Table of Contents:
  • The world of insects
  • External features of insects
  • structure and function
  • The major divisions of the Insecta
  • Subclass Apterygota
  • Subclass Pterygota, division Exopterygota, Palaeopteran orders
  • Subclass Pterygota, division Exopterygota, Orthopteroid orders
  • Subclass Pterygota, division Exopterygota, Hemipteroid orders
  • Subclass Pterygota, division Endopterygota, lesser orders
  • Subclass Pterygota, division Endopterygota, order Lepidoptera (butterflies and moths
  • Subclass Pterygota, division Endopterygota, order Diptera (true flies)
  • Subclass Pterygota, division Endopterygota, order Hymenoptera (sawflies, ants, bees and wasps)
  • Subclass Pterygota, division Endopterygota, order Coleoptera (beetles)
  • Class Arachnida.