Butterflies are made up from 3 main parts – Head, Thorax and Abdomen. Below is a diagram of the external morphology of a typical butterfly. 1. Antennae 2. Compound Eye 3. Head 4. Proboscis 5. Thorax 6. Tibia 7. Tarsus 8. Femur 9. Abdomen 10. Hindwing 11. Forewing 12. Outer Margin 13. Coastal Margin 14.