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Silicon Effects Depend upon Insect Herbivore Guild and Has Limited Influence on Gall-Inducing Insects of .
Plants (Basel)
January 2025
Departamento de Ecologia, Universidade Federal de Sergipe, São Cristóvão 49107-230, Brazil.
Silicon (Si) is a widely recognized element in plant defense, often enhancing resistance to herbivory by strengthening cell walls and deterring feeding by external herbivores. However, its impact on internal, endophytic herbivores, such as gall-inducing insects, remains underexplored. This study investigates the role of silicon in , focusing on its effects on herbivory by insects.
View Article and Find Full Text PDFComparison of Fecundity and Gall-Forming of the Horned-Gall Aphid, (Hemiptera: Aphididae) from Different Populations.
Insects
January 2025
Yunnan Key Laboratory of Breeding and Utilization of Resource Insects, Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Institute of Highland Forest Science, Chinese Academy of Forestry, Kunming 650224, China.
The horned-gall aphid, , is the most economically valuable Chinese gallnut aphid species, playing a decisive role in the production of Chinese gallnuts. The method of cultivating the gallnut species with artificial moss and increasing the yield of gallnuts after inoculation has been applied in the main producing areas of Chinese gallnuts. However, it is still unclear whether artificial cultivation affects the fecundity and gall-forming effect of .
View Article and Find Full Text PDFHost Manipulations Within Mutualisms: Role of Plant Hormones in Selective Resource Allocation.
J Chem Ecol
January 2025
Centre for Ecological Sciences, Indian Institute of Science, Bengaluru, Karnataka, 560012, India.
In some mutualisms involving host plants, photoassimilates are provided as rewards to symbionts. Endophagous organisms often manipulate host plants to increase access to photoassimilates. Host manipulations by endophagous organisms that are also mutualists are poorly understood.
View Article and Find Full Text PDFConflicting Dynamics of Galling and Pollination: (Hymenoptera, Eulophidae), a Specialized Parasitic Galler in Pistillate Flowers of (Araceae).
Plants (Basel)
December 2024
Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-130, SP, Brazil.
In the complex dynamics of plant-insect interactions, the specialized galling of reproductive structures presents unique evolutionary adaptations. This study investigates the parasitic relationship between (Hymenoptera, Eulophidae), an ovary-galling wasp, and the inflorescences of (Araceae). We employed field experiments and histological analyses to investigate the mechanisms driving this interaction.
View Article and Find Full Text PDFMicroorganism Strains, Environmentally Friendly and Biological Preparations Against Chitwood, 1949 and Their Impact on Fruit Quality and Tomato Crop Structure.
Microorganisms
December 2024
Federal Research Center of Biological Plant Protection, p/o 39, 350039 Krasnodar, Russia.
The primary aim of this research was to study the effectiveness of various strains of antagonist microorganisms and biological preparations against , in addition to their impact on the quality of tomato fruits and crop structure. Four microorganism strains and three registered environmentally safe nematicides were used in the experiment presented herein. The results showed that the strains F-22BK/6 and F-22BK/4 had the greatest biological efficacy, reducing the number of galls on tomato plants by 91.
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