Insects diversity associated with the flora existing in two farms of the suburban agriculture of Santiago de Cuba
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Abstract
The work was carried out with the objective of evaluating the behavior of insect diversity associated with the flora existing in two farms of suburban agriculture in Santiago de Cuba. Direct samplings were carried out according to the technique of common counts by habitat. The collected insects were conserved in a 70% hydroalcoholic solution and then proceeded to their identification. Those species that belonged to the same taxonomic category were evaluated, evaluating the insect composition. They were calculated as diversity indicators alpha (α) Species richness (DMg), Simpson dominance (DSp), Berger-Parker index (d) and General diversity (Shannon H'). In the case of beta (β) diversity, the Jaccard Index (Ij) and the Morisita-Horn Index (IM-H ) were taken into account. There were 5 101 individuals belonging to five orders, 17 families, 32 genera and 35 species. The most represented orders were Coleoptera, Hymenoptera and Hemiptera and the trophic guilds that showed the highest percentage were phytophagous and biological controllers. Alpha diversity manifested a tendency towards low diversity both by farm and by evaluated period, although only in the low rainy season of the Tres Palmas farm a general diversity value is obtained in the range established for this indicator. There is dissimilarity between the farms that are compared, which shows the presence of exclusive species of each farm adapted to the environmental conditions of the place.
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