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Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
Lifecycles And Internal Anatomy Hummel
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Lifecycles And Internal Anatomy Hummel

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Dr. Natalie Hummel, LSU AgCenter Department of Entomology …

Dr. Natalie Hummel, LSU AgCenter Department of Entomology

* Lifecycles
* Insect internal anatomy.

Published in: Technology, Health & Medicine
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  • Hormone: An organic chemical Produced in epithelial or neuroendocrine gland Released in low concentrations Acts remotely from site of production Chemical mediator (hormone vs. pheromone)
  • http://bugs.bio.usyd.edu.au/learning/resources/Entomology/images/Topics/intAnatomy/femaleReproSystem.gif
  • Transcript

    • 1.   Lifecycles Insect Internal Anatomy Dr. Natalie Hummel, LSU AgCenter Department of Entomology E-mail: [email_address] 9:45 to 10:15
    • 2. Hemi-metabolous Hemi = partial -metabolous = change Incomplete development Larva looks similar to adult Egg Nymph Adult
    • 3.  
    • 4. Chinch Bug J. Saichuk Aphids – a variation on this… Amorochrous dubius Rice Stink Bug J. Saichuk
    • 5.  
    • 6.  
    • 7.  
    • 8. Holo-metabolous Holo = complete -metabolous = change Complete development Larva looks different from adult Rice Water Weevil Egg Larva Adult Pupa
    • 9.  
    • 10. Colaspis Rice water weevil J. Saichuk J. Saichuk SARM Skippers J. Saichuk J. Saichuk J. Saichuk Fall Armyworm Rice Leafminer J. Saichuk J. Saichuk Rice Levee Bill Bug Rice Seed Midge J. Saichuk
    • 11. J. Saichuk J. Saichuk
    • 12. R. Riggio
    • 13. R. Riggio Feeding site Head
    • 14. J. Saichuk J. Saichuk Puparia
    • 15.  
    • 16.  
    • 17. A. Meszaros
    • 18. J. Saichuk
    • 19. Internal Anatomy
    • 20. The Nervous System Allows the insect to interact with the environment Figure source Peng, UC Dacvis
    • 21. The Brain
      • Processes information
      • Protocerebrum
        • Vision
      • Deutocerebrum
        • Olfaction
      • Tritocerebrum
        • Feeding
      Figure source Chapman, 1998
    • 22. How do Insects Sense the Environment? Tarsal receptors are activated Action potential occurs Message is sent to brain Feeding commences Figure source Peng, UC Dacvis
    • 23.
      • Circulates blood & hormones
      • Hemolymph
        • Plasma ~ blood
        • Hemocytes ~ blood cells
        • Trehalose ~ blood sugar
      • Pump (heart & dorsal aorta)
      • Diaphrams (Dorsal & Ventral )
      • Neurohormones control
      The Insect Circulatory System Figure from Chapman, 1998
    • 24. Figure from Chapman, 1998
    • 25. Endocrine System - Hormones
      • Growth (molting)
      • Reproduction
      • Feeding
      • Mating
      trw.umbc.edu/~vergil/Pix/insects.html trw.umbc.edu/~vergil/Pix/insects.html
    • 26. Reproductive tract http://images.google.com/imgres?imgurl=http://www.entomology.umn.edu/cues/4015/morpology/repro.jpg&imgrefurl=http://www.entomology.umn.edu/cues/4015/morpology/&usg=__JKdknStXraJP7-iF8w7zM5yjwS0=&h=375&w=594&sz=73&hl=en&start=6&sig2=RCZAkgjMqgh1q3MOzNewXA&um=1&itbs=1&tbnid=FFA3R1-4npnjNM:&tbnh=85&tbnw=135&prev=/images%3Fq%3Dinsect%2Breproductive%2Btract%26um%3D1%26hl%3Den%26client%3Dfirefox-a%26sa%3DG%26rls%3Dorg.mozilla:en-US:official%26tbs%3Disch:1&ei=t6aGS9KhAaWKNbmozfAL
    • 27. Digestive tract http://www.earthlife.net/insects/images/anatomy/guts.gif
    • 28. The Big Picture – Endocrine system Figure source Peng, UC Dacvis
    • 29. The Insect Tracheal System
      • Oxygen & waste products to & from each cell
      • Tracheal system
        • Spiracles
        • Trachea
        • Taenidia
        • Tracheoles
        • Tracheolar cells
      Figure Snodgrass, 1935
    • 30. Figure Snodgrass, 1935
    • 31. http://www.nature.com/nrg/journal/v1/n3/images/nrg1200-218a-f4.jpg
    • 32. References
      • Chapman, R.F. 1998. The Insects: Structure and Function. Cambridge University Press. NY, NY USA.
      • Snodgrass, 1935. Principles of Insect Morphology
      • Online resources, as cited in slides.
      • Peng, C.Y.S. Insect Physiology Lab Manual.

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