Related Experiment Video
Updated: Jun 16, 2026
06:56
Preparing and Rearing Axenic Insects with Tissue Cultured Seedlings for Host-Gut Microbiota Interaction Studies of the Leaf Beetle
Published on: October 8, 2021
Can the leafhopper microbiome unlock new strategies for its control?
Thierry Alexandre Pellegrinetti1,2,3,4, Abraão Almeida Santos1,2,3,4, Joshua Molligan1,2,3,4
1Département de phytologie, Faculté des sciences de L'Agriculture et de L'Alimentation, Université Laval, Québec City, Québec, Canada.
Journal of Economic Entomology
|June 15, 2026
Summary
Leafhoppers are major crop pests, but insecticide use is declining. Exploring their microbial partners offers a novel strategy for sustainable pest management and developing new control technologies.
Area of Science:
- Entomology
- Microbiology
- Agricultural Science
Background:
- Leafhoppers (Hemiptera: Cicadellidae) cause significant agricultural damage globally.
- Insecticide resistance and environmental concerns necessitate alternative pest control methods.
- Insect microbiome research shows promise for sustainable pest management in other insect groups.
Purpose of the Study:
- To synthesize current knowledge on leafhopper-associated microbial communities.
- To evaluate strategies for leveraging insect microbiomes for leafhopper pest control.
- To outline a roadmap for translating microbiome research into agricultural management tools.
Main Methods:
- Literature review and synthesis of existing research on leafhopper-microbe interactions.
- Evaluation of potential microbiome manipulation strategies, including symbiont isolation and biotechnology.
- Case study analysis of the corn leafhopper (Dalbulus maidis) microbiome dynamics.
Main Results:
- Limited knowledge exists regarding leafhopper microbial partnerships, hindering microbiome-based control development.
- Microbiome data can inform testable hypotheses for pest management strategies.
- Challenges include ecological predictability, host specificity, and evolutionary feedback in microbiome manipulation.
Conclusions:
- Leafhoppers can be viewed as holobionts, integrating host and microbial functions.
- Further research into leafhopper microbiomes is crucial for developing novel, sustainable pest control technologies.
- A roadmap is proposed for translating microbiome research into practical agricultural applications.
Related Concept Videos
01:09Microbe-Plant Interactions
Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
01:28Biological Methods for Microbial Control
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
01:28Microbial Bioremediation of Pesticides
Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...
01:22Microbial Interactions: Parasitism
Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...
01:26Microbial Interactions: Cooperation
Microbial cooperation involves beneficial interactions in which different species work together for individual or mutual advantage. These interactions can profoundly influence ecological dynamics and evolutionary processes, and they are essential to many pathogenic and symbiotic relationships.Nematode–Bacteria CooperationA striking example is the relationship between the Gram-negative bacterium Xenorhabdus nematophila and the parasitic nematode Steinernema carpocapsae. Juvenile nematodes...