Ask the Experts: What Are Bee Flies? “What is this strange insect on my plumbago? Is it a pollinator?” asks Birds & Blooms reader Caitlin Buelow of Vail, Arizona. Birds & Blooms experts Kenn and ...

Hover flies have one set of wings and no stinger. If you've been outside lately, chances are you've seen them — small flying insects that resemble sweat bees. In fact, you may have actually called ...