Pecans drop to the ground and the larvae go into the soil where they stay for up to two years. If within reach a web located at the tip of a branch can easily be pruned out and destroyed.
Web worms are the larval stage of a small white moth.
How to get rid of worms in pecan trees. Trim out the webs using tree trimmers. I have a couple of trees with web worms in them. Place the pw traps four per tree near the drip line under suspected weevil trees by july 25.
Preventing the pecan weevil from nesting in your tree can help stop worms from burrowing in your. This will allow you to catch the crawlers but not the flyers of course. Some of the webs are pretty high and i will have a hard time cutt.
Knocking the webs out of the tree will remove them fairly quickly and kill the little ones. Cone shaped emergence traps are the best way to detect first emergence of pw adults. I have heard burn them cut the branches and burn the branches spray with insect killer poke holes in the webs and let birds eat them.
They typically appear on pecan and other trees in late summer and early fall. What do y all do to get rid of them. Pecan trees carya illinoensis are widely grown in south carolina mainly for both their tasty edible nuts and shade.
On pecan trees nut production and quality can be reduced if severe infestations are not controlled. The pecan weevil burrows into the nut before the shell hardens and lays eggs then worms hatch from the eggs and devour the nut. You can spray pecan trees that have a history of pw damage with an insecticide at gel stage and then spray again 10 to 14 days later.
Breaking the web and allowing birds to feast has worked for one reader. Removal of webworms in small yard trees can be accomplished using a rake or a long pole equipped with a hook to pull down the webs. Sprays both organic and chemical can be used.
There are several different types of pests that infest pecan trees. Referred to by many as bag worms tent worms or web worms these pests can set up camp in your pecan tree in no time at all. To get rid of the pecan weevils you can dust trees sevin during the last week of august through the first week of september.