A hoverfly explores a daisy on Mount Dickerman, Mount Baker-Snoqualmie National Forest, Washington, USA. Hoverflies are expert hoverers, and they mimic the appearance of wasps & bees as a defense. Syrphid flies, flower flies, or hover flies are in the family Syrphidae, of which there are 1000 species in North America (in the order Diptera, class Insecta, phylum Arthropoda). Hoverfly larvae commonly eat aphids and other small, soft-bodied insects. Adult hoverflies feed on pollen, nectar, and honeydew, and are true flies with only two wings instead of four which most insects have (such as bees & wasps).
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