Transcription factor that specifically represses the expression of the gene cluster involved in the biosynthesis of beauvericin (BEA), a non-ribosomal cyclic hexadepsipeptide that shows antibiotic, antifungal, insecticidal, and cancer cell antiproliferative and antihaptotactic activity (PubMed:27750383). Leads to elevated expression of BEA1, BEA2 and BEA3 (PubMed:27750383).