A man feeding swans and ducks from a snowy river bank in Krakow
Insect eggs: extraordinary examples of organic architecture
The eggs of different insects vary greatly in size, shape, and color. Engineered for survival, insect eggs show stunning surface structures. Insects produce a lot of eggs, each of them surrounded by a shell (the chorion) which can be ornately sculptured with ridges or spines. Some insect eggs are covered by additional protective cases, sacs, or foams.
I’ll be posting some amazing examples of insect eggs. This first photo shows an egg of the Adonis Blue, an European butterfly of the species Polyommatus bellargus [Syn. Lysandra bellargus], in which it can be seen the so called aeropyle system of the egg following a mathematical rule called the Fibonacci Series.
The aeropyle system is the heavily ornamented networks of interconnected pores of the shell (chorion), developed to guarantee sufficient oxygen diffusion during the development of the embryo caterpillar.
The Adonis blue butterfly is rare because it’s choosy. It lays its eggs (like the one above) only on horseshoe vetch, a European perennial. What’s more, it looks for patches cropped by rabbits that allow easy landing.
Technique: Colored Scanning Electron Microscope image.
Photo credit: ©Martin Oeggerli
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