Mimicry: Please help me understand how

The main question persists. Discussing "mimicry" requires that "mimicry" exists.But neodarwinists do not have any clue - except their fantasy of course - how to tell apart aposematism, mimicry and a pure coincidence of similar color patterns. Black-yellow patterns are so common patterns in insect realm that it is hard to imagine why only some dragonflies should mimic wasps where other conspicuous dragonflies thrive as well in their "struggle for life". I would say we have a pallete of coloration in dragonflies and coincidentally some of them look waspish. The same for many other species or families. Only a prejudiced mind of a selectionist see in all those cases "mimicry". but what about this one: or this one