Desert Locust

Schistocerca gregaria · Order: Orthoptera · Family: Acrididae

Damages trees, gardens or crops. Desert locusts can devastate crops, garden plants, and other vegetation.

Source: Wikipedia

Desert Locust
Photo: Philipp, CC BY

They form massive swarms that can travel up to 150 km in a day. Locusts switch from a solitary, short-winged form to a gregarious, long-winged, migratory phase when conditions trigger population surges. During surge years they can spread far north into Southern Europe, Eastern Africa, and Northern India, causing major crop losses.

Source: Wikipedia

How to recognize it

They change body form over generations in response to the environment. The species can be solitary and non-migratory or gregarious and migratory.

Source: Wikipedia

Size

A swarm may contain about 150 million locusts per square kilometre and can fly with the wind up to 150 km in a day.

Source: Wikipedia

Is it a pest in the house?

When present in low numbers they may go unnoticed, but they can eat all vegetation, including crops.

Source: Wikipedia

How to get rid of it

Control relies mainly on chemical pesticides. Early warning and preventive measures are used to stop plagues from developing. FAO coordinates surveys, control operations, and emergency assistance during upsurges. The best time to spray is early morning or late afternoon when locusts are on the ground.

Source: Wikipedia, FAO

What it eats

Desert locusts eat large amounts of any green vegetation. They can consume all vegetation, including valuable crops.

Source: Wikipedia

Life cycle

Their body form changes periodically over several generations in response to environmental conditions. They start as solitary, short-winged, highly fecund insects and become gregarious, long-winged, migratory adults.

Source: Wikipedia

When you see it

During population surge years they move northward into new regions. The 2004 to 05 upsurge caused major crop losses and reduced food security in West Africa.

Source: Wikipedia

Lookalikes

Locusts differ from other grasshoppers by their ability to become gregarious and form swarms as density increases.

Source: Wikipedia

More photos

Desert Locust photo 3
Photo: unknown, CC0
Desert Locust photo 4
Photo: Joey Bom, CC BY
Desert Locust photo 5
Photo: Bernard DUPONT, CC BY
Desert Locust photo 6
Photo: nberhe, CC BY

Questions people ask

How far can a desert locust swarm travel in a day?

A swarm can fly up to about 150 km (93 mi) in one day with the prevailing wind.

Source: Wikipedia

What triggers desert locusts to become gregarious?

Environmental conditions that increase population density cause solitary locusts to change into a gregarious, migratory form.

Source: Wikipedia

Do desert locusts damage crops?

Yes, they eat large amounts of green vegetation and can consume all crops, causing major losses.

Source: Wikipedia

How are desert locust outbreaks controlled?

Control mainly uses chemical pesticides, applied early in the morning or late afternoon, and relies on early warning and coordinated FAO efforts.

Source: Wikipedia, FAO

Same family (Acrididae)

Sources

  • Wikipedia: https://en.wikipedia.org/wiki/Desert_locust
  • FAO: https://www.fao.org/locusts/en/

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

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

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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.

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