South Dakota
Aedes, Ochlerotatus, and Psorophora Species

                            

Has narrow basal banding on its legs.  The            pale scales on its abdomen are shaped like               the letter "B." Proboscis is unbanded                     .......................Aedes vexans

Has apical and basal banding on its legs.  Almost            entire body covered in pale scales- this gives it the            appearance of being snowed on.  Dark scales on              abdomen look liketriangles on either side of the          median longituginal stripe........Ochlerotatus dorsalis

      

Some species have very broad                  banding on their legs.

Notice the large erect scales on its legs,                         these give the mosquito a "shaggy" look.                        The outer half of the proboscis is covered                        in yellowish scales........Psorophora ciliata