When Were Elytron Invented?

Garrow Aircraft created Elytron in 2013 for research into combining the advantages of fixed and rotary wing flight.

Why are they called elytra?

Beetles usually have two pairs of wings, although some beetles lack them and other species have highly modified wings. The forewings are called elytra (Greek, elytron = cover, sheath).

What is elytron made of?

The elytron is composed of ventral and dorsal layers of epidermal cells that secrete thin lower and thicker upper cuticular laminae [17], [18].