Where will the next generation of biology nerds come from? Practically every biologist I know started out as a kid who looked at creatures they found in gardens and rock pools, in parks and dark corners.
Each person (and other animal) exudes a cocktail of carbon dioxide and other emanations, and we also emit heat. Mosquitoes may discern any of us as human beings, but some of us will have a more attractive signature than others.
Butterflies are beautiful, but so too are these millipedes. Next time you see some little thing crawling, hopping, flying, or scurrying by on what seems like a surplus of legs, say "Gadzooks, it's an invert" instead of "Ewww, it's a bug."