Idaho cereal leaf beetle oulema melanopus project update 2006
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Idaho Cereal Leaf Beetle ( Oulema melanopus ) Project Update 2006. Ben Simko Mike Cooper Division of Plant Industries. Cooperators. Brad Brown , University of Idaho, Parma Research and Extension Center Dan Bean, Colleen Jandreau Colorado Department of Agriculture, Palisades CO

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Idaho cereal leaf beetle oulema melanopus project update 2006

Idaho Cereal Leaf Beetle (Oulema melanopus) Project Update 2006

Ben Simko

Mike Cooper

Division of Plant Industries


Cooperators
Cooperators

  • Brad Brown, University of Idaho, Parma Research and Extension Center

  • Dan Bean, Colleen Jandreau Colorado Department of Agriculture, Palisades CO

  • USDA PPQ CAPS Biocontrol Project Funding


Clb questions
CLB Questions

  • What is the economic impact on small grain production in the various ID production areas?

  • What are appropriate economic thresholds for our market classes of grain?

  • What is the impact of native generalist predators and T. julis on CLB population levels (egg predation by coccinellids)?

  • Why did we experience lower CLB population levels in SW Idaho in 2006?


Idaho cereal leaf beetle oulema melanopus project update 2006

Egg parasite

Anaphes flavipes

ISDA CLB

Biological Control Project

Larval Parasite

Tetrastichus julis


Idaho cereal leaf beetle oulema melanopus project update 2006

University of Idaho

Parma Experiment Station


Idaho cereal leaf beetle oulema melanopus project update 2006

CLB Egg Parasite Nursery

University of Idaho

Parma Experiment Station



Id clb egg parasite anaphes flavipes 2005 releases and observations
ID, CLB Egg Parasite Anaphes flavipes 2005 Releases and Observations

  • June 13 - Recovered 2 more adult A. flavipes

  • June 14 - 4th release of CO parasites (931) 52 eggs collected for parasites

  • June 24 - no parasites in eggs observed or recovered

  • June 29 - 50 eggs collected for parasite recovery

  • July 3 - 17 out of 50 appear to be parasitized

  • July 10 - recovered several adult A. flavipes


Id clb egg parasite anaphes flavipes 2006 observations
ID, CLB Egg Parasite Anaphes flavipes 2006 Observations

June 8 Released 1,200 eggs (83% parasitized) from CDA Palisades


Idaho cereal leaf beetle oulema melanopus project update 2006

Larval Parasite

Tetrastichus julis

ISDA CLB

Biological Control Project

Egg parasite

Anaphes flavipes


Idaho cereal leaf beetle oulema melanopus project update 2006

T. julis larvae recovered

from CLB collected in SW Idaho

June 2002

Mike Cooper, Idaho State Department of Agriculture


Idaho cereal leaf beetle oulema melanopus project update 2006

(3 p/larva)

(4 p/larva)


Idaho cereal leaf beetle oulema melanopus project update 2006

(4 p/larva)

(6 p/larva)


Idaho cereal leaf beetle oulema melanopus project update 2006

(5 p/larva)

(6 p/larva)


Next season 2006
Next Season - 2006

  • Continue CLB egg survey for overwintering A. flavipes

  • Renew effort to release and establish population of A. flavipes

  • Use the U of I Parma fields as T.julis insectary.

  • CLB biocontrol project funding uncertain?