A M. spinifera Bey-Bienko, 1958, median phallomere, dorsal view (CY_2) B M. semicircularis Li & Che, sp. nov., median phallomere, dorsal view (CY_7) C M. bisignata Bey-Bienko, 1970, left phallomere, dorsal view (SY_3) D M. parabisignata Li & Che, sp. nov., left phallomere, dorsal view (SY_2) E M. paratransversa He & Wang, 2021, subgenital plate and median phallomere, dorsal view (MW970262) F M. forcipata Li & Che, sp. nov., subgenital plate and median phallomere, dorsal view (SHD_1). Scale bars: 0.5 mm.