Habrophlebia antoninoi sp.n., a new species from Spain, with an account of the European species of Habrophlebia Eaton, 1881 (Ephemeroptera: Leptophlebiidae, Habrophlebiinae)

The adults and egg of Habrophlebia antoninoi sp. n. are described and illustrated from material collected in southern Spain. Although the genitalia of the new species is characteristic of Habrophlebia, the chorionic sculpturing of the egg and the shape and venation of hind wings are unique among European members of the genus. A discussion of its relationships with other European species of Habrophlebia is included and a key to male imagines of European species of Habrophlebia is provided.