
University of California
Urban and Community Integrated Pest Management
Posts Tagged: woolly
What's this sticky stuff on my car?

If you are like me, you try to park your car under a tree in parking lots and on the street for some shade, especially with the hot weather we've had lately. Maybe you choose to park under a big hackberry tree, but when you return to your car, you notice...
Aphids suck on plant sap and excrete honeydew.
Hackberry woolly aphids and honeydew on leaves.