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Ceratomia amyntor, the elm sphinx or four-horned sphinx, is a North American moth in the family Sphingidae. The species was first described by Carl Geyer in 1835. It has a wingspan of 3 + 1 ⁄ 4 - 4 + 1 ⁄ 2 inches (8.2 - 11.5 cm).
The larval stage of C. catalpae is known as the catalpa or catawba worm. When first hatching, the larvae are very pale, but become darker toward the last instars. The yellow caterpillars will usually have a dark, black stripe down their back along with black dots along their sides. There is also a "pale" phase where the black striping is not as ...
The maximum length of larvae is 35 mm. Webs are progressively enlarged and much messier looking than those of tent caterpillars (which occur only in spring and have shorter hairs and very little yellow on their bodies); also, webs from the fall webworm are concentrated to the tips of the branches, whereas the tent caterpillar webs are largely ...
They are eating leaves on maple, oak, cherries, ash, beech, dogwood, apple and other types of trees. Last spring, the agency discovered about 12,000 acres of land across the state had cankerworms.
Ennomos subsignaria, the elm spanworm moth, is a moth of the family Geometridae. The species was first described by Jacob Hübner in 1823. It is found in North America from Texas (south) to Alberta (northwest) and east to the Atlantic coast. [1] [2] It is recorded infrequently in Great Britain through accidental importation in asparagus. [3]
For instance, in 2023 we found the majority of Woolly Worm caterpillars to be almost sold rust-colored, which pointed to a mild winter ahead. And that was pretty much the case for the winter of ...
Why worry with fall webworms? | Gardening. For premium support please call: 800-290-4726 more ways to reach us
Archips semiferanus (also known as Archips semiferana) is a species of moth in the family Tortricidae, and one of several species of moth commonly known as oak leafroller or oak leaf roller. The larvae feed on the leaves of oak trees in the eastern United States and southeastern Canada and are a major defoliator of oak trees, which can lead to ...