Field Notes Journal
Field Notes Journal a personal natural history of place

I.4 Examination of the Wing of an Insect

Aim

To observe the structure of an insect wing, including membrane and veins.

Specimen & Apparatus

  • Insect wing (e.g. housefly, crane fly, or moth)
  • Slide and coverslip
  • Water (if required)
  • Compound microscope

Method

  1. Remove a wing carefully from the specimen.
  2. Place the wing flat on a slide.
  3. Add a small drop of water if needed to improve contact.
  4. Apply a coverslip gently.
  5. Examine under low and then higher magnification.

Observations to Make

  • Pattern and branching of veins.
  • Transparency and texture of the membrane.
  • Presence of hairs or scales.
  • Variation in thickness across the wing.