Pennsylvania woodlands host the Carolina grasshopper, which blends perfectly with dry leaves. Knowing the types of grasshoppers in Pennsylvania helps you identify these insects in your backyard or on a hike. This guide covers the most common species you will find across the state.
Grasshoppers are everywhere in Pennsylvania, from fields to forests. They play a big role in the ecosystem, serving as food for birds and other animals. Some species are harmless, while others can damage crops or gardens.
You do not need to be an expert to spot these insects. With a few simple tips, you can tell apart the different types. Let us look at the main species you might encounter.
Types Of Grasshoppers In Pennsylvania
Pennsylvania has over 100 species of grasshoppers. Most are native, but a few have been introduced. The most common ones belong to the families Acrididae and Tettigoniidae. Here is a breakdown of the key groups and species.
Carolina Grasshopper
The Carolina grasshopper is one of the most widespread species in the state. It is large, with a body length of up to 2 inches. Its color is usually gray or brown, with dark spots on the wings.
This grasshopper prefers dry, open areas like fields and roadsides. It is a strong flier and makes a crackling sound when it takes off. You will see it from late summer to early fall.
- Size: 1.5 to 2 inches
- Color: Gray or brown with dark markings
- Habitat: Dry fields, woodlands, and roadsides
- Flight: Loud, crackling sound
Red-Legged Grasshopper
The red-legged grasshopper is another common species. It has bright red or orange hind legs, which make it easy to identify. The body is usually brown or green, with a pale stripe down the back.
This grasshopper lives in meadows, pastures, and gardens. It can be a pest in agricultural areas, feeding on crops like alfalfa and corn. You will find it from June to October.
- Look for red or orange hind legs
- Check for a pale stripe on the back
- Observe the size: 1 to 1.5 inches
- Note the habitat: open fields and gardens
Differential Grasshopper
The differential grasshopper is one of the largest in Pennsylvania. It can grow up to 2 inches long. Its body is brown or olive, with black chevron markings on the hind legs.
This species is common in grassy areas and along roadsides. It feeds on a wide range of plants, including grasses and weeds. It is active from mid-summer to fall.
- Size: 1.5 to 2 inches
- Markings: Black chevrons on hind legs
- Habitat: Grassy fields and roadsides
- Diet: Grasses, weeds, and crops
Two-Striped Grasshopper
The two-striped grasshopper has two distinct yellow stripes running from the head to the wings. The body is brown or green, and the wings are long. It is a medium-sized species, about 1.5 inches long.
This grasshopper lives in moist areas like meadows and near streams. It is a strong flier and can travel long distances. You will see it from late spring to early fall.
- Identify the two yellow stripes on the back
- Note the brown or green body color
- Check the size: 1.2 to 1.5 inches
- Look near water sources or damp fields
Clear-Winged Grasshopper
The clear-winged grasshopper has transparent wings with no markings. The body is usually brown or gray, with a pale stripe on the back. It is a smaller species, about 1 inch long.
This grasshopper prefers dry, sandy soils. It is common in fields and along roadsides. It can be a pest in rangeland, but it is less common in Pennsylvania than other species.
- Size: 0.8 to 1.2 inches
- Wings: Clear and transparent
- Habitat: Dry, sandy areas
- Diet: Grasses and weeds
Migratory Grasshopper
The migratory grasshopper is known for its ability to form large swarms. In Pennsylvania, it is less common than in the west. It has a brown or green body with a dark stripe on the back.
This species lives in grasslands and agricultural areas. It feeds on grasses and crops. You might see it in large numbers during outbreaks, but these are rare in the state.
- Look for a dark stripe on the back
- Note the brown or green color
- Check the size: 1 to 1.5 inches
- Observe behavior: can swarm in large groups
Spur-Throated Grasshoppers
Spur-throated grasshoppers are a group that includes several species. They have a small spine on the underside of the thorax. Common examples include the red-legged and differential grasshoppers.
These grasshoppers are diverse in size and color. They live in a variety of habitats, from fields to forests. They are active during the day and feed on plants.
- Distinctive feature: spine on the thorax
- Common species: red-legged, differential
- Habitat: fields, meadows, and gardens
- Diet: grasses, weeds, and crops
Slant-Faced Grasshoppers
Slant-faced grasshoppers have a pointed face that slopes downward. They are usually slender and green or brown. Common species in Pennsylvania include the green-striped grasshopper.
These grasshoppers prefer moist areas like marshes and wet meadows. They are less common in dry fields. You will find them from spring to fall.
- Identify the pointed, sloping face
- Note the slender body shape
- Check the color: green or brown
- Look near wet or marshy areas
Band-Winged Grasshoppers
Band-winged grasshoppers have colorful bands on their wings. The bands can be yellow, red, or black. These grasshoppers are often seen in open areas like fields and roadsides.
They are strong fliers and make a snapping sound when they take off. Common species include the Carolina grasshopper and the clear-winged grasshopper. They are active in summer and fall.
- Wings: colorful bands (yellow, red, black)
- Flight: snapping sound
- Habitat: open fields and roadsides
- Examples: Carolina grasshopper, clear-winged
Katydids
Katydids are close relatives of grasshoppers. They have long antennae and green bodies that look like leaves. They are more common in trees and shrubs than in fields.
In Pennsylvania, the common katydid is the true katydid. It makes a loud, repetitive call at night. You will hear it from late summer to fall.
- Look for long antennae (longer than the body)
- Note the green, leaf-like body
- Listen for the nighttime call
- Check trees and shrubs, not open fields
Meadow Grasshoppers
Meadow grasshoppers are small and slender. They are usually green or brown, with long wings. They live in grassy areas and are active during the day.
These grasshoppers are common in meadows and pastures. They feed on grasses and are not usually pests. You will see them from spring to fall.
- Size: 0.5 to 1 inch
- Color: green or brown
- Habitat: meadows and pastures
- Diet: grasses
How To Identify Grasshoppers In Pennsylvania
Identifying grasshoppers is easy if you know what to look for. Start with the size and color. Then check the wings and legs. Use these steps to narrow down the species.
- Measure the body length (from head to wing tip)
- Note the color and any markings
- Check the wings for bands or patterns
- Look at the hind legs for colors or stripes
- Observe the habitat (field, forest, wet area)
You can also listen for sounds. Some grasshoppers make noise when they fly. Others call at night. This can help you identify them.
Where To Find Grasshoppers In Pennsylvania
Grasshoppers live in many habitats across the state. You can find them in fields, meadows, and woodlands. They are most active during warm months.
- Fields and pastures: red-legged, differential, two-striped
- Woodlands and forests: Carolina grasshopper, katydids
- Wet areas: slant-faced grasshoppers, meadow grasshoppers
- Gardens and crops: red-legged, migratory
Look for them on plants, grass, and bare ground. They are easiest to spot in the morning when they are warming up in the sun.
Grasshopper Life Cycle In Pennsylvania
Grasshoppers go through three stages: egg, nymph, and adult. Eggs are laid in the soil in late summer or fall. They hatch in spring when the weather warms up.
Nymphs look like small adults but have no wings. They molt several times as they grow. Adults appear in summer and live until fall. Most species have one generation per year.
- Egg stage: laid in soil, overwinter
- Nymph stage: hatch in spring, no wings
- Adult stage: appear in summer, have wings
- Life span: one generation per year
Are Grasshoppers Harmful In Pennsylvania?
Most grasshoppers are harmless to humans. They do not bite or sting. However, some species can damage plants in gardens and farms.
The red-legged and differential grasshoppers are the main pests. They feed on crops like corn, alfalfa, and vegetables. If you have a large infestation, you might need to take action.
- Harmless species: Carolina grasshopper, katydids
- Pest species: red-legged, differential, migratory
- Damage: chewed leaves, stems, and crops
- Control: hand-picking, barriers, natural predators
How To Attract Beneficial Grasshoppers
Some grasshoppers are good for the garden. They help break down plant matter and feed birds. You can attract them by planting native grasses and flowers.
- Plant native grasses like switchgrass and little bluestem
- Leave some areas unmowed for habitat
- Avoid using pesticides that kill beneficial insects
- Provide water sources like shallow dishes
Beneficial grasshoppers include meadow grasshoppers and some katydids. They are part of a healthy ecosystem.
Common Misidentifications
People often confuse grasshoppers with crickets and katydids. Here is how to tell them apart.
- Grasshoppers: short antennae, daytime activity
- Crickets: long antennae, nighttime activity
- Katydids: long antennae, leaf-like body, nighttime calls
Another common mistake is confusing nymphs with adults. Nymphs have no wings, while adults do. This is an easy way to tell them apart.
Grasshopper Predators In Pennsylvania
Grasshoppers have many natural enemies. Birds, spiders, and insects eat them. This helps keep their populations in check.
- Birds: blue jays, robins, hawks
- Spiders: wolf spiders, orb weavers
- Insects: praying mantis, robber flies
- Mammals: shrews, mice, skunks
Encouraging these predators can help control grasshopper numbers naturally. Avoid using broad-spectrum pesticides that kill them.
Grasshopper Sounds In Pennsylvania
Grasshoppers make sounds by rubbing their wings or legs together. This is called stridulation. Each species has a unique sound.
The Carolina grasshopper makes a crackling sound when flying. The two-striped grasshopper makes a buzzing sound. Katydids make a loud, repetitive call at night.
- Carolina grasshopper: crackling flight sound
- Two-striped grasshopper: buzzing sound
- Katydids: loud, repetitive call at night
- Red-legged grasshopper: soft, short chirps
Grasshopper Colors And Camouflage
Grasshoppers use color to hide from predators. Green ones blend with grass. Brown ones match soil and dead leaves.
The Carolina grasshopper is a master of camouflage. It looks like a dry leaf. This helps it avoid birds and other predators.
- Green: blends with living plants
- Brown: blends with soil and dead leaves
- Gray: blends with rocks and wood
- Patterned: disrupts the outline of the body
Grasshopper Migration In Pennsylvania
Most grasshoppers do not migrate. However, the migratory grasshopper can form swarms. These swarms move to new areas in search of food.
In Pennsylvania, swarms are rare. You might see large numbers of grasshoppers in one area, but this is usually due to local conditions, not migration.
- Most species are non-migratory
- Migratory grasshopper can form swarms
- Swarms are rare in Pennsylvania
- Local outbreaks are more common
Grasshopper Control Methods
If grasshoppers damage your garden, you have several options. Start with non-chemical methods. Use barriers like row covers to protect plants.
- Hand-pick grasshoppers in the morning
- Use row covers or netting
- Encourage natural predators
- Apply neem oil or insecticidal soap
Chemical pesticides should be a last resort. They can harm beneficial insects and the environment. Always follow the label instructions.
Grasshopper Species To Watch For
Some grasshopper species are more common in certain parts of Pennsylvania. Here are a few to watch for in your area.
- Eastern Pennsylvania: Carolina grasshopper, red-legged
- Western Pennsylvania: differential, two-striped
- Central Pennsylvania: clear-winged, meadow grasshoppers
- Throughout the state: katydids, slant-faced
Grasshopper Research In Pennsylvania
Scientists study grasshoppers to understand their role in the ecosystem. They also monitor pest species to protect crops. You can help by reporting sightings to local extension offices.
- Report large infestations to your county extension
- Participate in citizen science projects
- Learn about grasshopper biology and behavior
- Share your observations with local naturalists
Fun Facts About Pennsylvania Grasshoppers
Grasshoppers are fascinating insects. Here are some fun facts.
- Grasshoppers can jump 20 times their body length
- They have ears on their abdomen
- Some species change color as they grow
- Katydids are named for their call, which sounds like “Katy did”
Frequently Asked Questions
What Is The Most Common Grasshopper In Pennsylvania?
The red-legged grasshopper is one of the most common. You will find it in fields and gardens across the state.
Are There Any Poisonous Grasshoppers In Pennsylvania?
No, grasshoppers in Pennsylvania are not poisonous. They are safe to handle, though they might bite if provoked.
How Can I Tell A Grasshopper From A Cricket?
Grasshoppers have short antennae and are active during the day. Crickets have long antennae and are active at night.
Do Grasshoppers Damage Lawns In Pennsylvania?
Most grasshoppers do not damage lawns. However, large numbers of red-legged or differential grasshoppers can eat grass blades.