11/6/2017

Subphylum Mandibulata

Class Insecta (Superclass Hexapoda)

Some Insect Features

  • Most diverse animal group
  • Most abundant (especially ants and termites)
  • In tropical rainforests, insects can constitute 40% of the total animal biomass
  • Reproduce rapidly, short lifecycles
  • Metamorphosis- Can exploit different resources at different stages
    • hemimetabolous (nymphs, adults)
    • holometabolous (larvae, pupae, adults)
  • Important as pollinators
  • Co-evolution with flowering plants
  • Transmitters of major world diseases
  • Major agricultural pests
  • Eusociality in some groups
  • Important in food chains
  • Can fly!