VPA 221: Veterinary Entomology and Acarology (1+1)

Respiration

RESPIRATION - ARTHROPODS

• Through skin in areas where exoskeleton remained thin and permeable - exchange of gases takes place. e.g. parasitic mites
• Through Gills
  • Portions of body modified to form gills. e.g. Aquatic larvae of mosquitoes
• Through organs developed which can take air into interior of body
  • Air breathing organs  include
    • Lung books e.g. Scorpions /spiders/Crabs
    • Trachea e.g. Ticks, insects
    • Tracheal lungs e.g. larvae of Hypoderma
    • Tracheal system has large thin walled dilations- air sacs e.g. Lucilia