arthropod phylogeny subphylum hexapoda

1. Invertebrate Zoology
Invertebrate Zoology
Lecture 19: Phylum Arthropoda, Part 3
Lecture 19: Phylum Arthropoda, Part 3
Subphylum Hexapoda!
Subphylum Hexapoda!

2. Hexapoda features
Hexapoda features

3. Order Thysaneura:
Order Thysaneura:
silverfish
silverfish
 Ectognathous apterygotes
Ectognathous apterygotes
Photo: Jeffrey Hahn, 2006, University of Minnesota

4. Paleopterous exopterygotes
Paleopterous exopterygotes
 Paleopterous: wings cannot fold over
Paleopterous: wings cannot fold over
abdomen
abdomen
 Exopterygotes: Incomplete
Exopterygotes: Incomplete
metamorphosis
metamorphosis
 Wings develop on outside
Wings develop on outside
 More adult-like with each molt
More adult-like with each molt
 No pupal form
No pupal form

5. Incomplete metamorphosis
Incomplete metamorphosis

6. Order Odonata
Order Odonata
Order Anisoptera: Dragonflies
Order Zygoptera: damselflies

7. Odonata: mating
Odonata: mating

8. Order Ephemeroptera: mayflies
Order Ephemeroptera: mayflies
Images: Xerces
Society

9. Neopterous exopterygotes
Neopterous exopterygotes
 Neopterous: wings can fold over
Neopterous: wings can fold over
abdomen
abdomen
 Exopterygotes: Still with incomplete
Exopterygotes: Still with incomplete
metamorphosis
metamorphosis

10. Order Plecoptera: stoneflies
Order Plecoptera: stoneflies
Image: Xerces Society
 Neopterous exopterygotes
Neopterous exopterygotes

11. Order Orthoptera
Order Orthoptera
Suborder Caelifera
Suborder Ensifera

12. Tympani
Tympani
 Caelifera
Caelifera
 Photo: Biodidac (Houseman)
Photo: Biodidac (Houseman)
 Ensifera
Ensifera
 Visions unlimited
Visions unlimited

13. Order Hemiptera
Order Hemiptera

14. Order Hemiptera:
Order Hemiptera:
Suborder Geocorisae
Suborder Geocorisae
Boxelder bug
Photo: Peter Bryant

15. Order Hemiptera:
Order Hemiptera:
Suborder Hydrocorisae
Suborder Hydrocorisae
Giant water bug
Photo: Bruce Mancot
Backswimmer

16. Order Hemiptera:
Order Hemiptera:
Suborder Amphicorisae
Suborder Amphicorisae
Water strider: Cirrius Images

17. Order Hemiptera:
Order Hemiptera:
cotton stainer
cotton stainer

18. Neopterous endopterygotes
Neopterous endopterygotes
 Neopterous: wings can fold over
Neopterous: wings can fold over
abdomen
abdomen
 Endopterygotes: Complete
Endopterygotes: Complete
metamorphosis
metamorphosis

19. Complete metamorphosis
Complete metamorphosis

20. Order Coleoptera
Order Coleoptera
Family Curculionidae: weevils
Family Curculionidae: weevils
Photo: Evans and Bellamy, “An Inordinate Fondness for Beetles”

21. Order Coleoptera
Order Coleoptera
Family Buprestidae: jewel beetles
Family Buprestidae: jewel beetles
Photo: Evans and Bellamy, “An Inordinate Fondness for Beetles”

22. Order Coleoptera
Order Coleoptera
Family Carabidae: ground beetles
Family Carabidae: ground beetles
Photo: Evans and Bellamy, “An Inordinate Fondness for Beetles”

23. Order Neuroptera
Order Neuroptera
 Snakefly
Snakefly (Photos: Peter Bryant)
(Photos: Peter Bryant)

24. Order Diptera: flies!
Order Diptera: flies!
http://www.sccs.swarthmore.edu/users/03/cweiss/bugs/glossary.html

25. Order Triichoptera: caddisflies
Order Triichoptera: caddisflies

26. Order Triichoptera: caddisflies
Order Triichoptera: caddisflies

27. Order Lepidoptera
Order Lepidoptera
Suborder Rhopalocera
Butterflies and skippers
(Western tiger swallowtail)
Suborder Heterocera
Moths
(Mendocina Satrunia moth)

28. Order Lepidoptera
Order Lepidoptera
Hair-pencil
Photo: www.monarchwatch.org
Androconia (monarch)
naturenorth.com

29. Order Lepidoptera
Order Lepidoptera
Fender’s blue butterfly on Kincaid’s lupine
Photo: Cheryl Schulz
Oregon silverspot butterfly
Photo: ODFW

30. Order Hymenoptera
Order Hymenoptera
Suborder Symphyta (a horntail)
Photo: Integrated Pest Management: Alaska
Suborder Apocrita

31. Order Hymenoptera
Order Hymenoptera
 Wings held together by hamuli
Wings held together by hamuli