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Lab12 entomology (1)
 

Lab12 entomology (1)

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    Lab12 entomology (1) Lab12 entomology (1) Presentation Transcript

    • University of SulaimaniaSchool of ScienceDepartment of Biology2nd Class Year Practical Entomology 2011-2012 12th Lab.Insects’ Respiratory Apparatus Lecturer: Farhad A. Khudhur
    • Objective• This Lab. making the students to be familiar with different insects respiratory apparatus.• Students must know more details about the diversity in respiratory apparatus of aquatic and terrestrial insects.
    • Respiration• Tracheae – chitinous tubes• Tracheoles – fine, intercellular tubes• Spiracles – openings of tracheae – With closing device – Primitively 1 lateral pair/segment – Sometimes modified • Piercing • Telescoping • “Spiracular gill”• Body Wall – Undifferentiated integument – Tracheal gills
    • Spiracular Distribution– Polypneustic at least 8 pairs of spiracles (e.g., adults of terrestrial insects)– Oligopneustic – 1-2 pairs of spiracles • Amphipneustic – 1 pr mesothorax, 1 pair post- abdominal (e.g., Trichoptera: Psychodidae larvae) • Metapneustic – 1 pair post-abdominal (e.g., Diptera: Culicidae larvae) • Propneustic – 1 pair mesothorax (e.g., dipterous pupae)– Apneustic – no spiracles (e.g., Ephemeroptera and odonata larvae)
    • References• Gillot, Cedric. (2005). Entomology. 3rd ed. Springer, Dordrecht., The Netherlands. 831 pp.• Grzimek’s Animal Life Encyclopedia, 2nd edition. Volume 3, Insects, edited by Michael Hutchins, Arthur V. Evans, Rosser W. Garrison,• Resh, Vincent H. & Cardé, Ring T. (2003). Encyclopedia of Insects. USA. Academic Press, Elsevier Science, 1266 pp.• Elzinga, Richard J. (1997). Fundamentals of Entomology. 4th ed. New Jersey, Prentice-Hall, Inc. 475 pp.• Gullan, P.J. and Cranston, P.S. (). The insects: An Outline of Entomology. 3rd ed. U.K. Blackwell Publishing Ltd. 505 pp.