Pollen dating

Insects can communicate with each other in a variety of ways.

Male moths can sense the pheromones of female moths over great distances.

Clockwise from top left: dance fly (Empis livida), long-nosed weevil (Rhinotia hemistictus), mole cricket (Gryllotalpa brachyptera), German wasp (Vespula germanica), emperor gum moth (Opodiphthera eucalypti), assassin bug (Harpactorinae)], "cut into sections") are by far the largest group of hexapod invertebrates within the arthropod phylum.

Many insects spend at least part of their lives under water, with larval adaptations that include gills, and some adult insects are aquatic and have adaptations for swimming.

Some species, such as water striders, are capable of walking on the surface of water.

Silkworms and bees have been used extensively by humans for the production of silk and honey, respectively.

In some cultures, people eat the larvae or adults of certain insects.

Other species communicate with sounds: crickets stridulate, or rub their wings together, to attract a mate and repel other males.

Lampyridae in the beetle order communicate with light.

The evolutionary relationship of insects to other animal groups remains unclear.

Although traditionally grouped with millipedes and centipedes—possibly on the basis of convergent adaptations to terrestrialisation—evidence has emerged favoring closer evolutionary ties with crustaceans.

In this sense, Insecta sensu stricto is equivalent to Ectognatha.

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