Insects

Insect Facts

  • When compared to animal and plant species there are about 3,000 insect’s species in the world. About 80% of animals in earth are insects.
  • Only one percent of the insect species are harmful to humans while most of the insects are harmless and they are beneficial.
  • Cockroach can live up to 3 weeks without their head.
  • Spittlebug lay its egg in the big nest of saliva bubbles.
  • Common garden worm has five pairs of hearts.

Types of Insects

Several species of insects are present all over the universe. But insects present all over the world are classified into two main groups. They are wingless (Apterygota) and winged ones (Pterygota).

Archaeognatha and Thysanura are the two orders that make up the Apterygota. Where Archaeognatha makes a single monocondylia, where as Thysanura and Pterygota are grouped together to form Dicondylia.

Paleoptera and Neoptera are the two orders that make up the winged order Pterygota. This group of insects folds their wings flat over the abdomen. Further Neoptera is divided into Hemimetabolous and Holometabolous groups.

Insects can be organized into thirty different orders. But for identify the most similar ones they are classified into the following ten groups. Below are the most common insects orders listed in an orderly manner.

Ants

Ants

Bees

Bees

Beetles

Beetles

Bugs

Bugs

Butterflies

Butterflies

Dragonflies

Dragonflies

Flies

Flies

Moths

Moths

Spiders

Spiders

Wasps

Wasps

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