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Asian longhorned beetle
 

Asian longhorned beetle

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    Asian longhorned beetle Asian longhorned beetle Presentation Transcript

    • Asian Longhorned beetle(Anoplophoraglabripennis)
    • Life Cycle
      In its native range, this insect may have a one or two year life cycle
      Females chew egg-laying sites where a single egg is laid.
      Eggs laid in June or July follow a one-year cycle for the emergence of a mature adult. Eggs laid in September or October follow the two-year cycle of maturation
      Eggs hatch in one to two weeks and larvae begin aggressive feeding in the cambium and phloem
      As they mature, the larvae burrow deeper within the tree to the inner wood where they continue feeding until pupation occurs.
      Pupation begins late April or early May and newly formed adults remain in their pupal chambers for several days.
      Adult beetles begin to emerge in May
      Mating begins two or three days after emergence, with females mating multiple times. Females live an average of 40 days are capable of laying up to 80 eggs during this period.
    • LIFE CYCLE
    • Physical characteristics
      Adult Asian Longhorned beetles are very large insects with bodies ranging from 1 to 1.5 inches in length and antennae which can be as long as four inches and have 6 legs
      They are shiny black with about 20 white spots on each wing cover and long antennae which are black and white.
      These beetles can fly, but generally only for short distances
      The upper sections of the legs of the adults are whitish-blue
      Asian Long-Horned Beetles require between one and three years to reach maturity.
      The adult lifespan is about 50 days for males and 66 days for females.
    • How do the physical characteristics and life cycle benefit its habitat.
      There are currently NO documented benefits of this species
      Once the Asian Longhorned Beetle dies, the dead wood they leave behind contributes to the natural recycling process
      it becomes potential wood sources for other organisms and contributes to soil creation and enrichment
    • Asian Longhorned beetles native habitat
      Areas where host trees are available
      particularly where maples, elms, and ash are in abundance
      known Asian Longhorned Beetle infestations have occurred in urban areas
      The Asian Longhorned Beetle's native range includes China and Korea.
      Accidental introductions expanded the range to include the United States, Canada, and Austria
      Asian Longhorned Beetles are believed to have been introduced into the United States from wood pallets and other wood packing material accompanying cargo shipments from Asia
    • Where Asian Longhorned Beetles located in Canada
      On September 18, 2003 it was discovered in Canada
      It was found in Toronto, ON, Vaughan, and Woodbridge
      Mostly found on Steeles Avenue in Vaughans
    • Environmental/Social impacts
      Asian Longhorned Beetle that infests trees which eventually means they are killing the trees and they have to be cut down
      This leads the community to plant new trees which will take many years to grow
      Loss of tree’s decrease property values causing aesthetic damage and lessen environmental benefits
      If Asian Longhorned Beetle spreads from current urban environments to natural forests, it has the potential to seriously alter the ecological diversity of natural forest in North America
      Threat to lumber, nursery, and tourism industries with the potential impact of more than 41 million dollars in damage
    • Economical impacts
      The primary impact of Asian Longhorned Beetle has been on street trees in several infected sites.
      These trees require removal, treatment to destroy all life stages present ,and replacement, at a cost of several hundred dollars per infestation.
      If this pest enters a forest ecosystem, the economic impact could be far greater than destroying it completely
      containment costs could impact export markets for various hardwood products such as veneers (thin layers of wood)
    • Two control measures to manage their population size
      the two of four control measures I am going to state are suppression and eradication program
      suppression uses various control methods to reduce not eliminate Asian Longhorned Beetle
      these methods could include physical and cultural methods
      a suppression program would last for an undetermined period of time
      Eradication means it would separate the infested area and regulate it
      This would use tree removal and tree destruction to reduce the undetectable levels
      If there are a lot of Asian Longhorned Beetles then they would expand the process
    • References
      http://www.mnr.gov.on.ca/en/Business/Forests/2ColumnSubPage/STEL02_166979.html
      http://en.wikipedia.org/wiki/Asian_long-horned_beetle#Physical_description
      http://www.aphis.usda.gov/plant_health/plant_pest_info/asian_lhb/background.shtml
      http://www.ont-woodlot-assoc.org/sw_asianlonghorn.html
      http://cisr.ucr.edu/asian_beetle.html
      http://www.aphis.usda.gov/plant_health/ea/downloads/chialbea.pdf