Giant Honeybees Use Shimmering to Repel Hornets
Author Information
Author(s): Kastberger Gerald, Schmelzer Evelyn, Kranner Ilse
Primary Institution: Institute of Zoology, University of Graz, Graz, Austria
Hypothesis
Do Giant honeybees successfully defend their nests against hornets through shimmering behavior?
Conclusion
The study concludes that shimmering behavior in Giant honeybees effectively repels hornets when they are close to the nest.
Supporting Evidence
- Shimmering waves were observed to increase in strength as hornets approached the nest.
- Hornets showed avoidance behavior when shimmering waves were present.
- Small-scale shimmering confused hornets, while big-scale shimmering repelled them.
- Hornets were less successful in predation attempts when shimmering was occurring.
- Shimmering behavior was documented in 450 filmed episodes.
- Statistical analysis showed significant differences in hornet behavior in response to shimmering.
- Shimmering created a shelter zone of around 50 cm around the honeybee nest.
Takeaway
Giant honeybees shake their bodies in a wave-like motion to scare away hornets that try to attack their nests.
Methodology
The study involved filming and analyzing the shimmering behavior of Giant honeybees in response to hornets at two experimental nests.
Potential Biases
Potential observer bias in interpreting the behaviors of bees and hornets during the experiments.
Limitations
The study was limited to observations at two specific locations and may not generalize to all Giant honeybee colonies.
Participant Demographics
The study focused on two colonies of Giant honeybees (Apis dorsata) and their interactions with hornets (Vespa sp.) in Nepal.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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