Ephemera (Sinephemera) japonica McLachlan 1875 ...

• Main Author: Tiunova, Tatiana M.
• Format: Text
• Language: unknown
• Published: Zenodo 2024
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Ephemeroptera; Ephemeridae; Ephemera; Ephemera japonica; Sakhalin
• Online Access: https://dx.doi.org/10.5281/zenodo.13618928; https://zenodo.org/doi/10.5281/zenodo.13618928

Ephemera (Sinephemera) japonica McLachlan, 1875 Figures 24–30 Material examined. Russia: Sakhalinskaya Oblast: Sakhalin Island, Belaya River, 2 km southeast of “Sokol” station, 21.07.2001, 1♀ adult, V. Teslenko; Sakhalin Island, unnamed stream, 25 km south of Vostochny village, 01.08.2001, 1♀ adult, V.Teslenko; Iturup Island, Ketoviy Bay, Podoshevka River, 1.5 km above Fish Hatchery, 29.07.1997, 4♀ adults, V. Teslenko; Kunashir Island, Lesnaya River, about 1 km above the mouth of Kislyy Stream, 04.08.1994, 2♀ adults, T. Tiunova. Distribution. Far East Russia, Japan, China. The egg was described previously by Koss & Edmunds (1974) and Tojo & Machida (1998, p. 574: fig. 1). The description notes: the shape of the egg is ellipsoidal, about 200x100 µm; the adhesive layer is very thin (about 0.1 µm); the surface of the chorion has an ill-developed reticulation (by Tojo & Machida 1998) or smooth (by Koss & Edmunds 1974); micropyle, one per egg; the sperm guide is undeveloped; micropylar canal ... : Published as part of Tiunova, Tatiana M., 2024, Egg morphology of six East Palaearctic species of the genus Ephemera Linnaeus (Ephemeroptera: Ephemeridae), pp. 381-399 in Zootaxa 5497 (3) on pages 387-392, DOI: 10.11646/zootaxa.5497.3.4, http://zenodo.org/record/13618713 ...