Robber Flies

Top Photo: Giant robber fly Some call them assassin flies. I first learned of them as robber flies. Whatever you call them, they’re predatory flies which perch out in the open, often near areas with heavy insect traffic in order to wait in ambush to snatch other insects out of the air. Visit a flowering group of Tithonia, milkweed, Joe Pye weed, or other rich nectar source with insects busily flying from flower to flower and you might see oneRead more

Bugs on Milk Weed, Worms in Webs, a Potter, a Jumping Spider, and a Robber

Large Milkweed Bugs have hatched out as there were many nymphs on the Butterfly Weed in Catch the Wind during the first week of August. This was only a few days after seeing both Large and Small Milkweed Bugs mating and inspecting this plant. Seven days later the nymphs began to take on some of the characteristics of the adults. Fall Webworms have been at work on the Museum’s trees for a month or more. These caterpillars construct their webRead more