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Red lacewing butterf… Blue morpho butterfl… Owl butterfl­y egg, C… Water Bear Ctenocep­halides feli…
Owl butterfly egg, Caligo memnon
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Owl butterfly egg, Caligo memnon

The mosaic pattern on an owl butterfly egg looks like a landing pad. At the center is a minute opening, called a micropyle, through which the sperm enters the egg.

Exquisite Castaways

Engineered for survival, insect eggs hang on and hatch wherever their parents deposit them.

The eggs in this story range in diameter from 0.7 to 2 millimeters. The images were made with a scanning electron microscope, which uses beams of electrons to trace the surfaces of objects. The resulting black-and-white images were then colored to reflect the eggs’ natural appearance

Credit: Photographic coverage produced in cooperation with Prüftechnik Uri and School of Applied Sciences, FHNW — z: Susana Carrasco

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