Your first instinct when you spot a buzzing insect nearby is often to swat at it, but not every bug is a foe. Some are friends and worth a second look. Consider the hover fly, a tiny but mighty bee ...
Above: A harmless hover fly feeding on sweaty skin. These flies appear in mid- to late-summer. The 1860s song of this title has retained some popularity through the years. Who has not been annoyed by ...