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Related Concept Videos

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Preparing and Rearing Axenic Insects with Tissue Cultured Seedlings for Host-Gut Microbiota Interaction Studies of the Leaf Beetle
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Wireworm-Associated Microbial Communities and their Implications on Biological Control.

Adrian Wolfgang1, Nora Temme2, Ralf Tilcher2

  • 1Institute of Environmental Biotechnology, Graz University of Technology, Petersgasse 12, Graz, 8010, Austria.

Microbial Ecology
|December 22, 2025
PubMed
Summary
This summary is machine-generated.

Wireworms harbor species-specific microbes, crucial for their survival. Understanding these interactions and wireworm adaptations to entomopathogenic fungi (EPF) can improve biological pest control strategies.

Keywords:
Agriotes spp.Cuticle microbiomeEntomopathogenic fungiInsect endosymbiontsInsect immune primingMetarhizium

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Area of Science:

  • Entomology
  • Microbiology
  • Soil Ecology

Background:

  • Wireworms (Elateridae larvae) are major soil pests causing significant crop damage.
  • Current biocontrol methods using entomopathogenic fungi (EPF) show inconsistent field results.
  • Understanding wireworm-microbe interactions is key to enhancing biological control efficacy.

Purpose of the Study:

  • To investigate the temporal and spatial dynamics of wireworm-associated microbiota.
  • To explore the relationship between wireworm microbiome composition and survival.
  • To assess wireworm responses to entomopathogenic fungi (EPF) exposure, including immune priming.

Main Methods:

  • Characterization of bacterial communities in four Agriotes wireworm species and their surrounding soil.
  • Analysis of ectosymbiotic bacterial communities on wireworm cuticles over time.
  • Experimental exposure of wireworms to EPF to evaluate mortality and developmental changes.

Main Results:

  • Wireworm-associated microbiota are species-specific and predominantly derived from soil.
  • Cuticular bacterial communities are stable in healthy wireworms, correlating with survival.
  • Wireworms exhibit immune priming and developmental adaptations (increased molting) in response to EPF, reducing mortality.

Conclusions:

  • Wireworm microbiome homeostasis is vital for their persistence in soil.
  • EPF are present but low-abundant, suggesting complex interactions with the host microbiome.
  • Improving wireworm biocontrol requires considering host-microbe specificity and wireworm adaptive strategies to pathogens.