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Wood Destroying Inspect (WDI) Course

To provide a concise introduction to the identification, inspection, and basic control methods of wood-destroying insects commonly found in residential and commercial properties.

COURSE DURATION: 45 DAYS

Disclaimer:
While most states require only some form of formal education to perform Wood Destroying Insect (WDI) inspections, we do not know or claim that this course meets the requirements for all states. It is the student’s responsibility to check with their state’s licensing or regulatory authority to confirm whether this course is approved or meets any applicable requirements before enrolling or relying on it for professional purposes. We are not responsible for determining individual state requirements.

  • Course Content - Modules:

    Inspecting for Wood Destroying Insects (Introduction)

    • Inspecting for Wood Destroying Insects

    Module 1: Introduction to Wood Destroying Insects (WDI)

    • Module 1: Introduction
    • Lesson 1 - Importance of WDI Inspections
    • Lesson 2 - General Structure of Insects
    • Lesson 3 - Growth & Development
    • Lesson 4 - Overview of the most common Wood Destroying Insects (WDI)
    • Wood Destroying Insects - Module Quiz 1 [quiz]

    Module 2: WDI Biology and Identification

    • Lesson 1 - Common Wood Destroying Insects (WDI)
    • Lesson 2 - Subterranean termites
    • Lesson 3 - Termite Castes
    • Lesson 4 - Workers
    • Lesson 5 - Soldier
    • Lesson 6 - Reproductive Caste
    • Lesson 7 - Queen & King
    • Lesson 8 - Characteristics of Wood Damaged by Subterranean Termites
    • Lesson 9 - Carpenter Ants
    • Lesson 10 - Powderpost Beetles
    • Lesson 11 - Old house borers
    • Lesson 12 - Carpenter bees
    • Lesson 13 - Other Common Species
    • Wood Destroying Insects - Module Quiz 2 [quiz]

    Module 3: Life Cycles and Habits of WDI

    • Lesson 1 – Egg Deposition
    • Lesson 2 - Larval Consumption
    • Lesson 3 – Pupal Stage
    • Lesson 4 - Colony formation
    • Lesson 5 - Attraction to Moisture
    • Wood Destroying Insects - Module Quiz 3 [quiz]

    Module 4: Inspecting Structures for WDI

    • Lesson 1 – Scope of the Inspection
    • Lesson 2 – Inspecting the Exterior of the Structure
    • Lesson 3 - Inspecting the Interior of the Structure
    • Lesson 4 - Inspecting Accessible and Inaccessible Areas
    • Wood Destroying Insects - Module Quiz 4 [quiz]

    Module 5: Identification Tools & Methods

    • Lesson 1 – Using a Moisture Meter to conduct a WDI Inspection
    • Lesson 2 – Using a Boroscope to conduct a WDI Inspection
    • Lesson 3 – Using Infrared Camera to Conduct a WDI Inspection
    • Lesson 4 – Using a Magnifying Glass to Conduct a WDI Inspection
    • Lesson 5 – Visual Inspection
    • Lesson 6 – Probing
    • Lesson 7 – Flashlight Technique
    • Wood Destroying Insects - Module Quiz 5 [quiz]

    Module 6: Report Writing

    • Lesson 1 – Importance of Accurate Reporting
    • Lesson 2 - Report Format and Content
    • Lesson 3 - WDI Report Language and Terminology
    • Lesson 4 - Legal and Ethical Considerations
    • Lesson 5 - NPMA – 33 Form
    • Wood Destroying Insects - Module Quiz 6 [quiz]

    Module 7: WDI Treatment Methods

    • Lesson 1 - Chemical Treatments
    • Lesson 2 - Physical Treatments
    • Lesson 3 - Environmental Management
    • Lesson 4 - Integrated Pest Management
    • Wood Destroying Insects - Module Quiz 7 [quiz]

    Module 8: Professional Competence and Growth for WDI Inspectors

    • Lesson 1 - WDI Certification and Licensure
    • Lesson 2 - Ethics and Standards of Practice for WDI Inspectors
    • Lesson 3 – Conflict Resolution and Customer Service
    • Lesson 4 - Professional Development and Continuing Education
    • Final Exam: WDI Final Exam [quiz]