Acknowledgements
We thank the UC Davis Arboretum, UC Anza Borrego Desert Research Center
and Davis homeowners for allowing us access to collect Xylocopasamples, the Bohart Museum of Entomology for access to voucher
specimens, and members of the Vannette lab for comments on previous
versions of this manuscript. We acknowledge funding to MH from UC Davis
Provost’s Undergraduate Research Fellowship and the UC Natural Reserve
System through the Field Science Fellowship, and to RLV from National
Science Foundation DEB #1929516.
Data Accessibility and Benefit-Sharing: All sequence data will
be accessible upon acceptance on NCBI Short Read Archive (project number
####), and all metadata and code will be available via Dryad and
Zenodo (accession number ####). **draft code and metadata submitted
with the current manuscript draft.