13 reactions | Island Chlorosis on Hackberry is disease that’s not very well known. What is known is that is causes yellow (or chlorotic) blotches on leaves. These blotches can be separated from each other making them look similar to islands, hence the name. If you see these symptoms on your Hackberry tree - no fear! The symptoms of this disease are aesthetic and your tree may still be healthy. | Texas Plant Disease Diagnostic Lab | Facebook

The hackberry emperor (Asterocampa celtis) is a butterfly that lays its eggs on the underside of the leaves of a hackberry tree, the only plant on which its caterpillars feed. The top side of an adult’s wings are orange-brown with darker brown, and have white spots and a black “eyespot.” The underside of its wings is lighter, but also features spots and an eyespot. Unlike other butterflies, hackberry emperors are not often seen sipping nectar. You’ll find them hanging upside down on a vertical s