What insect does the most damage to crops?

Author: Howard Ledner  |  Last update: Friday, June 19, 2026

What Insect Causes the Most Crop Damage?
  • Fall Armyworm. The fall armyworm (Spodoptera frugiperda) has emerged as one of the most notorious pests in recent years, making it a contender for causing the most crop damage globally. ...
  • Locust Swarms. ...
  • Boll Weevil. ...
  • Aphid. ...
  • Corn Earworm.

Which of the following insects is most destructive for crops?

Here are some of the most destructive pests in agriculture:
  • Locusts. Locusts are notorious in the agriculture industry. ...
  • Japanese Beetles. ...
  • Mormon Crickets. ...
  • True Bugs. ...
  • Corn Rootworm. ...
  • Colorado Potato Beetle. ...
  • Stink Bugs.

What insect causes the most damage?

Termites cause over $5 billion of damage to property in the U.S. each year, according to the National Pest Management Association. And damage by termites is typically not covered by homeowner's insurance.

What insect harms crops?

Xylella fastidiosa: this bacterium is transmitted by a small insect, the meadow spittlebug. It can have an impact on major agricultural crops such as vines, citrus, almonds and olives. The pinewood nematode is a microscopic worm transported by a beetle. A single insect can carry several hundred nematode larvae.

What causes the most damage to crops?

Insects and Pests

Since the domestication of agricultural crops or the dawn of the agricultural revolution, insects and pests are the main villains of the crop. They have been competing with humans over farm produce. They damage crops in two ways: Direct injury and indirect damage.

Purdue technology could help control insect damage on crops

What is the cause of 90% of crop losses?

The U.S. Department of Agriculture estimates that 90% of crop losses are related to extreme weather – but it's not just the direct impact of summer drought, floods and severe storms. Winter weather is another important variable to consider when it comes to a successful agricultural operation.

What is the biggest threat to crops?

Soil erosion.

Heavy rainfalls can lead to more soil erosion, which is a major environmental threat to sustainable crop production.

What bug kills crops?

Spotted lanternflies are a significant economic and lifestyle pest for residents, businesses, tourism, forestry, and agriculture. Their presence has led to crop loss, exporting issues, and increased management costs.

What is the most common pest to farmers?

True bugs are one of the most common agricultural pests, encompassing all insects of the Order Hemiptera. Some of these insects are more commonly known as cicadas, aphids, planthoppers, leafhoppers, and shield bugs. They damage using their piercing mouthpieces to penetrate into the plant and suck out its juices.

What is an insect that attacks crops?

Caterpillars, the immature larval stage of butterflies and moths, are the most significant pests of brassica crops (collards, kale, cabbage, broccoli, cauliflower, mustard, turnips, and others). Other pests that cause occasional damage include aphids, whiteflies, harlequin bugs, and flea beetles.

What is the most killing insect?

Small But Deadly: The Deadliest Insects In The World
  • Killer Bee. Killer bees originated in Brazil but can now be found in much of the southwestern United States. ...
  • Fire Ant. Fire ants are another species that originated in South America. ...
  • Asian Giant Hornet. ...
  • Assassin Bug. ...
  • Tsetse Fly. ...
  • Mosquito. ...
  • Flea. ...
  • Deadly but Avoidable.

What insect hurts the most?

Bullet ant

Last but not least, we have the most painful sting of all — the bullet ant sting. Schmidt describes the pain as “pure, intense, brilliant pain.

What is the most damaging pest?

Termites: Silent Destroyers

Let's start with the big one on every homeowner's mind: termites. These little insects cause billions in property damage every year. Often, the case that such damages aren't apparent to the homeowner until it's too late.

What pest causes the most damage to farms?

What Insect Causes the Most Crop Damage?
  • Fall Armyworm. The fall armyworm (Spodoptera frugiperda) has emerged as one of the most notorious pests in recent years, making it a contender for causing the most crop damage globally. ...
  • Locust Swarms. ...
  • Boll Weevil. ...
  • Aphid. ...
  • Corn Earworm.

What kills crops?

Insects such as worms and beetles can infest a crop and destroy it. To keep this from happening many farmers will spray their crops with insecticides. Insectisides are strong chemicals that will kill the insects that will harm the crop without killing the actual crop.

What are the three enemies of the garden?

There are three major groups of natural enemies: predators, parasitoids and pathogens.

Which of the insects destroys grains?

Five primary pests cause most of the insect damage to grain in storage and shipment. These are the granary weevil, the rice weevil, the maize weevil, the lessor grain borer or Australian wheat weevil, and the Angoumois grain moth.

What are the 2 most common food pests?

There are 3 main groups of pests that are encountered in food businesses: Rodents - rats and mice ● Insects - cockroaches, beetles, flies etc ● Birds - pigeons, seagulls etc.

How do farmers keep bugs away?

U.S. farmers employ a range of pest management strategies to control weeds, insects, fungi, viruses, and bacteria. They till their soils, rotate their crops, scout their fields, and carefully consider factors such as plant density and planting dates. They also apply organic and synthetic pesticides.

What crop damage is caused by insects?

Insects with chewing mouthparts, for example, grasshoppers, caterpillars, and beetles, cause feeding damage such as holes or notches in foliage and other plant parts, leaf skeletonizing (removal of tissue between the leaf veins), leaf defoliation, cutting plants off at the soil surface, or consumption of roots.

Why is spotted lanternfly bad?

Why are spotted lanternflies a concern? Spotted lanternflies feed on a wide range of plant species, stressing and occasionally killing plants. They are primarily agricultural pests that can cause significant damage to grape vines, fruit trees, and hardwoods, reducing crop yields.

What is a major pest?

A major pest is a pest species that is currently causing significant damage to crops, livestock, or other resources, and is known to be a major economic or ecological problem. These pests have already established themselves and are well-documented as causing significant damage to the environment or human activities.

Will crops fail by 2030?

By 2030, crop yield failures will be 4.5 times higher. By 2050, the likelihood shoots up to 25 times current rates.By mid-century, the world could be facing a rice or wheat failure every other year, with the probability of soybean and maize failures even higher.

What is the most harmful crop?

10 Crops That Are Destroying Our Planet
  1. 1 Palm Oil. The Problem With Palm Oil | Fight for the Forests | TakePart.
  2. 2 Soybeans. Deforestation: The hidden soy on your plate. ...
  3. 3 Corn (Maize) The Corn Industry – Factory Farming, Processed Foods, and Ethanol. ...
  4. 4 Cotton. ...
  5. 5 Rice. ...
  6. 6 Sugarcane. ...
  7. 7 Bananas. ...
  8. 8 Wheat. ...

What is the biggest danger to plants on land?

The main threat to both plant and fungi species is habitat loss and land-use change in the form of forestry, agriculture or residential and commercial development.

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