Schefflera With Disease

Question

My schefflera, which looks healthy, has a sticky residue on its leaves that has even coated a windowsill and the carpet underneath it. Is this a disease or a pest?

Answer 1

This is caused by a pest, either scale or aphids. These articles will help you:
https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm
https://www.gardeningknowhow.com/plant-problems/pests/homemade-aphid-control-a-natural-way-to-kill-aphids.htm

Answer 2

its scale. the plant needs to be treated along with the area where its sticky. scale will attach itself to almost anything and spreads quickly to other plants