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Common Characteristics of All Insects

Definitions of Insect Bites: Many effects of metazoan parasitism are attributed to bites. Some metazoans (insect in the loose sense) do bite other stingers. True bites and stings, however, are immediately painful. Causes of bites

The orders containing the largest number of species are: Coleoptera (beetles), Lepidoptera (butterflies and moths), Hymenoptera (ants, bees, wasps) and Diptera (true flies). Common Characteristics of Insects

Insects have what we call an exoskeleton or a hard shell-like covering on the outside of their body.: They have three main body parts: head, thorax and abdomen. They have a pair of antennae on top of their head. Insects have three pairs of legs. Insect and Bug Facts: Moths have ears on their wings to avoid bats.

Monarch caterpillars shed their skin four times before pupating, growing over 2700 times their original size.

There may be as many as 3,000 different species of insects – more than all other species of animals and plants combined.

Of the vast number of insects, only a small amount, one percent, are harmful to humans. Most insects are harmless or actually beneficial. For example, without bees to pollinate flowers, plants would have no way to reproduce and we would have nothing to eat!

Grasshoppers can eat their weight in food in a day. A person eats his body weight in about half a year.

Why are insects so successful?

Of all the creatures on earth, insects are the primary consumers of plants… It is believed that insects are so successful because they have a protective shell or exoskeleton, are small, and can fly. Their small size and ability to fly allow them to escape from enemies and disperse to new environments.

Insects are in crops are useful for humans.

Key insect pests include the corn beetle, the Japanese beetle, the Mexican bean beetle, and the grasshopper. Late-season lepidopterous worms such as corn earworms, western bean borers, and the European corn borer can damage ears and pods. Insect pests such as Japanese beetles can create opportunities for fungal infection or rot.

Insects are vital components of many ecosystems, where they perform many important functions. They aerate the soil, fertilize the flowers, and fight insects and plant pests… As decomposers, insects help build topsoil, the nutrient-rich layer of soil that helps plants grow.

A minority of insects are considered pests because they are harmful to humans or other animals. One reason insects can be harmful is because some can sting, bite, or even spread disease… In addition, some of the deadliest diseases are spread by insects.

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