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Canada's Insect Fauna

Canada's insect fauna contains many thousands of species and plays a wide variety of natural roles.

Composition of Canada's Fauna
Insects and their relatives belong to the most varied group of animals. Information compiled by the Biological Survey shows that in Canada alone:

  • There are about 55,000 species of insects.
  • There are about 11,000 species of mites and spiders.
  • About 4,000 species live in arctic regions beyond the limit of trees.
  • Only about half the species living in Canada have even been described.

Estimated Composition of Canada's Fauna

      insectfauna2.jpg (31682 bytes)


Diverse roles of the fauna
Insects and their relatives are found in almost every conceivable habitat, and play many roles in Canadian ecosystems. These ecological roles have led to a pervasive economic importance, though this is not always obvious because many species are small and inconspicuous. Included in the group are species that eat living plants, species that feed on decaying materials, species that prey on other invertebrates, and parasites of other insects or of vertebrates. Many of the larger forms serve as the basic food of fish, birds, and mammals. Some species transmit various diseases to animals, including man, and to plants. Over half of Canada's flowering plants are pollinated by insects.

Insects of Canada (Survey publication)
A general account of the nature of the Canadian insect fauna and of entomology in Canada was prepared by the Survey as a booklet entitled "Insects of Canada", distributed at the International Congress of Entomology held in Vancouver in 1988.

Insects of Canada (Popular version)
The web site of the Canadian Museum of Nature carries the Survey's account of the Canadian insect fauna in a less technical abridged version.

 

 


For further information, please contact:

Biological Survey of Canada
c/o Entomological Society of Canada
393 Winston Avenue,  Ottawa, Ontario K2A 1Y8  Canada
BiologicalSurvey@gmail.com

 

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This page last updated 02/08/2012