Category:Arachnida

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Classification

Arthropod Classification - copyright nabrown RVC

Deer tick - Wikimedia Commons

Structure and Function

• Only two body divisions
  • Cephalo-thorax
  • Abdomen

• Three pairs of legs in the larval stages or four pairs of legs during the nymphal and adult stages

• No wings

• No antennae

• No compound eyes

• Small size
  • E.g. Ticks are under 1cm in length
  • E.g. Mites are under 1mm in length

Life cycles

• The larva (also called seed tick) develops from the egg

• The nymphal stage follows the larval stage

• The nymph then develops into an adult (i.e. sexually mature)

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