Dichotomous Key/Coleoptera

Dichotomous Key
Coleoptera
Kingdom Animalia
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Order Coleoptera

1

  • Notopleural sutures
    • Present - #2 (Suborder: Adephaga)
    • Not present - #3 (Suborder: Polyphaga)

2

  • Coloration
    • Ventrally metallic/iridescent; extremely large eyes and cursorial form- Cicindelidae
    • Brown, black, or uniformly metallic (some are iridescent on elytra only) - Carabidae

3

  • Toothed or scalloped edge on front tibia
    • Present - Scarabaeidae
    • Not present - #4

4

  • Abdomen adapted to produce light
    • Yes - Lampyridae
    • No - #5

5

  • Makes a clicking sound when escaping or flipping over
    • Yes - Elateridae
    • No - #6

6

  • Antennae clubbed
    • Yes - either Bostrichidae or Nitidulidae
    • No - #7

7

  • Head visible
    • No, covered by pronotum - Coccinellidae
    • Yes - #8

8

  • Antennae arise from middle of snout
    • Yes - Curculionidae
    • No - #9

9

Could be Buprestidae, Cantharidae, Cerambycidae, Chrysomelidae, Scolytidae

Last modified on 6 September 2009, at 23:28