White Powdery Sticky Substance on Tree Branches: Aphids or Scale

Unknown tree (possibly weeping mulberry) has white powdery substance on branches that rubs off sticky. Likely aphids or scale insects producing honeydew.

Identification

1. Snip affected twig → local nursery for ID (insect + tree).
2. Tree ID guides proper care.

Treatment

Based on ID: horticultural oil, insecticidal soap, or systemic imidacloprid. Large trees limit spray reach; natural predators often suffice.