Species group minor Liu

Diagnosis (species group “c”). The songs are constituted by numerous discontinuous chirps at the beginning followed by continuous syllables (Figs 3 a–k).

Notes. According to the song characteristics (Liu et al., 2019), M. hainanensis He, 2019, should be put into the species group.

Included species and subspecies. M. minor sp. n. (East Asia), M. m. yunnana sub sp. n. (China), M. hainanensis He, 2019 (China) .