Leafhoppers

🐛 Leafhopper

Empoasca fabae / multiple genera · Hemiptera: Cicadellidae

Leafhoppers are among the most economically important plant pests globally — not just for their direct feeding damage but as vectors of over 100 plant diseases. The potato leafhopper alone costs US agriculture hundreds of millions annually.

Plant PestHemipteraVirus VectorGardenJumping

🔬

PestControlBasics Editorial Team

Reviewed by Derek Giordano · Updated 2026

Illustrated identification guide — PestControlBasics.com

🔍 Identification

Wedge-shaped; 3-15mm depending on species; typically green, yellow, or brown; jump instantly when disturbed (hence the name). Move sideways or diagonally when walking. Common species: potato leafhopper (green, 3mm), beet leafhopper (pale green), and sharp-shooter leafhoppers (larger, brightly colored).

🧬 Biology & Behavior

Leafhoppers insert stylet mouthparts into plant phloem and xylem, feeding on plant fluids. Some species inject toxic saliva causing 'hopperburn' — a characteristic brown scorching from leaf margins. As vectors, they transmit viruses and phytoplasmas while feeding.

⚠️ Damage & Health Risk

Stippled, pale, or bleached appearance on leaves; yellow to brown margin scorching (hopperburn); plant stunting; transmitted diseases (aster yellows, curly top virus, Pierce's disease in grapes).

🔧 DIY Treatment

Row covers for vegetables exclude leafhoppers before infestation. Yellow sticky traps for monitoring. Pyrethroid sprays when populations exceed thresholds. Neem oil for organic programs. Kaolin clay (Surround) as a physical barrier on foliage. Systemic neonicotinoids for high-value crops.

👷 When to Call a Pro

Commercial operations with significant leafhopper pressure typically integrate monitoring with economic thresholds and timed applications.

❓ FAQ

Do leafhoppers bite humans?

No — leafhoppers have mouthparts designed for plant feeding, not biting. They're completely harmless to humans and pets.

What plants do leafhoppers attack?

Potato leafhoppers attack beans, potatoes, alfalfa, and many ornamentals. Grape leafhoppers attack wine and table grapes. Beet leafhoppers attack sugar beet, tomato, and other vegetables. Most ornamental and food plant species have at least one leafhopper species that feeds on them.

Factor	Details
U.S. Range	All or most U.S. states
Regional Detail	Distribution varies — consult your local extension service for regional prevalence data.

Factor

Details

U.S. Range

All or most U.S. states

Regional Detail

Distribution varies — consult your local extension service for regional prevalence data.

📅 Treatment Timing Guide

Treating at the right time dramatically improves results. Pest control timed to the life cycle uses less product and achieves better long-term control.

Period	Action
Spring	Inspection and perimeter treatment before pest season starts.
Summer	Active monitoring and targeted treatments as needed.
Fall	Preventive treatment before overwintering pests seek entry.

Period

Action

Spring

Inspection and perimeter treatment before pest season starts.

Summer

Active monitoring and targeted treatments as needed.

Fall

Preventive treatment before overwintering pests seek entry.

💰 Professional Treatment Costs

Service Type	DIY Cost	Professional Cost
Initial inspection	Free (self-inspect)	$75–$150 (often credited to treatment)
One-time treatment	$30–$100 in materials	$150–$500
Annual service contract	N/A	$400–$900/year
Severe infestation	Often ineffective alone	$500–$2,500+

Service Type

DIY Cost

Professional Cost

Initial inspection

Free (self-inspect)

$75–$150 (often credited to treatment)

One-time treatment

$30–$100 in materials

$150–$500

Annual service contract

N/A

$400–$900/year

Severe infestation

Often ineffective alone

$500–$2,500+

Prices vary by region, property size, and infestation severity.

❓ Common Questions About 🐛 Leafhopper

How do I confirm I actually have this pest (not something similar)?

The most reliable confirmation is a physical specimen — capture one and compare to reference images on this page. For cryptic pests (bed bugs, termites), look for secondary signs: frass, shed skins, mud tubes, or bites with a specific pattern. When uncertain, a professional inspection is faster than months of misidentification.

Can I treat this myself or do I need a professional?

DIY is effective for small, accessible infestations caught early. Professionals are worth the cost when: the infestation is inside wall voids or structural elements, multiple rooms are affected, you have health-risk pests (hantavirus, venomous species), or DIY has already failed twice.

How long until the infestation is completely gone?

Expect 3–8 weeks for most infestations with proper treatment. Insects with dormant life stages (pupae, eggs) extend the timeline because those stages are impervious to most insecticides. Follow-up treatments at 2 and 4 weeks catch each new cohort as they emerge.

What's the most common mistake people make treating this pest?

Treating only the visible pest population while ignoring the harborage site, entry point, or breeding location. Killing adults provides temporary relief but the population rebuilds from hidden egg cases, pupae, or new arrivals through unaddressed entry points.