Subject: Bug identification
Location: Fall Branch, TN 37656
August 22, 2013 7:10 am
These bugs have invaded my apple trees! They’re not eating the fruit, just killing/eating the leaves. Most are 1-1 1/4” long. Wings look irredescent. They are avoiding my pear, cherry, peach and apricot trees and just on my apple. I thought they might be a type of bee but they have not stung me. There are about 25-30 per tree.
Signature: Whats That Bug
This appears to be a Digger Wasp or Blue-Winged Wasp, Scolia dubia, and we cannot understand why they are congregating on your apple trees. According to BugGuide: “Males have longer antennae than females, and a pronglike pseudostinger on the abdomen” so we believe your individuals are males. We wonder if males roost together at night in “bachelor parties” similar to those of certain solitary bees. Eric Eaton has written about this phenomenon on Bug Eric.