...reports (Wright et al. 2024), we detected a SA fusion comprising two ancient Merian elements (M17 + M20) and the Z Chromosome, forming the neo-Z Chromosome, F(20 + 17,Z) and two autosomal fusions specific to the Olethreutinae, F(5,13) and F(18,26) (Fig. 1A). We also identified several sporadic fusion...