AK EY TO WINGED INSECT ORDERS

Document Sample
AK EY TO WINGED INSECT ORDERS Powered By Docstoc
					A Key to Winged Insects
            OR
   HOW TO IDENTIFY YOUR
      ADULT INSECTS
#1    Number of wings present

 2    wings present ….
             Go to next slide ………


 4    wings present ….
     Back wings may be folded under front wings.
             Go to Slide   ………          3
#2          Diptera: (flies and mosquitoes)

        One pair of wings.
        Back wings reduced to
         small structures called
         halteres.
#3            4 wings present
    Wings are covered with scales.
     Occasionally hind wings will be clear with
     no scales.   Go to next Slide ……..


    No scales on wings.
     Wings clear (membranous) or possibly
     thin and parchment-like.
                   Go to Slide   …….       5
#4      Lepidoptera:
     (butterflies and moths)

                 Antenna with knob- like
                  structures or feathery.
                 Wings covered with
                  scales.
                 4 wings always present.
#5 Mouthparts: Sucking or Chewing
      Sucking mouthparts: mouthparts end
       in sharp pointed structure used for
       piercing.       Go to next slide……..

      Chewing mouthparts: mouthparts not
       pointed. Mandibles present used for
       chewing.     Go to slide …………..9
#6     Wings: Leathery or membranous
    Front wings leathery for first half and
     clear or membranous at end
                  Go to next slide …….

    Wings entirely membranous and folded
     roof-like over the body
                   Go to slide ………... 8
                  Hemiptera: (true bugs)
#7                (stinkbugs and assassin bugs)

    Wings are folded over the
     back to form a triangle.

    Tip of front wings
     membranous or resembling
     lace

    Mouthparts: sucking and
     arise from the front of the
     head
      Homoptera:
#8   (Cicadas and leafhoppers)
                  Wings membraneous
                   or paper-like.
                  Wings held over body
                   like a rooftop.
                  Sucking mouthparts
                   arise from the lower
                   part of the head.
#9                Front Wings:

    Front wings hard, not flexible.
               Go to the next slide.

    Front wings parchment-like and flexible.
              Go to slide ………      11

    Front wings membranous, clear and easy to
     see through.
               Go to slide ………     12
#10            Coleoptera: (beetles)
    Front wings hard and
     inflexible.

    Front wings come together
     and form a line down the
     middle of the back.

    Hind wings membranous
     and hidden
#11   Orthoptera:
      (grasshoppers, cockroach, crickets)

                           Possible jumping legs
                           Wings held straight
                            back over the body
                           Wings paper-like and
                            transluscent, often
                            broad.
#12                 Wings:

   Hind wings much smaller than front
    wings.
                   Go to next slide ………


   Hind wings very close to equal size of
    the front wings.
                   Go to slide ……… 14
#13      Hymenoptera: (bees and wasps)
     Chewing mouthparts

     Wings membranous

     Hind wings smaller
      than front wings.
#14       Odonata:            dragonflies and damselflies

         Chewing mouthparts
         Wings membranous
         Hind wings almost
          equal in size to front
          wings.
Sucking Mouthparts
Chewing Mouthparts

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:83
posted:6/16/2012
language:
pages:17