At every stage in their lives, from egg to adult, leaf and stick insects prove to be prey that can trick their predators.
, commonly known as stick or leaf insects, often fade into the flora to become virtually invisible. It’s an effective survival strategy: Their predators want to snack on an insect, so they ignore what appears to be a plant.
Like the vegetation they mimic, most phasmids don’t move much, says entomologist Thies Büscher. They find a niche without competition for resources, and over time they’ve evolved to suit their surroundings. Look to similar environments in different parts of the world and you may find species that have survived in the same way: leaf insects that became more brown in arid habitats or green in tropical rainforests.
Photographer Levon Biss specializes in tiny objects in order to make “the invisible visible.” He spent hours cleaning these phasmid eggs with distilled water and one paintbrush hair under a microscope. The eggs in this composite grid of images average about 0.12 inch long.imitates crumpled foliage as an adult, its nymphs look like ants and then bark, and its eggs look like seeds. The eggs are taken in by spider ants, which eat only the nutrient-rich, knoblike capitulum.
Most phasmid eggs, like the giant prickly stick insect’s, resemble seeds, sometimes those of local plants. For example, the eggs of a leaf insect inecho the seeds of the tropical ivy gourd plant. Other attributes also increase eggs’ likelihood of survival, Büscher says. Their hardened shells can regulate humidity and radiation, and shiny black spots may play a role in thermoregulation. .
Here are some tips to keep them away, what to do if you find a tick on you, how to identify a tick bite, and more.New research proves these bloodsuckers can pick you out in a crowd. Here are the odors they’re drawn to, what scientists recommend to keep them away—and how a future personalized repellant might work.Science
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