Ischiodon feae (Bezzi, 1912) Figures 3E, F, 5

Syrphus feae Bezzi, 1912: 407. Type, MSNG. Type-locality: Cape Verde Is.

Differential diagnosis.

Very distinct Ischiodon species with a darker overall coloration (Figs 3E, 5C), face yellow with a medial black vitta (Figs 3F, 5B) and terga 2-4 with two small, oblique yellow maculae not reaching the lateral margins (Fig. 5A, C). Males of I. feae have fore legs with asymmetrical claws and metatrochanter without calcar.

Geographical distribution.

Only known from Cape Verde.

Material examined.

Cape Verde: São Vicente Is., Monte Verde, 25-29.xi.1953, Lindberg [1♂, MZH; http://id.luomus.fi/GJ.1984]; São Vicente Is., Ribeira de Julião, 26. xi– 2.xii.1953, Lindberg [1♀, MZH; http://id.luomus.fi/GJ.1985]; Santa Luzia Is., Agua Doce, 3.xii.1953, Lindberg [2♀, MZH; http://id.luomus.fi/GJ.1986, http://id.luomus.fi/GJ.1987].