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The diet of coleoptera carabidae and its importance in the functioning of ecosystems


, : The diet of coleoptera carabidae and its importance in the functioning of ecosystems. Cahiers des Naturalistes 43(4): 61-96

The imagos of Coleoptera Carabidae have a diet which can be, depending on the specis, strictly predatory, predominantly zoophagous, or phytophagous. The larvae seem to be all predatory and some of them are ectoparasites of varius insects or diplopods. The digestive tracts and mouths of the imagos are modified in accordance with their diets. The capture of prey leads to very specialized anatomical structures and behavioral mechanisms. The amount of available food affects interspecific competition and explains the isolation of different species in different ecological niches. Predatory Carabidae play a notable role in the functioning of ecosystems, whether in forests or in open areas. The consequences of current agricultural practices that often reduce populations of Carabidae and other predatory or parasitic insects were discussed.

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