What you should know about the spread of invasive species in Louisiana


The following targeted Hungry Pests have federal quarantines in certain areas of this state. Note: Other Federal and State quarantines may apply.


Asian Citrus Psyllid

Attacks: Citrus crops

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Citrus Greening

Attacks: Citrus crops

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Emerald Ash Borer

Attacks: Ash trees

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Imported Fire Ant

Attacks: Corn, soybean, okra and citrus, among other crops

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This state has some crop, forest, or urban area(s) where the following pests or diseases could survive year-round.


Asian Gypsy Moth

Attacks: A wide variety of North American trees and shrubs

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Asian Longhorned Beetle

Attacks: Hardwood trees, including maples, ash and elm

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Coconut Rhinoceros Beetle

Attacks: many species of palm trees

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European Gypsy Moth

Attacks: More than 300 species of trees and shrubs

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False Codling Moth

Attacks: More than 100 species of plants, fruit trees and field crops

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Giant African Snail

Attacks: More than 500 different types of plants

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Khapra Beetle (wp) Tooltip

Attacks: Stored grains

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Light Brown Apple Moth

Attacks: More than 2,000 species of plants and trees and 250 agricultural crops

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Mediterranean Fruit Fly

Attacks: More than 250 cultivated and wild fruits, nuts and vegetables

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Mexican Fruit Fly

Attacks: More than 50 preferred host plants, including citrus and mango

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Old World Bollworm

Attacks: more than 180 plant species including agricultural crops

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Oriental Fruit Fly

Attacks: More than 230 types of fruits and vegetables

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Spotted Lanternfly

Attacks: fruit crops and trees

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Louisiana: State Information

Louisiana agriculture is a highly significant segment of the State and national economy. In 2011, Louisiana’s agriculture contributed $10.7 billion to the State’s economy. Many Louisiana communities depend on agriculture and forestry commodities as a major job creator and an economic engine. Hungry pests put these commodities at risk. Can you imagine if our beautiful live oaks or pine trees were damaged or destroyed because of something we neglected to do?


Invasive species are threatening Louisiana from all directions. Pathways of introduction are everywhere. If we all pitch in and do our part, we can help protect our agriculture and our environment. LDAF’s Office of Agricultural and Environmental Science (AES), Horticulture and Quarantine Division - in cooperation with USDA’s Plant Protection and Quarantine program - is doing its part by putting an array of pest detection efforts into action. Pest surveys are conducted by AES inspectors who are trained to recognize which pests are threatening our State, what survey methods are most effective at detecting new pest populations, and how to effectively respond when a new pest is detected. These surveys are funded through a national program called the Cooperative Agricultural Pest Survey; its Web site is


To learn more about pests threatening Louisiana, please visit and click the following series of links: “Offices,” “Agricultural and Environmental Sciences,” “Horticulture and Quarantine Programs,” “Plant Pest Quarantine Programs,” and finally “Plant Pest Fact Sheets.”



Report a Hungry Pest in Louisiana

Plant Pest or Disease

Tad Hardy
State Plant Health Director
Phone: 225 298 5410

Animal Pest or Disease

Assistant Director
Phone: 601 936 8591

Find state department of agriculture contacts here.