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The fall webworm (Hyphantria cunea) is a moth in the family Erebidae known principally for its larval stage, which creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall. It is considered a pest but does not harm otherwise healthy trees.
The ailanthus webworm (Atteva aurea) is an ermine moth now found commonly in the United States. [ 1 ] [ 2 ] It was formerly known under the scientific name Atteva punctella (see Taxonomy section). This small, very colorful moth resembles a true bug or beetle when not in flight, but in flight it resembles a wasp.
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Acantholyda erythrocephala is a species of sawfly in the family Pamphiliidae commonly known as the red-headed pine sawfly or the pine false webworm. [2] Native to Europe, it has been introduced into North America where it has become invasive .
Achyra rantalis, the garden webworm, is a moth of the family Crambidae described by Achille Guenée in 1854. It is found in North America, [ 1 ] where it has been recorded from Maine to southern Quebec and Ontario , south to Florida and Mexico .
Pediasia trisecta, the large sod webworm or greater sod webworm, is a moth of the family Crambidae. It is found in the United States and southern Canada. [2] The wingspan is 23–33 mm. Adults are on wing from May to October. Adults feed solely on dew. The larvae feed on various Poaceae species.
Though healthy trees are able to withstand one or two years of complete defoliation, stressed trees may be killed. [49] The number of honey locust trees within 10 meters (33 ft) increases attacks by the webworms as does the amount of impermeable hardscape surfaces out to 20 m (66 ft) from a tree.
Herpetogramma phaeopteralis, commonly known as the dark sod webworm, is a species of moth in the family Crambidae. It was described by Achille Guenée in 1854. [1]