The autumn moths weave their webs

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What makes these canvases in the trees?



bring uninvited guests to last weekend’s picnic. If the caterpillar looked like this, there’s a good chance it fell out of a silk bag like this, you’ve probably noticed a lot of it in recent months. No, these are not tent caterpillars, there are web worms falling. It’s in a tent caterpillar either. It’s just a caterpillar on a tent. Anyway, let’s go back to the web worms in adulthood, the web where moths lay their eggs on a wide variety of hardwoods. When the caterpillars hatch, they wrap the tips of the branches in silky webs and enlarge them as they grow larger and consume more leaves. After 4-6 weeks, mature caterpillars abandon the webs and weave cocoons in the soil and leaf litter. Of course, if the potato salads fit into a nest in the ground, you might end up with your potatoes a bit. But fall webworms aren’t normally a serious threat to trees, so there’s no real need for chemical warfare. If you can get to the nest, simply cut it open, then apply starting pressure or burn it. But if the nests are out of reach, you might want to move the picnic table. I’m Jack Hubley News Eight

What makes these canvases in the trees?

You may have noticed a lot more webs in the trees lately and wondering what is the cause. In late summer and early fall, it is very likely that these webs are created by the fall webworm. Watch a WGAL archive video of WGAL’s Jack Hubley in the video player above. Jack explains everything you need to know about the corn borer in his unique style. The distinctive silky sacs are an important part of the corn borer life cycle. How are the canvases made? As adults, moths lay their eggs in a wide variety of hardwoods. When the caterpillars hatch, they wrap the tips of branches in webs and enlarge them as they grow and consume leaves. After four to six weeks, mature caterpillars abandon the webs and weave cocoons in the soil and leaf litter. Can moths hurt trees? Fall moths do not normally pose a serious threat to trees. Typically, any leaves they eat will regrow the following spring. It is not necessary to poison the canvas with chemicals. If you want to remove a web and you can reach for it, you can just cut off the branch and crush it or burn it in a fire.

You may have noticed a lot more webs in the trees lately and wondering what is the cause.

In late summer and early fall, it is very likely that these webs are made by the fall moth.

Watch a WGAL archive video of WGAL’s Jack Hubley in the video player above. Jack explains everything you need to know about the corn borer in his unique style.

The distinctive silky sacs are an important part of the corn borer life cycle.

How are the canvases made?

As adults, moths lay their eggs in a wide variety of hardwoods. When the caterpillars hatch, they wrap the tips of branches in webs and enlarge them as they grow and consume leaves.

After four to six weeks, mature caterpillars abandon the webs and weave cocoons in the soil and leaf litter.

Can moths hurt trees?

Fall moths do not normally pose a serious threat to trees. Typically, any leaves they eat will regrow the following spring.

It is not necessary to poison the canvas with chemicals.

If you want to remove a web and you can reach for it, you can just cut off the branch and crush it or burn it in a fire.


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