Invasive species coming to america
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Invasive Species – Coming to America. Exotic insects - a growing problem. >1,554 exotic insect species in U.S. >4,500 exotic arthropod species in U.S. Increase due to international trade and travel. From R. Venette, USDA FS. Invasive species – not just insects. Plants aquatic terrestrial

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Invasive Species – Coming to America

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Invasive species coming to america

Invasive Species – Coming to America


Exotic insects a growing problem

Exotic insects - a growing problem

  • >1,554 exotic insect species in U.S.

  • >4,500 exotic arthropod species in U.S.

  • Increase due to international trade and travel

From R. Venette, USDA FS


Invasive species not just insects

Invasive species – not just insects

  • Plants

    • aquatic

    • terrestrial

  • Animals

    • insects

    • fish

    • amphibians

    • birds

    • mammals

  • Pathogens


Meaning of invasive

Meaning of “Invasive”

Polydrusus spp.

  • Species non-native to an environment may be called:

    • Alien

    • Exotic

    • Introduced

  • If they also cause harm to the economy, environment and / or human health they are called:

    • Invasive

  • Native species are not called invasive even if they do cause harm

Steve Katovich USDA Forest Serivce

Emerald ash borer

Jeff Hahn, University of Minnesota

Bronze birch borer

Steve Katovich USDA Forest Serivce


Invasive species coming to america

Invasive Species of Concern for Minnesota

  • Plants

    • Cut-leaved teasel

    • Dalmation toadflax

    • Yellow star thistle

    • Grecian foxglove

    • Black swallow-wort

    • Japanese knotweed

  • Survey

    • Visual surveys


Invasive species coming to america

Invasive Species of Concern for Minnesota

  • Pathogens / nematodes

    • Potato cyst nematode

    • Soybean rust

    • Sudden oak death

  • Monitoring

    • Soil / plant tissue collection

    • Laboratory analysis


Invasive species coming to america

Invasive Species of Concern for Minnesota

  • Insects

    • Emerald ash borer

    • Gypsy moth

    • European woodwasp

    • Light brown apple moth

    • Asian longhorned beetle

    • Exotic bark & ambrosia beetles

    • Swede midge

  • Survey

    • Traps baited with pheromone or other attractant


Invasive species action spectrum

Invasive Species Action Spectrum


Pest status absent

David R. Lance, USDA APHIS PPQ

Kenneth R. Law, USDA APHIS PPQ

Pest Status = Absent

Sirex Woodwasp

Asian longhorned beetle

Emerald Ash Borer


Pest status present not established

Gyorgy Csoka, Hungary Forest Research Institute

Kevin D. Arvin

Pest Status = Present, not established

Gypsy Moth

Pine Shoot Beetle

Japanese Beetle


Pest status established

Steve Katovich, USDA Forest Service

Pest Status = Established

White Pine Blister Rust

Common Buckthorn

Dutch Elm Disease

Maja Jurc, University of Ljubljana


Invasive species action spectrum1

Invasive Species Action Spectrum


Prevention

Prevention

  • Pest Risk Assessment

    • Quantitative means to rate risk posed by various pests

  • Education

    • Inform public how invasive species are moved

  • Regulation

    • Legal actions such as inspection and quarantine


Invasive species action spectrum2

Invasive Species Action Spectrum


Early detection

Early Detection

  • Surveys

    • Risk-based

  • Monitoring

    • Firewood & Nursery inspection

  • Citizen reports

    • Arrest the Pest Hotline


Invasive species action spectrum3

Invasive Species Action Spectrum


Rapid response

Rapid Response

  • Emergency Quarantine

    • Stop artificial spread

  • Delimiting and Investigation

    • Determine the scale

    • Determine the source

  • Eradication or Suppression

    • Mitigate as able


Invasive species action spectrum4

Invasive Species Action Spectrum


Management

Linda Haugen, USDA FS

Scott Bauer USDA ARS

David Cappaert, Michigan State University

Management

  • Silvicultural

    • Sanitation

  • Biological Control

    • Parasitoids, etc.

  • Chemical Control

    • Injections

  • Others


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