The movie set is " a series of subliminal whispers to thematic elements" in the movie
https://www.nytimes.com/2023/10/22/podcasts/the-daily/fisk-killers-of-the-flower-moon.html
Here are some youtube videos, or articles that caught my eye - from the New York Times, Consumer Reports, Popular Science etc.
Insect infestations that lead to honeydew are frequently found on rose, ash, oak, elm, maple, willow, and fruit trees."