A: When we see something weird growing on tree bark, it is usually algae, lichens, moss or fungi (or a combination of these). These can be gray, white, green or even orange.

When we see something weird growing on tree bark, it is usually algae, lichens, moss, or fungi (or a combination of these). These can be gray, white, green, or even orange.

Use insecticidal soap or neem oil to combat nymphs without relying on commercial pesticides. "Both are effective on nymphs," Meyer says. "Spray directly on lanternflies, ideally in the early morning ...

Question: We have a large 60+ foot mulberry tree in our backyard that is located by our pond. This is the first year I have seen these dark streaks on the bark of the tree. Should I have concerns?