Tom Houser sent a photo of a tiger bee fly at Carolanne Farms in Virginia Beach. “People who dislike carpenter bees should welcome them,” Houser wrote. “They lay their eggs at the openings of ...

The large, purplish-black, tiger bee fly (Xenox tigrinus) is half an inch or more in size, with distinct mottled patterns on its wings. Fearsome in appearance — it resembles a huge horsefly — the ...