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 Light Brown Apple Moth

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 Light Brown Apple Moth Information
Light Brown Apple Moth

Light brown apple moth (LBAM) is an exotic pest that has recently been discovered in portions of the San Francisco Bay Area and Los Angeles. LBAM is a native pest to Australia and has been introduced into New Zealand, New Caledonia, Hawaii, the United Kingdom and Ireland. This moth can affect a wide variety of plants, flowers, fruits and vegetables, for a full host list and pest description, click here. For information about LBAM and its Impact on You, click here to see a full color brochure. There are ways that you can help prevent the spread of LBAM, to learn How You Can Help, click here for a full color brochure.

To prevent the spread of LBAM, do not remove plant materials from your home. Please dispose of green waste in an approved green waste bin provided by your county. Prior to moving green waste off your property contact your County Agriculture Commissioner for approved green waste disposal sites, click here for a list of California counties linked to their respective agriculture commissioner.





Mating disruption using synthetic moth pheromones is the primary tool for the current eradication efforts against LBAM. This material confuses the male moths and prevents them from finding females, thereby stopping the mating and reproduction process. Mating disruption products may be applied either by ground or by air, depending upon the size of the infestation. Application of the organic insecticide Bacillus thuringiensis (Bt) in limited areas by ground may also be used in situations where the LBAM population is high, in order to enhance the effectiveness of the mating disruption materials.

  • What are CheckMate OLR-F and CheckMate LBAM-F? (PDF)
    en Español: ¿Qué es CheckMate®OLR-F y CheckMate®LBAM-F? (PDF)
  • What Are “Isomate LBAM Plus” Pheromone Twist Ties? (PDF)
  • What is Bt? (PDF file, 100 KB)



    Alameda - Fremont
    Alameda - Hayward
    Alameda - Dublin
    Alameda/Contra Costa
    Contra Costa - Danville
    Contra Costa - Oakley
    Los Angeles - Sherman Oaks
    Marin - Novato
    Marin - San Rafael
    Marin/San Francisco/San Mateo
    Monterey - Greenfield
    Monterey - Santa Cruz
    San Mateo - Belmont
    San Mateo - Half Moon Bay
    San Mateo - Millbrae
    Santa Clara/San Mateo
    Santa Clara - Cupertino
    Santa Clara - San Jose
    Solano - Vallejo

    Quarantine Areas Required by Canada


      - CDFA - 8/14/2007 Aerial Release of Light Brown Apple Moth Pheremone Scheduled in Effort to Eradicate Infestation in Northern Monterey County
      - CDFA - 8/10/2007 USDA Provides $15 Million For Fight Against Light Brown Apple Moth
      - CDFA - 7/25/2007  Pheromone “Twist Ties” To Aid In Eradication Of Light Brown Apple Moth
      - CDFA - 7/9/2007  Light Brown Apple Moths Detected in Solano, Los Angeles Counties
      - CDFA - 6/6/2007  Light Brown Apple Moth Treatments Scheduled for Oakley
      - CDFA - 6/4/2007  Light Brown Apple Moth Treatments Scheduled for Napa
      - CDFA - 5/16/2007  Light Brown Apple Moth Detected in Napa
      - USDA - 5/2/2007 USDA Issues Federal Order To Halt Spread Of Light Brown Apple Moth
      - CDFA - 4/20/2007 Quarantine In Place For Light Brown Apple Moth
      - CDFA - 4/13/2007 Santa Clara County Infested with Light Brown Apple Moth
      - CDFA - 4/2/2007 San Francisco, Marin Counties Infested with Light Brown Apple Moth
      - CDFA - 3/28/2007 CDFA Sets Interim Regulatory Action for Light Brown Apple Moth Infestation in East Bay
      - CDFA - 3/22/2007  Light Brown Apple Moth Detected in East Bay
      - USDA - 3/22/2007 USDA Confirms Light Brown Apple Moth
      - CACASA - 3/22/2007 County Agricultural Commissioners

    This site will be updated as new information becomes available.

    Send an email to: CDFA Pest Detection and Emergency Projects

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