Predation of Amphibians by Carabid Beetles in Israel
Author Information
Author(s): Gil Wizen, Avital Gasith
Primary Institution: Tel-Aviv University
Hypothesis
The study aims to record and describe trophic interactions between adult Epomis beetles and amphibian species in Israel.
Conclusion
The two Epomis species display a partial overlap in their food habits, preying on different amphibian species.
Supporting Evidence
- Epomis dejeani was observed preying on Bufo viridis metamorphs during night surveys.
- Laboratory experiments showed that Epomis dejeani preyed on all five amphibian species presented to it.
- Epomis circumscriptus avoided predation on Triturus vittatus in laboratory settings.
Takeaway
Some beetles eat frogs, and in this study, researchers found that two types of beetles in Israel sometimes share homes with frogs but only eat certain kinds.
Methodology
The study involved daytime and night surveys at three sites and controlled laboratory experiments to observe beetle-amphibian interactions.
Limitations
The study was limited to specific sites and may not represent all habitats where Epomis beetles and amphibians coexist.
Participant Demographics
The study focused on two species of Epomis beetles and five species of amphibians.
Digital Object Identifier (DOI)
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