An incredible amount of grasshopper species live in Washington!

Trying to list them all would be impossible. 🙂

So below, you will find the most common and abundant insects found in the order Orthoptera. This includes not only grasshoppers but also crickets and katydids.

7 Grasshoppers in Washington:

#1. Two-striped Grasshopper

Melanoplus bivittatus

Adults are typically 1.2 to 2 inches (3 to 5 cm) long.
They are usually green or tan, with two pale yellow stripes running along the top of their bodies from above their eyes to the hind tips of their wings.
They have green or buff hind tibia with black spines.

These grasshoppers are well adapted to various habitats in Washington!

They can call so many areas home because of their diet. Two-striped Grasshoppers aren’t picky and will feed on grasses, herbaceous or woody plants, seed pods, flowers, and crops.

When food is scarce, Two-striped Grasshoppers scavenge on dead plants and animals. They also occasionally resort to cannibalism!

These grasshoppers can be a lot of fun to find and catch. However, many insect lovers have found out the hard way that Two-striped Grasshoppers are quick to bite when handled. 🙂

#2. Carolina Grasshopper

Dissosteira carolina

Adults grow from 1.2-2.3 in (32–58 mm) in length.
Their coloring is a light brown to tan or gray, which allows them to hide in their environment.
They have large wings that flap dramatically in flight, and people often confuse them with butterflies.

Carolina Grasshoppers are found all over Washington.

Their range includes many climates, and their diet varies depending on their habitat. For example, in pastureland or open fields, they primarily eat grasses. However, these grasshoppers will consume weeds and other less desirable plants in less fertile areas.

These grasshoppers are diurnal, meaning they are primarily active during the day and rest at night. However, don’t be surprised to find one near a light source in the late evening. They’re very attracted to lights! They live mostly on the ground and rarely climb or fly into trees.

#3. Red-legged Grasshopper

Melanoplus femurrubrum

Adults typically range from 0.67 to 1.2 inches (1.7 to 3 cm) long.
Their color varies from reddish-brown to yellow, dark brown, green, or olive green. Their bright red or yellowish hindlegs feature a black herringbone pattern.
Their wings typically extend beyond the tip of their abdomen.

You may have spotted these grasshoppers in Washington flying away as you walk through open habitats like yards, croplands, open floodplains, vacant lots, meadows, and prairies. When startled, they can fly distances of 40 feet (12.2 m)!

These grasshoppers have to be quick to stay alive. They’re an important food source for wildlife like turkeys and quail.

Red-legged Grasshoppers feed on various grasses and other plants, including goldenrod, dandelion, clover, and vetch. But interestingly, when food is scarce, Red-legged Grasshoppers develop longer wings, allowing them to fly to new areas searching for food.

#4. Fork-tailed Bush Katydid

Scudderia furcata

Adults usually range from 1.5 to 1.75 inches (3.8 to 4.4 cm) long.
They are leafy-green with long green antennae but may have pinkish, brownish, or rusty tinges, especially in autumn.
Females have a brownish or purplish ovipositor, a sword-like appendage at the tip of their abdomen.

These katydids make one of the classic sounds of the night in Washington.

Fork-tailed Bush Katydids are one of about 250 species of katydids or “bush crickets” found in North America. Unlike true grasshoppers, they spend most of their time in trees and shrubs and rarely descend to the ground.

These bright green insects are nocturnal. They spend their nights feeding on the flowers, foliage, and fruit of the trees and shrubs they call home. Don’t worry, gardeners; they rarely cause significant damage.

Katydids can be incredibly hard to spot because they blend perfectly with the leaves. If you get lucky, you may spot one on a tree trunk or around an outdoor light at night.

If you find a katydid, you should handle them with care. While not aggressive, they can give a good pinch if handled roughly.

#5. Slender Meadow Katydid

Conocephalus fasciatus

Adults are 0.7-1 in (18–26 mm) long.
Their coloring is a combination of brown and green.
These insects have a slender body and long wings.

You can find Slender Meadow Katydids in various habitats in Washington.

These insects prefer grassy or weedy land in pastures, open woods, and backyards. Unlike many of their relatives, this species has a soft call. It sounds like a series of clicks and buzzing, and each call lasts 1-20 seconds.

Slender Meadow Katydids eat grass and grass seeds, so anywhere with overgrown grasses is a good place to start searching for these bugs.

#6. Mormon Cricket

Anabrus simplex

Adults grow up to 3 inches (8 cm) long.
Most individuals are dark brown to black, although some females are bright green.
They have large, stocky bodies and relatively short legs.

Mormon Crickets are one of the largest crickets in Washington!

Although their common name suggests they are crickets and look similar to grasshoppers, they are actually members of the shield-backed katydid family. You can see this hard outer shell in close-up pictures. Just look for the plate extending from the back of the head to the abdomen.

Although their population is usually rather low, swarms of Mormon Crickets do occur occasionally. These swarms form bands of crickets up to 100 per square meter, posing safety risks. For example, if a band of crickets crosses a highway, drivers can become distracted. Crickets crushed on roadways can even cause slippery conditions similar to ice!

#7. Crackling Forest Grasshopper

Trimerotropis verruculata

Adults are 1-1.5 in (28-38 mm) long.
Their coloring is a dull grayish-brown with light gray markings. It resembles granite.
They have stout, compact bodies and very short legs.

Crackling Forest Grasshoppers are found in mountainous forests in Washington.

Their common name comes from the cracking noise they make in flight.

Their coloring is particularly useful as camouflage against their normal habitat, which includes rocky slopes, mountain ledges, and open mountain forests. They primarily eat grasses and forbs.

Did you like learning about the grasshoppers that live in Washington?

Check out these ID guides that focus specifically on different insects and arachnids in Washington.

Do you need additional help identifying grasshoppers in Washington?

If so, check out this excellent ID guide!

National Audubon Society Field Guide to Insects of North America

7 Grasshopper Species found in Washington!