Bonide Malathion 50E Concentrate is more used on edibles plants and crops and ornamental shrubs and vines and does not list trees on the product label.
Talstar P is our most popular product for Japanese Beetles on ornamental trees and would be great to use.
Bonide Malathion 50E Concentrate is not labeled for fleas Please take a few moments to review our article/video on How to Get Rid of Fleas for information on treating and preventing this pest.
Malathion would be a great product for worms on pecan trees. The active ingredients Spinosad or Bacillus thuringiensis can also be very helpful controlling webworms on pecan trees. Both active ingredients are natural and safe to use on edible plants and trees and both of them effect the way a caterpillar or worm can feed and cause them to stop eating and die.
No, Bonide Malathion 50E Concentrate is labeled for flea beetles, but it is not labeled for fleas. Please take a look at our Flea Guide for product suggestions and tips on how to treat and prevent fleas.