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Termites - PowerPoint PPT Presentation


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Termites. Termites. 45 species of termites in US Only 2 species are native. Termites. Gut symbionts help digest cellulose (wood) Bacteria and protozoans. Termites. Mature queen lays up to 10,000 eggs per week She can live 10 years or more That’s 60 million eggs. Termites and Ants.

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Presentation Transcript
termites1
Termites
  • 45 species of termites in US
    • Only 2 species are native
termites2
Termites
  • Gut symbionts help digest cellulose (wood)
    • Bacteria and protozoans
termites3
Termites
  • Mature queen lays up to 10,000 eggs per week
  • She can live 10 years or more
    • That’s 60 million eggs
termites and ants
Termites and Ants
  • Both swarm same time of year
    • When reproductive take flight
    • Start new colony
termites and ants1
Termites and Ants
  • Ants have constricted “waist”
    • Between thorax and abdomen
termites4
Termites
  • Spread chemical messages through frequent grooming
    • Anal trophallaxis
      • Fluids exchange anus to mouth
  • Also transfers gut symbionts through colony
caste system
Caste System
  • Reproductive Castes
    • Produce a queen
caste system1
Caste System
  • Worker Caste
    • Food, grooming
caste system2
Caste System
  • Soldier Caste
    • Enlarged mandibles
moisture
Moisture
  • Carry moist soil above ground
    • Mud tubes
  • Keep termites moist
moisture1
Moisture
  • Cemented with saliva and fecal matter
    • Mud left behind in wood
moisture2
Moisture
  • Leaky pipes
  • Wet areas
  • Shrubs against house
slide14
Food
  • Radial paths spreading from colony in search of food
    • Spokes on wheel
  • Can’t find food, likely bump into it
slide15
Food
  • Cellulose is food source
    • Untreated wood
      • Trees, stumps, firewood,
  • Attracted to partially decomposed wood
slide16
Food
  • Eat softer spring wood in growth rings
    • Leave harder summer wood
  • Only eat 20% of total wood
    • Lattice symptom
slide17
Food
  • Mud left in tunnels
  • Carpenter ants leave clean tunnels
inspection
Inspection
  • Shed wings or dead swarmer termites
    • Window sills
  • Mud tubes
  • Tiny holes in baseboards
    • Hollow thump
prevention
Prevention
  • Eliminate wood to ground contact
      • 90% of infestations
    • Firewood away from house
  • Untreated wood 6” above ground
    • Use treated wood for ground contact
control
Control

Termiticide Treatments

  • Chemical barrier around house
    • Trenching and rodding
  • Slabs are drilled and injected
control1
Control

Bait Stations

  • A non-lethal food source around house
    • Stations every 10’ to 15’
    • 12” to 18” from house
  • Frequently monitored
control2
Control

Bait Stations

  • If termites are present, non-lethal food source replaced with poison bait
  • Slow-acting poison taken back to colony
prevention1
Prevention
  • Keep vegetation and mulch away from house
  • Mulch serves as a moisture conduit
    • Mulch not a food source
    • Even pea gravel
prevention2
Prevention
  • Gutters and downspouts away from house