This site deals with short taxonomic works, keys to special groups etc. .

In the moment only one key is available in english. It is a key to determine central European species of genus Rhithrogena subgroup semicolorata by its special chorion sculpture on its eggsurface. Take a look at the Ecdyonurus pages!

Most articles may be downloaded on Ephemeroptera Galactica

Note: A list of literature useful for determination of Central-European species is presented on the German part of this site. Click here.

Eiseler, B. & A. Haybach (2006) Egg-taxonomy of the German species of the genus Rhithrogena Eaton, 1881 (diaphana and semicolorata goup) (Ephemeroptera, Heptageniidae).- Lauterbornia 58 : 23-39, Dinkelscherben (In German and English: All keys also in English; all species are described and figured)

Haybach, A. (2006): [A key for the females of genus Electrogena Zurwerra & Tomka, 1985 in Germany(Insecta: Ephemeroptera),with a generic key to females of the family Heptageniidae] (in German).- Mainzer Naturwissenschaftliches Archiv 43 (2005): 39-44, Mainz,

Haybach, A., Belfiore, C. (2003): Key to the larvae of the genus Electrogena Zurwerra & Tomka 1985 in Germany (Insecta: Ephemeroptera: Heptageniidae).- Lauterbornia 46: 83-87, Dinkelscherben

Haybach, A. (2002): [Ootaxonomic investigations of three species of the Rhithrogena semicolorata subgroup from Rhineland-Palatinate (Insecta: Ephemeroptera: Heptageniidae) by light microscopy] (in German, engl. sum + descriptions of figs. on the last page) .- Mainzer naturwiss. Archiv 40: 205-210, Mainz

Haybach, A. & A. Thomas (2002): Ecdyonurus belfiorei nov. sp. from Italy, with a note on E. aurantiacus androsianus Braasch, 1983 (Ephemeroptera: Heptageniidae). Ephemera 2(2): 79-91, Le Chesnay, France.

Haybach, A. & A. Thomas (2000): Rediscovery of Ecdyonurus codinai Navás,  1924 in Portugal [Insecta: Ephemeroptera: Heptageniidae].- EPHEMERA, 1999, 1(2): 79-84 (in english)

Haybach, A.(1999): Beitrag zur Larvaltaxonomie der Ecdyonurus venosus - Gruppe  in Deutschland. - Lauterbornia 37: 113-150, Dinkelscherben

Belfiore, C., A. Haybach & M. Klonowska-Olejnik (1999): Taxonomy and phenetic relationships of  Electrogena affinis (Eaton, 1883) (Ephemeroptera: Heptageniidae).- Annls Limnol. 35 (4): 245-256

... more publications on mayflies  here !