Female Asian Longhorned Beetle Uses Light to Attract Males
Author Information
Author(s): Damon Crook, Jacob Wickham, Lili Ren, Zhichun Xu, Tappey H. Jones, Melissa Warden, Allard Cossé, Angel Guerrero, Christos G. Athanassiou
Primary Institution: Forest Pest Methods Laboratory, USDA-APHIS-PPQ-S&T
Hypothesis
Can female Anoplophora glabripennis produce volatile compounds that attract males through photo-degradation?
Conclusion
The study identified new volatile components from female beetle extracts that significantly attracted male beetles in both laboratory and field tests.
Supporting Evidence
- Seven new volatile components were identified from ozone- and UV-treated female extracts.
- Male beetles were significantly attracted to a blend of these seven components in olfactometer tests.
- Field tests showed traps with the seven-component blend caught significantly more males than control traps.
Takeaway
Female longhorned beetles can make special smells that attract male beetles, especially when exposed to light.
Methodology
The study used gas chromatography-mass spectrometry (GC-MS) and olfactometer tests to analyze and test the volatile compounds from female beetle extracts.
Limitations
Field tests had low population levels, which may affect the generalizability of the results.
Participant Demographics
Adult virgin female Anoplophora glabripennis, primarily from a Chinese strain.
Statistical Information
P-Value
0.003
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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