2. Muscina prolapsa prolapsa (Harris)

(Figs 5A, B)

Muscina pabulorum (Fallén); Becker 1908b: 196 (Madeira); Tiensuu 1938: 8 (Madeira); Frey 1945: 106 (Azores).

Muscina prolapsa (Harris); Pont 1986: 60 ff. (p.p., Azores, Madeira).

Material examined. AZORES: [MZH] São Miguel, Furnas, 1♂, 1♀ 23.vii–1.viii.1938 (R. Frey); São Jorge, Calheta, 1♀ 22–28.vi.1938 (R. Frey) .

Distribution. The nominal subspecies is in Macaronesia confined to the Azores and Madeira. According to Vikhrev & Esin (2023) a W Palaearctic species that may have spread to North America in historic times.