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| About 40.000 species are described
worldwide. Every year some hundred new species are described, so one can
assume a total of 50 to 60.000 existing species. But it is also possible,
that the real existing number is about twice as high, concerning results
of fogging and other collecting technics in the rain forests. About 1100
species are known to occur in Central Europe, in Germany alone about 850
species are known. Species numbers increase from North to South, as most
species are thermophilous. But there exist boreal and alpine species also.
The family Miridae holds the most species in the temperate regions. In
the tropical regions the Reduviidae comprise more than 5000 species for
example. |
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