Summary
It is impossible to study modern taxonomy without taking into consideration the population genetic and ecology.
Thé Linnean concept of monotypic species should be replaced by the biometric study of the frequency of the variability of the biological characters (particularly morphological) used in taxonomy.
The study of populations offers a larger scientific interest than the one of isolated types. It gives the possibility of caracterizing the evolution stability of the species.
So, Taxonomy can help considerably in biological control. By revealing large variability species, it gives a criterion of their adjusting plasticity.
But, by definition, the biological control is based on the adjusting capacity of the entomophagous insects either to a new host or to a new environment.
Information given by the taxonomist on the species stability has consequently a great value in the choice and use of the Entomophagous insects. — Ecologists using biological control, expect from the taxonomist to lie more than a label, which implies the use of biometric analysis methods in Entomophagous taxonomy.
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Labeyrie, V. Taxonomie, écologie et lutte biologique. Entomophaga 6, 125–131 (1961). https://doi.org/10.1007/BF02373217
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DOI: https://doi.org/10.1007/BF02373217