On a recent trip to research insect populations, I visited a small sliver of the Chihuahua desert that runs through the extreme southeast corner of Arizona, I encountered hundreds of eager hover flies. I say eager, because the flies followed and buzzed around me relentlessly. While I couldn’t identify any single individual fly, I am certain that a few of them followed me for more than half a mile as I trekked through the dry, rock strewn, dusty desert. I am not a dancer, but all of the swatting, arm waving, and stumbling probably made me look like I move like Mic Jagger. Relief came when wind from an approaching thunderstorm forced the flies to land or be blown away. Continue reading Are Insect Populations Declining?