Spatial distribution, ecological indices and interactions of arthropods on Sapindus saponaria (Sapindaceae) plants
R. F. A. Souza | G. L. D. Leite | M. A. Soares | D. L. Teixeira | J. L. Silva | R. A. Sampaio | R. E. M. Guanabens | M. M. Santos | W. Faustino Júnior | R. S. da Silva | J. C. Zanuncio
Abstract Sapindus saponaria L. (Sapindaceae) is a pioneer species used in programs to recover degraded areas. The trees also assist in the pest control of some insects due to the composition of saponins on their leaves. In addition, these chemical components are important to pharmaceutical product production. The objective was to evaluate the impact of spatial distribution, indices and ecological relationship of arthropods on S. saponaria leaves to preserve the balance of biodiversity. Aggregated distribution of arthropods was observed; the numbers of phytophagous arthropods were higher on the adaxial leaf face than on the abaxial part. Only Aleyrodidae (Hemiptera) had a higher presence on the abaxial leaf face of S. saponaria saplings. Abundance, diversity, and species richness of natural enemies correlated positively with phytophagous and pollinators insects. On the other hand, the number of Lyriomyza sp. mines correlated negatively with Pseudomyrmex termitarius (Smith) (Hymenoptera: Formicidae). All this information can assist and guide integrated pest management programs.
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