Cactus
Family of mostly succulent plants, adapted to dry environments
Would an oil painter avoid reds from scale insects that live on a cactus?
Carmine is the product of an insect that lives on some cacti Carmine is not stable in oil paints and its usage has been discontinued Carmine is red
What red pigments are made from insects? What scale insects live on cacti? What pigments overlap with #1 and #2? Is #3 unstable in oil paint?