cotton on :
- v understand, usually after some initial difficulty
News & Articles
- Cotton on your trees?
An interesting pest is infesting trees in the area, covering them with tiny puffs of cotton. It is cottony maple scale. This insect creates egg sacks that look like ¼- to ½-inch long balls of cotton on the trees. When there are heavy infestations, whole branches may be covered in white.
July 9, 2013 - The Record-Courier