theIASHub | 18 Jul, 2025 | 14
Pheromones : Recently, Scientists have successfully demonstrated that manipulating pheromones in locusts can prevent them from forming destructive swarms or engaging in group behaviors that lead to mass feeding frenzies.
o This breakthrough offers a promising strategy for controlling locust outbreaks by disrupting their communication signals.
o They are present in all bodily secretions, especially in axillary sweat, and are sensed by the olfactory system.
o Pheromones are classified as ecto-hormones because they act outside the body.
o Types of Pheromones: Releaser Pheromones – Trigger an immediate and specific response.
- Signaler Pheromones – Convey information about the individual (e.g., help a mother recognize her baby).
- Modulator Pheromones – Influence mood and emotional states.
- Primer Pheromones – Affect hormonal activity, such as during pregnancy or menstrual cycles.
o Detected via the vomeronasal organ.
o Fungi, slime molds, and algae use them to attract mating types during reproduction.
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