These data were collected by Aileen Berasategui. Beetles were reared on black-eyed peas. Beetles were from the LB strain and adapted to their host bean for many generations. Beetles were females and males. Beetles were adults. Beetles were surface-sterilized. Beetles were extracted with a phenol-chloroform extraction. Sequences are for the v4 region. MiSeq sequencing was done by MrDNA labs. For more information, see https://doi.org/10.1128/AEM.00212-21.