The term 'Nasty Stingers' can be broken down into two crossword solutions: WASPS (5 letters) and WASP (4 letters). WASPS refers to a group of insects in the order Hymenoptera, which includes bees, ants, and sawflies. These insects are characterized by their two pairs of wings and their ability to sting. WASP, on the other hand, is a specific type of insect within the order Hymenoptera, and is typically smaller than a bee. Wasps are known for their aggressive behavior and painful stings.