Related Experiment Video
Updated: Apr 5, 2026
08:40
A Blood-Free Diet to Rear Anopheline Mosquitoes
Published on: January 31, 2020
11.4K
Effects of fish cues on mosquito larvae development
Alon Silberbush1, Zvika Abramsky1, Ido Tsurim2
1Center for Biological Control, Department of Life Sciences, Ben-Gurion University of the Negev, Israel.
Acta Tropica
|August 12, 2015
Summary
Predator cues (kairomones) from fish accelerated mosquito (Culex pipiens) development and surprisingly increased female survival. This response to predation risk is context-dependent, challenging typical models.
Area of Science:
- Ecology
- Entomology
- Chemical Ecology
Background:
- Predator cues can influence prey life history.
- Mosquito larvae (Culex pipiens) face predation risk.
- Kairomones are chemical signals from predators affecting prey.
Purpose of the Study:
- Investigate kairomone effects on Culex pipiens larval traits.
- Compare development time and survival in predator-conditioned water.
- Test the role of kairomones in predator-prey interactions.
Main Methods:
- Larval Culex pipiens reared in water conditioned by Gambusia affinis (predator) or control water.
- Development time and survival rates recorded.
- Boiling water tested to confirm kairomone role.
Main Results:
- Larvae in fish-conditioned water (FCW) pupated faster.
- FCW increased survival specifically in female larvae.
- Boiling water negated FCW effects, confirming kairomone involvement.
Conclusions:
- Predator kairomones can accelerate mosquito metamorphosis.
- This accelerated development is a context-dependent response to predation risk.
- Mosquitoes exhibit a spectrum of responses to predation, not just delayed metamorphosis.
