episematic
adj/ˌɛpɪsɪˈmætɪk/
Etymology From epi- + sematic.
1
Biology, Natural sciences, Zoology Of a coloration or marking That serves to assist individuals of the same species to identify each other.
- Episematic characters are far less common than aposematic, and these than cryptic; although, as regards the latter comparison, the opposite impression is generally produced from the fact that concealment is so successfully attained.1911, “Colours of Animals”, in The Encyclopædia Britannica, 11th edition, volume V, page 732: