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Successful Identification and Treatments of Formosan Infestations

Successful Identification and Treatments of Formosan Infestations. Paul Mitola Environmental Specialist III. Identification. Eastern Subterranean Reproductive . Formosan Subterranean Reproductive . Note: hairs on the wings . Identification.

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Successful Identification and Treatments of Formosan Infestations

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  1. Successful Identification and Treatments of Formosan Infestations Paul Mitola Environmental Specialist III

  2. Identification Eastern Subterranean Reproductive Formosan Subterranean Reproductive Note: hairs on the wings

  3. Identification Soldiers left Eastern, right Formosan Note the head capsule: left Eastern - rectangle shape, right Formosan - teardrop shape

  4. Identification - Alates (winged reproductive termites – “Swarmers”) Easterns exiting crack in floor Formosans on window sill

  5. Subterranean - Mud Shelter Tubes Both Eastern and Formosan Subterranean termites make these.

  6. Control Methods that Work • 1st line of defense - Pre-Construction Treatments • Liquid soil applications • Borate treatments • Baiting systems • Combination treatments • Barrier components

  7. Pre-construction soil treatments

  8. Borate Treatments

  9. Bait Station Treatments Sentricontremite baiting stations, placed no more than 20‘ apart around the structure

  10. Other non-traditional methods • Termimesh – Stainless steel screen mesh • Impass – Chemically treated membrane • Particle size barriers

  11. Termimesh • Marine grade T-3 16 stainless steel • Mesh aperture: 0.66X0.45 mm • In Gulfport tests since 1993. No failures.

  12. IMPASSE – The Product • Outer Layers… • allow heat sealing • provide construction grade strength • provide UV protection • “lock in” insecticide • - no insecticide included Concrete slab Outer layer AI layercontains insecticide lambda-cyhalothrin Outer layer Graded building site Product Thickness:~16 mil.

  13. IMPASSE Installation[site prepared for concrete pour]

  14. Particle Size Barriers • How it works: true for all particle size barriers Also, particles should not crush under weight of structure.

  15. Post-construction Treatments • Liquid soil treatments utilizing either repellant or non-repellant termiticides. • Repellant termiticides require that the application have no gaps to allow access • Non-repellant termiticides are more forgiving with their applications and require less product to be applied with very good results • Baiting systems are allowed

  16. Treatments • The treatments listed here are being used either by themselves (stand alone) or in combination with other treatments

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