Subgenus MESEMBRYNUS Huebner, [1819]

Mesembrynus Hübner, [1819], Verzeichniss bekannter Schmettlinge: 119. Type-species: Zygaena pluto Ochsenheimer, 1808, by subsequent designation, Tremewan, 1961, The Entomologist’s Record and Journal of Variation 73: 202.

Hesychia Hübner, [1819], Verzeichniss bekannter Schmettlinge: 116. Type-species: Sphinx laeta Hübner, 1790, by subsequent designation, Holik & Sheljuzhko, 1953, Mitteilungen der Münchener Entomologischen Gesellschaft 43: 219. Syn. rev.

Santolinophaga Burgeff, 1926, in Strand, Lepidopterorum Catalogus 4 (33): 18. Type-species: Zygaena corsica Boisduval, [1828], by monotypy. Syn. rev.

Coelestis Burgeff, 1926, in Strand, Lepidopterorum Catalogus 4 (33): 29. Type-species: Zygaena cuvieri Boisduval, [1828], by subsequent designation, Tremewan, 1961, The Entomologist’s Record and Journal of Variation 73: 201. Syn. rev.