Male genitalia of Biston species. 5–6. B. rosenbaueri sp. n., Paratype (Croatia, Krk Island, coll. EFJ, prep. BMB no. 1032). 7–8. B. achyra Wehrli, 1936, (Greece, Samos, coll. DFL, prep. BMB no. 1036. 9–10. B. strataria (Hufnagel, 1767), (Germany, Berlin-Rosenthal, coll BMB, prep.BMB no. 546.

 
 
  Part of: Müller B (2018) Biston rosenbaueri sp. n. (Lepidoptera, Geometridae, Ennominae) from the Balkan Peninsula. Nota Lepidopterologica 41(2): 207-213. https://doi.org/10.3897/nl.41.25099