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Related Experiment Video

Updated: Jun 23, 2026

Maintaining Biological Cultures and Measuring Gene Expression in Aphis nerii: A Non-model System for Plant-insect Interactions

Maintaining Biological Cultures and Measuring Gene Expression in Aphis nerii: A Non-model System for Plant-insect Interactions

Published on: August 31, 2018

An insect anti-antiaphrodisiac.

Colin S Brent¹, John A Byers^1,2, Anat Levi-Zada³

¹Arid Land Agricultural Research Center, United States Department of Agriculture-Agricultural Research Service, Maricopa, United States.

|July 12, 2017

Summary

Plant bug males use antiaphrodisiacs to guard mates, but females convert these into an "anti-antiaphrodisiac" to signal mating status. This reveals a novel pheromone communication system in reproductive behavior.

Keywords:

Lygus hesperus anti-antiaphrodisiac antiaphrodisiac ecology evolutionary biology genomics passive mate guarding

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Author Spotlight: Examining Volatile Sex Pheromone Influence on Male C. elegans Behavior

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Published on: August 9, 2024

Area of Science:

Chemical ecology
Insect reproductive behavior
Pheromone communication

Background:

Males use passive mate guarding via seminal fluids containing antiaphrodisiacs (myristyl acetate, geranylgeranyl acetate) to ensure sperm precedence.
These antiaphrodisiacs are released from the female's gonopore, decreasing over time and potentially reducing mating status signal reliability.

Purpose of the Study:

To investigate the role of geranylgeranyl acetate metabolism in plant bug (Lygus hesperus) reproductive behavior.
To identify mechanisms that provide a more reliable signal of female mating status.

Main Methods:

Analysis of seminal fluid composition in Lygus hesperus.
Tracking the metabolic conversion of geranylgeranyl acetate within females.
Observing the behavioral effects of geranylgeraniol on male courtship.

Main Results:

Geranylgeranyl acetate is converted to geranylgeraniol inside the female.
Geranylgeraniol is externalized and counteracts the antiaphrodisiac effect.
Geranylgeraniol itself does not possess attractant properties.

Conclusions:

Lygus hesperus utilizes an "anti-antiaphrodisiac" pheromone (geranylgeraniol) for accurate mating status signaling.
This represents a novel communication mechanism in insect reproduction.
The findings add complexity to our understanding of pheromonal regulation of reproductive behaviors.