Yellowjackets are the notorious wasps that are numerous in parks that have open trash cans. They are attracted to sugary drinks and food, and they can sting (I speak from experience). Yellowjackets ...

Joro spiders are bright yellow and black spiders known for their huge spiderwebs. ... Their body length can measure up 0.3 inches, and they have drab brown bodies with darker stripes.

Many insects sport black-and-yellow backsides; some of them even develop the pattern to convince other species that they’re a more dangerous animal with the same markings, like a wasp.