Table of Contents
How do you treat pine weevils?
The standard approach to manage white pine weevil is to spray insecticides in spring so that they cover the terminal. This treatment is directed at the overwintered adults to kill them before they lay eggs.
What does a pine weevil look like?
The adult is a small rust-colored weevil that is about 4-6 mm long. It has irregularly shaped patches of brown and white scales on the front wings. Near the apex of the front wings is a large white patch. Like most weevils, the adult has a long snout-like beak from which small antennae arise.
What kills white pine weevils?
Damage from white pine weevil can be prevented by spraying the upper trunk and terminals of spruce and pine in early to mid-April and again two weeks later with products that contain bifenthrin, permethrin or cyfluthrin. Apply these products at rates given on the label for bark beetles or borers.
What do weevils do to trees?
Damage
- When weevils are present in low numbers only a few notches on the edges of leaves will be apparent. If many weevils are present, the leaves are often scalloped and left with only the main vein.
- The grubs are highly destructive to plants.
- Infested plants have stunted growth; leaves turn yellow and then wilt.
Can weevils damage your home?
Weevils enter buildings by crawling through cracks or openings around foundations, doors and windows. They do not harm people or pets, or damage buildings or property, or infest food products. They are a temporary nuisance.
How do you get rid of white weevils?
White vinegar is also known to kill pesky pantry weevils. After rinsing your shelves with soapy water, wipe them down with white vinegar to prevent a future infestation from occurring.
How do you get rid of weevils on trees?
Getting Rid of Weevils. As mentioned, we recommend heading into your garden at night and using a flashlight to locate the weevils. Wearing gloves, manually remove the adult insects, larvae and eggs, and place into a container of soapy water to destroy.
What do pine weevils eat?
The adult beetle feeds on the bark of living trees and other woody plants, with a preference for the bark of young trees. Its feeding damage can kill a young tree if it girdles the stem (trunk), and a large population of weevils can kill thousands of young trees on a newly restocked site.
What is the best insecticide for weevils?
Novacide is our top recommended insecticide to control weevils in that can kill adult weevils and comes with an IGR (or Insect Growth Regulator) which affects weevil larvae and eggs. The best part about Novacide is its residual effect as it can remain effective for up to 7 months so you don’t have to apply often.
Do pine weevils fly?
When the adult emerges from pupation it walks or flies to living trees and other woody plants to feed.
What causes weevil infestation?
What Causes Weevils? The main cause of weevils is improperly stored foods. They can also enter your house through cracks in the walls or come in food packaging. The female adult weevils dig a small hole into the seed or kernel and lay eggs inside.
Why am I finding weevils in my house?
Adult weevils look for shelter in unfavorable weather conditions, especially when it is hot and dry. Weevils enter buildings by crawling through cracks or openings around foundations, doors and windows. They do not harm people or pets, or damage buildings or property, or infest food products.
What are weevils attracted to?
Weevils are a type of beetle that are primarily attracted to wheat and stored grains. In homes, they can infest pantries and make their way into dry food products. In the wild, they are particularly damaging to crops.