Insect wings - 5 specimens sunk in the material

MACHINE TRANSLATION (not authorised yet)

In the transparent plastic block there are 5 natural specimens - wings (5 different) insects - the largest group of animals on Earth:

1 - the hymenoptera wing

2 - wing covers (elytes) - hardened the first pair of wings

3 - a semi-sheathed bug with a hardened cap and membranous apex

4 - example of wing use (for double wings)

5 - cover wing (tegmen) - stiff front wings of the protruding wings, shells etc.

Block wrapped in a bubble pocket and placed in a lockable cardboard box. Teaching aid dimensions: 7.5 x 4 x 1 cm.