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Pest Identification Guide

Identifying pests is the first step to protecting your crops and plants. Our pest identification guide helps you quickly recognize the most common agricultural and greenhouse pests.

Piercing-Sucking Insects

Aphids

Small sap-sucking insects that weaken plants, distort leaves, and excrete honeydew, which promotes mold. They reproduce rapidly and can transmit plant viruses.

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Mealybug

Sap-sucking insects covered in white wax. They weaken plants, deform fruit, and excrete honeydew that promotes mold and attracts ants.

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Scale Insects

Small sap-sucking pests covered by protective scales. They weaken plants, cause leaf yellowing, stunted growth, and produce honeydew that promotes mold.

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Thrips

Tiny insects that puncture plant cells, causing silvery streaks, scarring, and deformed growth. They also spread damaging plant viruses.

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Whiteflies

Small white insects feeding on leaf undersides. They cause yellowing, leaf drop, and transmit plant viruses. Honeydew leads to mold growth.

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Mites

Broad Mites

Microscopic mites that feed on young leaves and flowers, causing distortion, bronzing, and stunted growth in many crops.

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Red Mites

Blood-feeding mites of chickens and other birds. They hide in cracks by day and attack at night, causing irritation, anemia, reduced egg production, and spreading diseases.

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Spider Mites

Microscopic arachnids that feed on leaves, causing stippling, bronzing, and webbing. Thrive in hot, dry conditions and spread quickly.

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Soil-Dwelling Pests

Fungus Gnats

Small flies whose larvae feed on roots in moist soil. They damage seedlings and can transmit root diseases like Pythium.

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Shore Flies

Small flies common in greenhouses. Adults feed on algae, while larvae live in moist soil. They can spread plant pathogens.

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White Grubs & Soil Pests

Larvae of scarab beetles. They live in soil and feed on roots, causing wilting, poor growth, and plant death.

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Caterpillars and Moths

Codling Moth

Larvae bore into apples and pears, feeding on seeds and flesh. Infestations reduce fruit quality and cause heavy losses.

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Corn Borer

Caterpillars that bore into corn stalks and cobs, disrupting nutrient flow and reducing yield. Overwinters in crop residues.

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Clothes Moth and Indian Meal Moth

Larvae infest stored products, fabrics, or grains. They feed on natural fibers or foodstuffs, causing damage and contamination in storage areas.

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Crucifer Caterpillars

Larvae of moths and butterflies attacking Brassica crops. They chew leaves, reduce yield, and lower market value of vegetables.

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Cutworms

Nocturnal caterpillars that cut seedlings at soil level. They hide in soil during the day and damage young crops.

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Leek Moth

Larvae tunnel into leaves and bulbs of leeks, onions, and garlic. Feeding reduces plant vigor and crop quality.

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Beetles and Weevils

Weevils

Beetles with elongated snouts. Adults feed on foliage while larvae damage roots. Infestations weaken crops and reduce productivity.

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Plant Diseases

Fungal Diseases

Plant pathogens causing leaf spots, rots, wilting, and reduced yield. They spread through spores in soil, water, or air.

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