1. ZOO 115 Invertebrate Zoology Phylum Arthropoda Subphylum Hexapoda

2. Subphylum Hexapoda General Characteristics Includes insects and springtails. Three tagma head Thorax Abdomen 3 thoracic segments each with 1 pair of legs 1 pair of antennae 3 sets of jaws gas exchange via tracheae and spiracles Malpighian tubules http://www.cartage.org.lb/en/themes/Sciences/Zoology/Insects/InsectAnatom y/Introduction/Introduction.htm http://basicentomology.ifas.ufl.edu http://www.earthlife.net/insects/anatomy.html

3. Subphylum Hexapoda Taxonomy Class Insecta Class Entognatha (includes springtails) mouthparts hidden - sunk into a depression on the surface of the head. http://www.extension.umn.edu/yardandgarden/YGLNews/images/springtail s-ygl.JPG http://soils.usda.gov/sqi/concepts/soil_biolog y/images/ATLAS227_LR.jpg

4. Class Insecta Have successfully invaded virtually every terrestrial habitat and some marine They are predators, herbivores, scavengers, decomposers and parasites. ~ 1 million sp. 200 million insects/human http://www.bestoday.com.au/billylids/images/insects.jpg

5. http://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Pollination_Bee_Dandelion.JP G/800px-Pollination_Bee_Dandelion.JPG Class Insecta - Importance Agriculture pollination pests pest control Disease vectors Ecology – food webs prey predators decomposers 80% of crops http://pubs.caes.uga.edu/caespubs/pubcd/C835-4.jpg http://www.e-nema.de/en/images/biological02/cyclus.gif http://tiee.ecoed.net/vol/v3/experiments/soil/img/soil_food_web%5BHR%5D.jpg http://www.emmitsburg.net/gardens/articles/frederick/2006/photos/termites_large.jpg

6. Class Insecta – General Morphology Head http://basicentomology.ifas.ufl.edu Biting or chewing Piercing/sucking http://basicentomology.ifas.ufl.edu Sponging http://basicentomology.ifas.ufl.edu Siphon Mouthparts

7. http://basicentomology.ifas.ufl.edu Class Insecta – General Morphology Thorax http://basicentomology.ifas.ufl.edu Running http://basicentomology.ifas.ufl.edu Digging http://basicentomology.ifas.ufl.edu Swimming Raptorial http://basicentomology.ifas.ufl.edu Jumping (saltatorial ) http://basicentomology.ifas.ufl.edu Pollen Collection http://www.biologie.uni-hamburg.de/b-online/ibc99/koning/leg.gif http://basicentomology.ifas.ufl.edu Membranous Hemelytra http://basicentomology.ifas.ufl.edu limbs wings http://basicentomology.ifas.ufl.edu Elytra http://basicentomology.ifas.ufl.edu Halteres

8. http://www.eurekah.com/i mages/chapters/Vigoreau x06Josephson.jpg From Brusca and Brusca Primitive Direct Muscle Attachment Class Insecta - Locomotion http://www.ndsu.nodak.edu/entomology/topics/movement.htm http://z.about.com/d/healing/1/0/0/O/gtotem_dragonfly.jpg Fromn Ruppert, Fox and Barnes. 2004 Indirect Muscle Attachment Advanced http://www.abc.net.au/quantum/stories/m78599.jpg http://www.ndsu.nodak.edu/entomology/topics/movement.htm

9. Class Insecta – General Morphology Abdomen http://basicentomology.ifas.ufl.edu

10. Class Insecta – Internal anatomy Digestive system http://basicentomology.ifas.ufl.edu Apolipophorin III Courtesy of Fabrice David, SIB Geneva

11. Class Insecta – Internal Anatomy Circulatory system http://basicentomology.ifas.ufl.edu http://www.entomology.umn.edu/cues/4015/morpology/