Gathering and Preparing Specimens for Nature Study:
Moths & Butterfies
STEP 1: Relax Insects Before Pinning (or risk damaging)
If it has been more than a few days since your specimens were collected, they will be hard, brittle, and almost impossible to pin without breaking or damaging them. To relax your insect specimens, you will need a plastic container with an airtight lid that is large enough to hold all of the insects you want to soften plus several layers of wet paper towels. The moisture from the wet towels will soften the bodies of the insects without harming or discoloring them. Follow these instructions carefully to soften insects before attempting to pin and spread them.
- Moisten a few paper towels with water (they should be wet all over but not dripping water) and lay them flat 2-3 layers deep in the bottom of the container.
- Set the largest and hardest insects on top of this layer (i.e. large beetles). Cover these insects with several more wet paper towels (again, wet all over but not dripping water) and place another layer of insects on top. Continue until all of the insects you need to relax are nested between layers of towels, ending with 2-3 layers of moist towels on the top. Be sure to layer the insects starting with the hardest ones on the bottom and ending with the softest ones at the top. Note: Handle the dried insects with care as they are very fragile.
- Close the lid tightly and move the container to a place where it will not be disturbed. Most butterflies and smaller insects should be softened in 2-3 days. Larger beetles and other insects may take 5-6 days or longer to soften enough to be pinned without breaking.
- Check the insects for flexibility by gently moving the legs after two days. Refresh any paper towels that may have dried out by sprinkling them with water. When an insect’s legs and antennae can be easily moved and its body does not feel brittle, the insect it ready to be pinned. Remove any insects that are sufficiently softened and proceed to the instructions for pinning and spreading.
Read More Here How to Pin and Spread Butterflies & Other Insects PDF
Supplies for Beginners to Gather:
- A Net
- Ziploc Bags
- A jar (to gather & kill if you're collecting to pin)
- Nail Polish Remover (as a killing agent)
Supplies for Beginners to Pin:
- Bracing Pins
- Entomology Pins - (different sizes, vary on size of insect)
- Labels
- Scissors
- Foam Pinning Board
- A Razor Knife
- Elmer's Glue
- Spreading Board optional
- Forceps optional
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