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Order Odonata

Dragonflies and Damselflies. Order Odonata. Dragonfly. Wings extend laterally while at rest. Stout Body Elongate Membranous Wings Compound Eyes. Damselfly. Fold wings together above their backs at rest. Slender Body Elongate Membranous Wings Compound Eyes. Classification.

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Order Odonata

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  1. Dragonflies and Damselflies Order Odonata

  2. Dragonfly • Wings extend laterally while at rest • Stout Body • Elongate Membranous Wings • Compound Eyes

  3. Damselfly • Fold wings together above their backs at rest • Slender Body • Elongate Membranous Wings • Compound Eyes

  4. Classification • Dragonflies and Damselflies belong to the class Insecta • And to the subclass Pterogota • They make up the order Odanata • Have three suborders Zygoptera- Dragonfly Anisoptera- Damselfly Anisozygoptera-Ancient Suborder

  5. Geographic Range • Odonates inhabit every continent except Antartica • They are found in habitats where fresh water is present. • 5,000 described species, 450 in North America

  6. Habitat • Dragonflies can be found near lakes, ponds, rivers, and swamps. Anywhere where there is water. • They require water, sunlight, shelter, plants, and a source of food. • Dragonflies usually are found near unpolluted water.

  7. Feeding Habits • Prey includes: Midges, flies, mosquitos, and other flying insects. • Capture prey in mid air • Nymphs feed on insect larvae and worms • Can fly up to 60 mph

  8. Reproduction • Male has 2 sets of sexual organs • Male must first charge his secondarycopulatory apparatus with sperm • They assume the “wheel” position • The females sexual apparatus joins the males secondary copulatory apparatus • Lasts several minutes to several hours

  9. The Wheel Position

  10. Care of Young • Male stays with female while egg laying occurs.

  11. Life Cycle • Nymph- Lives under Water for a year • Adult- Only lives 3 months

  12. Nymph • Prey on invertebrates • Fish prey on them • Molts 6 to 15 times • Hemimetabolous Metamorphosis

  13. Sources • http://www.earthlife.net/insects/odonata.html#7 • http://www.ucmp.berkeley.edu/arthropoda/uniramia/odonatoida.html • http://insects.about.com/od/dragonfliesanddamselflies/p/char_odonata.htm • http://www.oias.org/dragonfl.htm

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