Explanation of Names
From Greek kryptos, hidden.
crypsis noun, plural crypses, adjective cryptic - in entomology in particular, coloration and pattern that causes an insect to resemble an inedible object, such as a rock, plant, or bird dropping.
Examples of resemblance to vegetation, common among many groups, but especially orthoptera
Examples of resemblance to bird droppings, particularly common among moths
Examples of resemblance to rock or other substrate, rather uncommon, perhaps, but does occur in several groups, and of course many groups have a resemblance to bark: