Using a Dichotomous Key

mosquito
house fly
mayfly
termite
 
squash bug
cricket
dragonfly
silverfish

Place the name of each insect in the appropriate blank in the dichotomous key below.
 
1.
  1. wings visible
  2. wings not visible
go to 2
go to 5
 
2.
  1. one pair of wings
  2. two pair of wings
go to 3
_______________________
 
3.
  1. wings lay flat
  2. wings stand up
go to 4
_______________________
 
4.
  1. legs much longer than wings
  2. leg not as above
_______________________
_______________________
 
5.
  1. abdomen with tail-like extension
  2. abdomen without tail-like extension
go to 6
go to 7
 
6.
  1. legs short and thin
  2. legs not as above
_______________________
_______________________
 
7.
  1. abdomen narrows behind head
  2. abdomen not as above
_______________________
_______________________