Micrograph by Martin Oeggerli
Zebra longwing butterfly egg (Heliconius charithonia)
The orange hue of this zebra longwing butterfly egg may warn predators: "Eat me if you dare." The threat would not be idle. The egg contains cyanide and other toxins ingested by adults from the plants
We don't have to look far to find alien-looking lifeforms, as the September 2010 issue of National Geographic shows. All you need is a microscope and a few insect eggs.