1. (arthro = joint) + (poda = leg)

2. Phylum Arthropoda  Bilaterally symmetrical, triploblastic  Tagmatization  Paired, jointed appendages  Compound eyes  Open circulatory system  Ventral nervous system  Metamorphosis  Complete digestive tract – mouth  anus  Chitinous exoskeleton  Ecdysis

3. Classification Arthropoda Trilobitomorpha Chelicerata Crustacea Myriapoda Hexapoda

4. Subphylum Trilobitomorpha  All marine, all extinct  Body divided into 3 longitudinal lobes  Body divided into three tagmata Head – feeding & sensory Thorax – locomotion Abdomen – visceral organs One pair of antennae Biramous appendages

5. Trilobite

6. Chelicerata Classification Arthropoda Trilobitomorpha Chelicerata Merostomata Arachnida Pycnogonida Crustacea Myriapoda Hexapoda

7. Subphylum Chelicerata  Marine and terrestrial  Body divided into two tagmata Prosoma (cephalothorax) Opisthosoma (abdomen)  Various appendages Chelicerae – feeding Pedipalps – sensory 4 pairs of legs

8. Class Merostomata

9. Class Arachnida

10. Class Pycnogonida

11. Crustacea Classification Arthropoda Trilobitomorpha Chelicerata Crustacea Branchiopoda Malacostraca Maxillopoda Myriapoda Hexapoda

12. Subphylum Crustacea  Marine, freshwater and terrestrial  Body divided into three tagmata Head Thorax Abdomen  Two pairs of antennae  5 pairs of head appendages 1 pair of mandibles – chewing & grinding 2 pairs of maxillae – grabbing sometimes combined into cephalothorax

13. Class Branchiopoda

14. Class Malacostraca

15. Class Maxillopoda

16. Subclass Myriapoda  Chilopoda – lip foot  Diplopoda – double foot

17. Centipede vs. Tarantula

18. Millipede in Apopka

19. Subphylum Hexapoda  Largest subphylum  Terrestrial, freshwater, marine  Body divided into three tagmata Head Thorax Abdomen  one pair of antennae  5 pairs of head appendages 1 pair of mandibles – chewing & grinding 2 pairs of maxillae – grabbing & sucking 1 pair of labium – sensory lower lip 1 pair of clypolabrum – sensory upper lip

20. Hexapoda Classification  2 classes Entognatha Insecta

21. Entognatha Collembola - springtails

22. Insecta  3 subclasses, one with wings – Pterogota  Pterogota - consisting of two infraclasses based on wing placement at rest Palaeoptera – wings held out from the body at rest Neoptera – wings folded at rest

23. Palaeoptera  Ephemeroptera – mayflies  Odonata – dragonflies & damselflies

24. Neoptera  17 orders  Wings folded over back at rest  Venation reduced

25. Mantodea praying mantis

26. Blattodea cockroaches

27. Isoptera termites Cause millions of $$ in damage worldwide

28. African Termites

29. Dermaptera earwigs

30. Orthoptera grasshoppers, locusts, katydids & crickets

31. Phasmida walking sticks & leaf insects

32. Phthiraptera lice

33. Hemiptera true bugs

34. Coleoptera beetles

35. Lepidoptera butterflies & moths

36. Diptera flies

37. Siphonoptera fleas

38. Hymenoptera bees, wasps, ants

39. Bee Communication

40. Metamorphosis  Ametabolous – no change from nymph to adult  Hemimetabolous – changes from wingless nymph  winged imago  Holometabolous – changes from wingless larva  pupa  winged imago

41. Holometabolous

42. Hemimetabolous