Deerflies, like this one, are major pests! They are large, persistent,
and aggressive, and their bites are painful. They can also carry
diseases that hurt animals and humans.
Often in nature, appearances can be deceiving. Although this looks like a
snake, it's actually a spicebush swallowtail caterpillar. What look
like snake eyes are actually just markings intended to scare predators
off.
A blue-eyed dragonfly in Bavaria, Germany, looks into the camera lens.
Though they have a fierce name, dragonflies are completely harmless to
humans.
The bright-colored head of the puss moth caterpillar, like this one in
England, warns predators to stay away. This species can spray acid from
its head when it is attacked.
A ladybug's bright colors send predators the message: "I taste awful."
When frightened, these gentle insects release a bitter-tasting fluid
from the joints in their legs.
Katydids, like this large one in Borneo, Indonesia, make noise by
rubbing parts of their wings together. In some parts of Asia, this call
is considered to be as beautiful as a bird's song. In China and Japan,
some people even keep caged katydids in their homes.
Mantids, sometimes called praying mantises, are the lions of the bug
world. These amazing predators have excellent eyesight to find their
victims and lightning speed, sharp claws, and strong mandibles to snare
them.
Some treehopper species, such as this South American one, look amazingly
similar to the plants that grow where they live. This helps them hide
from predators.
Caterpillars, like this bright green one in North America, have sharp
feet for holding onto leaves and sharp teeth called mandibles for
munching.
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