Ecdyonurus (Helvetoraeticus) picteti, Meyer-Dur, 1864

Sartori, Michel & Bauernfeind, Ernst, 2020, Mayfly types and additional material (Insecta: Ephemeroptera) examined by F. - J. Pictet and A. - E. Pictet, housed in the Museums of Natural History of Geneva and Vienna, Revue suisse de Zoologie 127 (2), pp. 315-339 : 331

Ecdyonurus (Helvetoraeticus) picteti

( Meyer-Dür, 1864)

Baetis sp. ? Picteti Meyer-Dür, 1864: 221 .

Heptagenia Picteti. – Eaton, 1871: (transfer).

Ecdyonurus picteti . – Puthz, 1975: 321 (transfer).

Ecdyonurus (Helvetoraeticus) picteti . – Bauernfeind & Soldán, 2012: 279 (transfer to new subgenus).

Locus typicus: „… Muraglbach bei Pontresina, im Rosegthal, am Chalchagn und am Bernina bis 6700’ ü.M…“.

Type material: MHNG; lectotype, ♀ subimago; 620 Engadin 48 Alpes coll. Pictet / val Muragl 25 (6) / Baetis Picteti Meyer Engadin / Ecdyonurus picteti (Meyer-Dür) ♀ Lektotypus Puthz 1973 ( Fig. 7 ).

Remarks: Puthz (1975) was the first to rediscover specimens of this species in F.-J. Pictet’s collection. Besides the lectotype, there is another female subimago with the following labels: 620 Pontresina 48 Alpes coll. Pictet / Pontresina 5/6 selten / Ecdyonurus picteti (Meyer-Dür) ♀ Paralektotypus Puthz 1973. Furthermore, there is a third one, also a female subimago, which does not belong to this species: 620 Bernina 48 6700’ Alpes coll. Pictet / Bernina bis 6700’ 4/6 / Syntypus von Baetis picteti Meyer-Dür = cf. Ecdyonurus venosus (F.) Puthz 1973.

Figures

Fig. 7. Ecdyonurus (Helvetoraeticus) picteti (Meyer-Dür, 1864). Labels of the female subimago lectotype.