Hexagenia limbata

Hexagenia limbata (Serville in Guerin, 1829) Ephemera limbata Serville in Guérin, 1829: 384, pl. 60, figs 7-9. Palingenia limbata. – F.-J. Pictet, 1843 -1845: 146-148, pl. 12, figs 1-3 (transfer). Hexagenia limbata. – Walsh, 1863: 197 (transfer). Material: NMW; ♂ subimago; Am[erica]. s[eptentrionalis]. Parreyss / Pictet vidit. – NMW; ♀ subimago; 190 Par[reyss]. / Pictet vidit; legs and abdomen missing. – NMW; 1 ♀ subimago; Pictet vidit; fore legs and tip of left fore wing missing. Remarks: F.-J. Pictet (1843: 148) mentioned only two specimens from Vienna, figured on plate XII, fig. 1 (male) and fig. 3 (female). For a detailed discussion of Serville’s material see Ulmer (1921: 233-239). Ludwig Parreyss (1796-1879) was an established dealer in natural history specimens (mostly insects and birds) in Vienna and the MNW acquired very frequently material from him.Published as part of 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, pp. 315-339 in Revue suisse de Zoologie 127 (2) on page 333, DOI: 10.35929/RSZ.0022, http://zenodo.org/record/574379