Red-legged Grasshopper

Melanoplus femurrubrum · Order: Orthoptera · Family: Acrididae

Also called: Redlegged Grasshopper, Red-legged Locust

Damages trees, gardens or crops. It can damage garden plants and agricultural crops such as soybeans, alfalfa, wheat and barley.

Source: Wikipedia

Red-legged Grasshopper
Photo: unknown, CC0

The red-legged grasshopper is a medium-sized insect with a reddish-brown back, greenish-yellow belly and red hind legs, and its wings reach past the abdomen. It lives in grasslands, thick vegetation, disturbed areas and old fields across most of North America, especially in Mexico, the United States and Canada. It feeds on a wide range of grasses, shrubs, forbs and crops, and at high numbers it can become a pest of gardens and grain fields.

Source: Wikipedia

Size

Males are about 1.7 to 2.4 cm long and females about 1.8 to 3.0 cm.

Source: Wikipedia

Is it a pest in the house?

In large numbers it can become a garden pest and damage grain crops such as soybeans, alfalfa, wheat and barley.

Source: Wikipedia

Where it lives

Found in grasslands, thick vegetation, disturbed habitats and old fields.

Source: Wikipedia

What it eats

A mixed-feeding herbivore that eats grasses, shrubs, forbs and various garden and crop plants, including leaves, fruits, flowers, buds and even bark.

Source: Wikipedia

Life cycle

Undergoes incomplete metamorphosis with egg, nymph and adult stages. Usually one generation per year, though southern populations may have more.

Source: Wikipedia

When you see it

Females lay eggs in the top 2 cm of soil in autumn; eggs overwinter in diapause and hatch as first-instar nymphs when soil warms in spring.

Source: Wikipedia

Where it comes from

Common throughout Mexico, the United States and Canada.

Source: Wikipedia

Where it is found in the US

Recorded in 50 of 51 states and DC. Most records: Colorado, Michigan, New York, Massachusetts, Utah, Texas, Washington, Ohio.

Darker = more records. Counts are museum and citizen-science records, not population size.

Source: GBIF

Status: native in North America; native in United States; native in Canada. Source: iNaturalist

Months it is reported in the US

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Source: GBIF

More photos

Questions people ask

What plants do they damage?

They can feed on and damage a variety of garden plants and grain crops, especially soybeans, alfalfa, wheat and barley.

Source: Wikipedia

Where are they found?

They occur throughout most of North America, favoring grasslands, thick vegetation, disturbed sites and old fields.

Source: Wikipedia

How big do they get?

Males range from about 1.7 to 2.4 cm, while females are slightly larger, 1.8 to 3.0 cm long.

Source: Wikipedia

Same family (Acrididae)

Sources

  • Wikipedia: https://en.wikipedia.org/wiki/Melanoplus_femurrubrum

Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia

Text written 2026-10-22 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.

How this page works

This is one bug's fact sheet. The colored box at the top says whether it is dangerous. Sections below cover how to recognize it, whether it is a pest, and how to deal with it. The US map shows which states have records; tap a state to see other bugs there.

Every fact on Bug FAQ comes from a named source (university extension sites, government agencies, GBIF, iNaturalist, Wikipedia). The source is linked next to each section. If we have no source for something, we leave it out.