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Research in Medical & Engineering Sciences

Systematic Inventory of the Coleopterological Population of the Rice Plants of Gharb (Morocco)

Submission: July 19, 2018; Published: August 09, 2018

DOI: 10.31031/RMES.2018.06.000634

ISSN : 2576-8816
Volume6 Issue2


Due to favorable climatic and soil conditions, Moroccan rice cultivation is practiced in its entirety in the lowest region of the Gharb plain. The systematic study of the colopterological stand at ten stations covering all the rice fields during the two 2015 and 2016 rice seasons revealed that it is very diversified in comparison with other similar environments. Indeed, the latter has 39 species spread over 12 families, with a predominance of species described as a great power of predation and which are of vital interest against the proliferation of living species at the expense of the rice plant. Similarly, the biogeographical analysis of this entomofauna reveals the predominance of the Mediterranean character and the scarcity of other elements of various origins. This in relation with the location of the Gharb plain in an area protected from Saharan influence by the three parallel mountain ranges. Finally, the biotypological study of this colopterological stand during the two cropping seasons allowed the individualization of three groups of species during the phenological cycle of rice: species with summer development; fall-rearing species and species harvested throughout the crop cycle.

Keywords: Coleoptera; Systematics; Biotypology; Ecology; Rice fields; Gharb plain

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