Two new species of the subgenus Cryptanaema de Vos of the genus Cyana Walker from eastern Indonesia (Lepidoptera: Erebidae: Arctiinae: Lithosiini Nudariina) Author Volynkin, Anton V. Altai State University, Lenina Avenue, 61, RF- 656049, Barnaul, Russia. Author Černý, Karel Tiergartenstrasse 27, A- 6020 Innsbruck, Austria. Author Vos, Rob De Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, The Netherlands. text Zootaxa 2022 2022-08-24 5178 1 81 91 journal article 129870 10.11646/zootaxa.5178.1.5 82f750f6-984a-4dc6-827b-0fc05c2e9c1c 1175-5326 7021904 3FD204FB-4944-40CA-87E9-103A60775C63 Subgenus Cryptanaema de Vos, 2017 Cyana ( Cryptanaema ) de Vos, 2017 , Biodiversity, Biogeography and Nature Conservation in Wallacea and New Guinea , 3: 597. Type species: Chionaema nigroplagata Bethune-Baker, 1910 , by original designation. Diagnosis . Species of the subgenus have a cryptic colouration with the dominance of brown, grey and creamy white whereas most species of other subgenera of Cyana display aposematic red or yellow patterns on a white ground colour or (in the subgenus Clerckia Aurivillius, 1882 ) an aposematic combination of black and various shades of orange, red and yellow. In the male genitalia, vesica bearing clusters of numerous short but robust triangular cornuti which is characteristic of the subgenus, a feature similar to such Nudariina genera as Barsine Walker, 1854 , Ammatho Walker, 1855 , etc. (illustrated by Volynkin et al. (2019)) . In the female genitalia, the posterior section of the corpus bursae is strongly dilated and rugose sclerotised.