia: 21 – paratype A. floralis Butler, 1881, ZMHU-2007-11, paralectotype, Darjiling, 79. 57 (BMNH); 22 – A. floralis Butler, 1881, MWM-17.451, Nepal Annapurna Himal, 2.450 m, 83°43'E, 28°22'N, 23-24.VI 1996, leg. Gy. M. Lszl & G. Ronkay (MWM); 23 – holotype Preptothauma oxydiata Draudt, 1931, ZMHU-2010-01, West-Columbia, Altaquer, 500 m., März-Juni 1927 (ZMHU).

 
 
  Part of: Zolotuhin VV, Pugaev SN, Du TT (2020) A review of Apha floralis species group (Lepidoptera: Eupterotidae). Acta Biologica Sibirica 6: 611-635. https://doi.org/10.3897/abs.6.e59529