Treatment for bagworms can only start at certain times during their lifecycle.
Evergreen bagworm pesticide.
The bagworm is a perennial insect pest of arborvitae juniper pine spruce and many other evergreen species including christmas trees.
The active ingredient is spinosad a fermentation derived.
It also attacks certain deciduous trees such as black locust honeylocust and sycamore.
It is recommended for use on ornamental shrubs and fruit trees.
Effective bagworm pesticide for heavy infestations of bagworms.
Bagworm egg sacks are brown and one and a half to two inches 3 8 to 5 cm long.
Begin looking for bagworms during the winter or early spring.
An insecticide with malathion diazinon or carbaryl such as ortho tree shrub insect killer available on amazon can rid you of a bagworm problem if applied to bushes and trees when the worms.
Bagworm sacks can be very hard to find because they look like pine cones.
This insecticide is a powerful bagworm killer and controls many other insect pests.
Bagworms construct a bag around themselves made of plant debris presenting a challenge to control efforts.
How to get rid of bagworms.
They are covered with dead needles so they appear more noticeable in contrast to the green deciduous needles at this time.
However winds can blow the worms from plant to plant which will spread bagworms quite efficiently.
The evergreen bagworm the snailcase bagworm and the grass bagworm.
Because of this if you are using an insecticide against bagworms the penn state university extension recommends applying it early while the larvae are small and most susceptible.