Minnesota’s Big 4 Invasive Forest Health Threats: MDA Update Angie Ambourn.

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Presentation transcript:

Minnesota’s Big 4 Invasive Forest Health Threats: MDA Update Angie Ambourn

EAB Life Cycle David Cappaert, MSU

EAB Host Trees David Cappaert Black ash Green ash White ash Blue ash Manchurian ash Green ash (througout MN) Black ash White ash Susceptibility low high

EAB US Distribution

EAB Distributio n in MN

Anoka County

Fillmore County

Chisago and Scott Counties

Washingto n County

Park Point

Purple Prism Trapping

EAB Bio Control Tetrastichus planipennisiOobius agrili

Where is Gypsy Moth? Europe and north Africa (native) U.S. and Canada (invasive)

Gypsy Moth Life Cycle

Life Stages

Early Detection Daniel Herms, The Ohio State UniversityChris Evans, Illinois Wildlife Action Plan

State Survey Program MDA staff 16,044 traps total- there more set by cooperators 1052 total moths ( MDA+ cooperators) Double from last year

Gypsy Moth Trends in Minnesota

MPB in Minnesota MPB in a cabin log MPB in firewood

Kenneth Gibson, USDA FS Funnel Trapping

Thousand Cankers Disease Whitney Cranshaw, Colorado State Univ. Ned Tisserat, Colorado State University Jennifer Juzwik USFS

TCD Presence

Black Walnut Native Range Miles, P.D Forest Inventory EVALIDator web-application

TCD Symptoms Rapid wilting Top-down dieback Epicormic shoots Whitney Cranshaw, Colorado State. Univ. B.Moltzan, USFS

Ned Tisserat, ColoradoState Univ. Cankers grow together

Pinhead size holes Insect tunnels, dead area Whitney Cranshaw, Colorado State. Univ. Ned Tisserat, Colorado State University

Funnel Trapping

Questions?