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

2. Hexapoda features

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

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

5. Incomplete metamorphosis

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

7. Odonata: mating

8. Order Ephemeroptera: mayflies
Images: Xerces Society

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

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

11. Order Orthoptera
Suborder Caelifera
Suborder Ensifera

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

13. Order Hemiptera

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

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

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

17. Order Hemiptera: cotton stainer

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

19. Complete metamorphosis

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

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

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

23. Order Neuroptera
Snakefly (Photos: Peter Bryant)

24. Order Diptera: flies!

25. Order Triichoptera: caddisflies

26. Order Triichoptera: caddisflies

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

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

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

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

31. Order Hymenoptera
Wings held together by hamuli