In this work, the ability of certain entomopathogenic fungi to control the olive fruit fly (Diptera: Tephritidae), which significantly affects olive cultivation, was assessed. First, entomopathogenic fungi that often contribute to reducing pests, as well as , were sought out. Puparia of were collected from oil mills, and soil samples were collected from various olive grove regions of Greece. These soils were used as the substrate in which the effect of the entomopathogenic fungi on the pupae was studied. In addition, the same treatments were studied in non-soil conditions. The results show that certain known entomopathogenic fungi are able, in their natural environment, to kill pupae to a significant extent. The survival time for adults (days) was lower in the presence of (Hypocreales: Cordycipitaceae), at 13.20 in the soil (5.56 ± 0.42) and non-soil (6.76 ± 0.46) conditions, compared to that of the control in soil (9.83 ± 083) and non-soil (9.90 ± 0.72) conditions. This is encouraging for Mediterranean regions where the presence of significantly affects olive cultivation, while quality olive oil is in high demand.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11759186 | PMC |
Pathogens
January 2025
Laboratory of Analysis of Natural Compounds, Department of Environmental Analysis, Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdańsk, Poland.
Hemolymph enables communication between organs in insects and ensures necessary coordination and homeostasis. Its composition can provide important information about the physiological state of an insect and can have diagnostic significance, which might be particularly important in the case of harmful insects subjected to biological control. Linnaeus 1758 (Lepidoptera: Pyralidae) is a global pest to honey bee colonies.
View Article and Find Full Text PDFInsects
January 2025
Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing 210036, China.
The ambrosia beetle Blandford (Coleoptera: Curculionidae: Scolytinae) has recently emerged as a pest in Chinese poplar plantations, causing significant economic losses through damage to host trees in association with its mutualistic fungus . This study evaluated the biocontrol potential of strain B-BB-1, strain B-SM-1, its metabolite prodigiosin, and two ectoparasitic mites, and . exhibited significant lethality toward adult female , reduced offspring production, and inhibited growth.
View Article and Find Full Text PDFBiology (Basel)
December 2024
Department of Agriculture, University of Ioannina, Arta Campus, 47100 Arta, Greece.
In this work, the ability of certain entomopathogenic fungi to control the olive fruit fly (Diptera: Tephritidae), which significantly affects olive cultivation, was assessed. First, entomopathogenic fungi that often contribute to reducing pests, as well as , were sought out. Puparia of were collected from oil mills, and soil samples were collected from various olive grove regions of Greece.
View Article and Find Full Text PDFPest Manag Sci
January 2025
College of Agronomy and Biotechnology, Southwest University, Chongqing, China.
Background: The entomopathogenic fungus Beauveria bassiana has been widely used for pest biocontrol with conidia serving as the main active agents. Conidial yield and quality are two important characteristics in fungal conidia development, however, the regulatory mechanisms that orchestrate conidial formation and development are not well understood.
Results: In this study, we identified a ZnCys transcription factor BbCDR1 that inhibits conidial production while promoting conidial maturation.
Arch Microbiol
January 2025
Engineering Research Center of Biological Control, Ministry of Education and Guangdong Province, South China Agricultural University, Guangzhou, 510642, China.
Multiple studies have been conducted to investigate the impact of space conditions on human, plant, and microbial life. This research investigated the virulence of spaceflight mutants of the entomopathogenic fungus Purpureocillium lilacinum (HP7, HP36, HP52) and its original strain (SP535) against Tetranychus cinnabarinus as well as examination of the T. cinnabarinus immune response, including alterations in enzyme profiles and microbiome composition post fungal application.
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