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Sap-sucking Hemiptera, tending ants, and Sternorrhyncha predators on Acacia auriculiformis saplings fertilized with dehydrated sewage sludge
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Sap-sucking Hemiptera, tending ants, and Sternorrhyncha predators on Acacia auriculiformis saplings fertilized with dehydrated sewage sludge
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Journal Article
Sap-sucking Hemiptera, tending ants, and Sternorrhyncha predators on Acacia auriculiformis saplings fertilized with dehydrated sewage sludge
2026
Overview
Abstract Soil fertilization with dehydrated sewage sludge accelerates the recovery process of degraded areas, improving nutrient concentration, and favors the development of webs with pioneer plants such as Acacia auriculiformis and insects. This study aimed to evaluate the sap-sucking hemipteran insects, tending ants, and Sternorrhyncha predators in A. auriculiformis saplings fertilized with or without dehydrated sewage sludge, over two years in a degraded area. Acacia auriculiformis saplings fertilized showed higher numbers of sap-sucking Hemiptera Aleyrodidae, Aethalion reticulatum, and Erythrogonia sexguttata, the tending ant Brachymyrmex sp., and the Sternorrhyncha predators Cycloneda sanguinea and Syrphus sp.. Acacia auriculiformis saplings with higher numbers of branches/sapling showed a positive effect on the sap-sucking Hemiptera Achillidae and A. reticulatum and the tending ant Brachymyrmex sp.. The highest numbers of Cephalotes sp., Brachymyrmex sp., and Pheidole sp. were positively associated with those of Aleyrodidae, A. reticulatum, and Membracidae, respectively, in A. auriculiformis saplings. Saplings with high numbers of Cephalotes sp. had low numbers of C. sanguinea. The use of A. auriculiformis, fertilized with dehydrated sewage sludge, is promising in recovering degraded areas due to the increase in sap-sucking Hemiptera, tending ants, and Sternorrhyncha predators. In addition, these ants associated with sap-sucking Hemiptera reduce Sternorrhyncha predators. Resumo A fertilização do solo com lodo de esgoto desidratado acelera o processo de recuperação de áreas degradadas, melhorando a concentração de nutrientes e favorecendo o desenvolvimento de teias com plantas pioneiras como Acacia auriculiformis e insetos. Este estudo teve como objetivo avaliar os insetos hemípteros sugadores de seiva, formigas cuidadoras e predadores de Sternorrhyncha em mudas de A. auriculiformis fertilizadas ou não com lodo de esgoto desidratado, ao longo de dois anos, em uma área degradada. As mudas de A. auriculiformis fertilizadas apresentaram maior número de hemípteros sugadores de seiva Aleyrodidae, Aethalion reticulatum e Erythrogonia sexguttata, e da formiga cuidadora Brachymyrmex sp., e os predadores de Sternorrhyncha Cycloneda sanguinea e Syrphus sp.. Mudas de A. auriculiformis com maior número de galhos/muda apresentaram efeito positivo sobre os hemípteros sugadores de seiva Achillidae e A. reticulatum, e sobre a formiga cuidadora Brachymyrmex sp.. Os maiores números de Cephalotes sp., Brachymyrmex sp. e Pheidole sp. foram positivamente associados aos de Aleyrodidae, A. reticulatum e Membracidae, respectivamente, em mudas de A. auriculiformis. Mudas com alto número de Cephalotes sp. apresentaram baixo número de C. sanguinea. O uso de A. auriculiformis, fertilizada com lodo de esgoto desidratado, é promissor na recuperação de áreas degradadas devido ao aumento de hemípteros sugadores de seiva, formigas cuidadoras e predadores do de Sternorrhyncha. Além disso, essas formigas associadas aos hemípteros sugadores de seiva reduzem a população de predadores de Sternorrhyncha.
