Washington State Department of Agriculture - It's #GypsyMothMonday and today we're talking about gypsy moth impostors! While gypsy moths are rare in Washington, tent caterpillars and fall web worms are common and
![Eastern Tent Caterpillar Moth Malacosoma americanum (Fabricius, 1793) | Butterflies and Moths of North America Eastern Tent Caterpillar Moth Malacosoma americanum (Fabricius, 1793) | Butterflies and Moths of North America](https://www.butterfliesandmoths.org/sites/default/files/bamona_images/07701-malacosoma_americana-easterntentcaterpillarmoth-b-img_5282_0.jpg)
Eastern Tent Caterpillar Moth Malacosoma americanum (Fabricius, 1793) | Butterflies and Moths of North America
![Eastern Tent Caterpillar Moth (Malacosoma americanum) looking at camera while resting on my finger; bushy antennae, fuzzy legs gripping; both wings up and out Photos | Adobe Stock Eastern Tent Caterpillar Moth (Malacosoma americanum) looking at camera while resting on my finger; bushy antennae, fuzzy legs gripping; both wings up and out Photos | Adobe Stock](https://as2.ftcdn.net/v2/jpg/04/28/57/63/1000_F_428576319_4GKMNwtn7L8IgoAyJtlZdPqWvXcOJlkE.jpg)
Eastern Tent Caterpillar Moth (Malacosoma americanum) looking at camera while resting on my finger; bushy antennae, fuzzy legs gripping; both wings up and out Photos | Adobe Stock
![Eastern Tent Caterpillar Moth Malacosoma americanum (Fabricius, 1793) | Butterflies and Moths of North America Eastern Tent Caterpillar Moth Malacosoma americanum (Fabricius, 1793) | Butterflies and Moths of North America](https://www.butterfliesandmoths.org/sites/default/files/bamona_images/tent_caterpillar_moth1.jpg)
Eastern Tent Caterpillar Moth Malacosoma americanum (Fabricius, 1793) | Butterflies and Moths of North America
![File:- 7701 – Malacosoma americana – Eastern Tent Caterpillar Moth (47990074762).jpg - Wikimedia Commons File:- 7701 – Malacosoma americana – Eastern Tent Caterpillar Moth (47990074762).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/e/ed/-_7701_%E2%80%93_Malacosoma_americana_%E2%80%93_Eastern_Tent_Caterpillar_Moth_%2847990074762%29.jpg/2560px--_7701_%E2%80%93_Malacosoma_americana_%E2%80%93_Eastern_Tent_Caterpillar_Moth_%2847990074762%29.jpg)
File:- 7701 – Malacosoma americana – Eastern Tent Caterpillar Moth (47990074762).jpg - Wikimedia Commons
![Invasive Species Ctr on X: "We don't know why this species is so social but we know that there are a lot of them. Tent caterpillars are native to North America and Invasive Species Ctr on X: "We don't know why this species is so social but we know that there are a lot of them. Tent caterpillars are native to North America and](https://pbs.twimg.com/media/De7sM3qWAAA2QPJ.jpg)