• HOME
  • True Bugs
  • Spiders
  • Beetles
  • Bees & Ants
  • Butterflies
  • Insects By State
  • Insect Dichotomous Key (for separating Arachnida from Insecta)

    Insect Dichotomous Key (for separating Arachnida from Insecta)

    Helping you separate insects from spiders by way of simple questioning.





    Our Two Point Insect Dichotomous Key can assist in identifying between an insect and a spider. Beginning with Question #1, determine which statement ("a" or "b") is true for the insect in question. From there, simply follow the directions at the end of the true statement until you arrive at your identification destination. From there, visit our list pages to specifically identify your insect.


    Question 1.

    a. Subject has eight legs - YES, go to the Arachnid Key
    b. Subject has six legs - YES, go to Question #2


    Question 2.

    a. Subject has wings - YES, go to the Winged Insect Key
    b. Subject does not have wings - YES, go to the Wingless Insect Key