Greene has not responded to Loomer’s posts.
Loomer and Greene have publicly attacked each other throughout the year, with their feud escalating sharply since summer.
In August, the two clashed after Loomer criticized Medal of Honor recipient Florent Groberg, sparking a days-long exchange of insults.
Saturday’s posts show Loomer revisiting and escalating those accusations.
She described Greene as “no friend to MAGA,” accused her of disloyalty dating back to 2021 and referenced claims about Greene’s political alliances during the 2022 midterms.
Several of Loomer’s follow-up posts also highlighted Democrats publicly supporting Greene, adding more friction to an already volatile feud.
Trump’s public break with Greene, delivered in a lengthy statement late Friday, removed one of the Georgia Republican’s most valuable political assets, the president’s personal endorsement.
In his post, Trump said Greene