Invertebrate ZoologyInvertebrate Zoology

Lecture 19: Phylum Arthropoda, Part 3Lecture 19: Phylum Arthropoda, Part 3

Subphylum Hexapoda!Subphylum Hexapoda!

Hexapoda featuresHexapoda features

Order Thysaneura:Order Thysaneura:silverfishsilverfish

Ectognathous apterygotesEctognathous apterygotes

Photo: Jeffrey Hahn, 2006, University of Minnesota

Paleopterous exopterygotesPaleopterous exopterygotes

Paleopterous: wings cannot fold over Paleopterous: wings cannot fold over abdomenabdomen

Exopterygotes: Incomplete Exopterygotes: Incomplete metamorphosismetamorphosis Wings develop on outsideWings develop on outside More adult-like with each moltMore adult-like with each molt No pupal formNo pupal form

Incomplete metamorphosisIncomplete metamorphosis

Order OdonataOrder Odonata

Order Anisoptera: Dragonflies

Order Zygoptera: damselflies

Odonata: matingOdonata: mating

Order Ephemeroptera: mayfliesOrder Ephemeroptera: mayflies

Images: Xerces Society

Neopterous exopterygotesNeopterous exopterygotes

Neopterous: wings can fold over Neopterous: wings can fold over abdomenabdomen

Exopterygotes: Still with incomplete Exopterygotes: Still with incomplete metamorphosis metamorphosis

Order Plecoptera: stonefliesOrder Plecoptera: stoneflies

Image: Xerces Society

Neopterous exopterygotesNeopterous exopterygotes

Order OrthopteraOrder Orthoptera

Suborder Caelifera

Suborder Ensifera

TympaniTympani CaeliferaCaelifera

Photo: Biodidac (Houseman)Photo: Biodidac (Houseman) EnsiferaEnsifera

Visions unlimitedVisions unlimited

Order HemipteraOrder Hemiptera

Order Hemiptera: Order Hemiptera: Suborder GeocorisaeSuborder Geocorisae

Boxelder bugPhoto: Peter Bryant

Order Hemiptera: Order Hemiptera: Suborder HydrocorisaeSuborder Hydrocorisae

Giant water bugPhoto: Bruce Mancot

Backswimmer

Order Hemiptera: Order Hemiptera: Suborder AmphicorisaeSuborder Amphicorisae

Water strider: Cirrius Images

Order Hemiptera: Order Hemiptera: cotton stainercotton stainer

Neopterous endopterygotesNeopterous endopterygotes

Neopterous: wings can fold over Neopterous: wings can fold over abdomenabdomen

Endopterygotes: Complete Endopterygotes: Complete metamorphosis metamorphosis

Complete metamorphosisComplete metamorphosis

Order ColeopteraOrder ColeopteraFamily Curculionidae: weevilsFamily Curculionidae: weevils

Photo: Evans and Bellamy, “An Inordinate Fondness for Beetles”

Order ColeopteraOrder ColeopteraFamily Buprestidae: jewel beetlesFamily Buprestidae: jewel beetles

Photo: Evans and Bellamy, “An Inordinate Fondness for Beetles”

Order ColeopteraOrder ColeopteraFamily Carabidae: ground beetlesFamily Carabidae: ground beetles

Photo: Evans and Bellamy, “An Inordinate Fondness for Beetles”

Order NeuropteraOrder Neuroptera

Snakefly Snakefly (Photos: Peter Bryant)(Photos: Peter Bryant)

Order Diptera: flies!Order Diptera: flies!

http://www.sccs.swarthmore.edu/users/03/cweiss/bugs/glossary.html

Order Triichoptera: caddisfliesOrder Triichoptera: caddisflies

Order Triichoptera: caddisfliesOrder Triichoptera: caddisflies

Order LepidopteraOrder Lepidoptera

Suborder RhopaloceraButterflies and skippers

(Western tiger swallowtail)

Suborder HeteroceraMoths

(Mendocina Satrunia moth)

Order LepidopteraOrder Lepidoptera

Hair-pencilPhoto: www.monarchwatch.org

Androconia (monarch)naturenorth.com

Order LepidopteraOrder Lepidoptera

Fender’s blue butterfly on Kincaid’s lupinePhoto: Cheryl Schulz

Oregon silverspot butterflyPhoto: ODFW

Order HymenopteraOrder Hymenoptera

Suborder Symphyta (a horntail)Photo: Integrated Pest Management: Alaska

Suborder Apocrita

Order HymenopteraOrder Hymenoptera

Wings held together by hamuliWings held together by hamuli