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INSECTMORPHOLOGY &
ANATOMY
Dr. Anita Sharma Assistant
Professor (Entomology)
Lecture -4 INSECT INTEGUMENT
• Integument is c/ as Insect body wall or Exoskeleton.
• It is ectodermal in origin.
• Sclerotisation -Hard and dark
• Provides lining for tracheal system, some glands, parts of alimentary
canal & reproductive tract
• Cuticle not only covers the entire insect body from outside, but also the
foregut and the hindgut (ectodermal in origin) and the
tracheae.
• Insect cuticle can be further differentiated into two major parts, the non-
chitinous epicuticle and the chitinous procuticle.
• Constituents of cuticle :Chitin, Lipids & Polyphenols
Body wall Or Integument
- - - Insect integument consists of three distinct layers
Epidermis
Basement
membrane

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basic entomogy, insect anatomy, morphology

  • 1. INSECTMORPHOLOGY & ANATOMY Dr. Anita Sharma Assistant Professor (Entomology)
  • 2. Lecture -4 INSECT INTEGUMENT • Integument is c/ as Insect body wall or Exoskeleton. • It is ectodermal in origin. • Sclerotisation -Hard and dark • Provides lining for tracheal system, some glands, parts of alimentary canal & reproductive tract • Cuticle not only covers the entire insect body from outside, but also the foregut and the hindgut (ectodermal in origin) and the tracheae. • Insect cuticle can be further differentiated into two major parts, the non- chitinous epicuticle and the chitinous procuticle. • Constituents of cuticle :Chitin, Lipids & Polyphenols
  • 3. Body wall Or Integument - - - Insect integument consists of three distinct layers Epidermis Basement membrane