zoo 115 invertebrate zoology phylum arthropoda subphylum hexapoda
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ZOO 115 Invertebrate Zoology
Phylum Arthropoda
Subphylum Hexapoda
Subphylum HexapodaGeneral 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/InsectAnatomy/Introduction/Introduction.htm
http://basicentomology.ifas.ufl.eduhttp://basicentomology.ifas.ufl.edu
http://www.earthlife.net/insects/anatomy.html
Subphylum HexapodaTaxonomy
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/springtails-ygl.JPG http://soils.usda.gov/sqi/concepts/
soil_biology/images/ATLAS227_LR.jpg
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
http://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Pollination_Bee_Dandelion.JPG/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.gifhttp://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
Class Insecta – General Morphology
Head
http://basicentomology.ifas.ufl.edu
http://basicentomology.ifas.ufl.edu
Biting or chewingPiercing/sucking
http://basicentomology.ifas.ufl.eduhttp://basicentomology.ifas.ufl.edu
Sponging
http://basicentomology.ifas.ufl.edu
Siphon Mouthparts
http://basicentomology.ifas.ufl.edu
Class Insecta – General Morphology
Thorax
http://basicentomology.ifas.ufl.eduhttp://basicentomology.ifas.ufl.edu
Running
http://basicentomology.ifas.ufl.edu
Digging
http://basicentomology.ifas.ufl.edu
SwimmingRaptorial
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.gifhttp://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
http://www.eurekah.com/images/chapters/Vigoreaux06Josephson.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.jpghttp://www.ndsu.nodak.edu/entomology/topics/movement.htm
Class Insecta – General Morphology
Abdomen
http://basicentomology.ifas.ufl.edu
http://basicentomology.ifas.ufl.edu
http://basicentomology.ifas.ufl.edu
Class Insecta – Internal anatomy
Digestive system
http://basicentomology.ifas.ufl.edu
Apolipophorin IIICourtesy of Fabrice David, SIB Geneva
Class Insecta – Internal Anatomy
Circulatory system
http://basicentomology.ifas.ufl.edu
http://www.entomology.umn.edu/cues/4015/morpology/
http://www.entomology.umn.edu/cues/4015/morpology/
http://www.entomology.umn.edu/cues/4015/morpology/
http://www.entomology.umn.edu/cues/4015/morpology/
http://www.entomology.umn.edu/cues/4015/morpology/