Eylais degenerata Koenike, 1897

Fig. 2 a – b

New records: MD 237, West, S de Malambolo, 1949, Paulian leg. (1/0/0), Ac 1232; MD 239, West, Lac de la Mahajamba, X 1949, Paulian leg. (4/2/0), Ac 1218 – 1221; MD 240, West, Mianduvajo, VII 1949, Paulian leg. (0/4/0), Ac 1222 – 1225; MD 241, Antsohihy, eau stagnante, X 1949, Paulian leg. (2/0/0), Ac 1226 – 1227. All slide-mounted, MNHN.

As to the width of their eye plate, the specimens display a rather wide variability, but a convex posterior extension of the median bridge is always found. The collection data suggest that males appear in the last quarter of the year.