Revision of the East Palaearctic genusIsonychia(Ephemeroptera: Isonychiidae)

Abstract

The species of the genus Isonychia Eaton, 1871 (Isonychiidae) of East Palaearctic are revised. Two subgenera, Isonychia s.s. and Prionoides Kondratieff et Voshell, 1983, are represented in the Palaearctic. New species and subspecies of Isonychia s.s. are described: I. sexpetalasp. nov., I. ussurica sibiricasubsp. nov., I. concoloriasp. nov., I. crassiusculasp. nov., and I. vshivkovaesp. nov. with subspecies I. vshivkovae vshivkovae and I. vshivkovae sinitshenkovaesubsp. nov. A new species group japonica, with three species (I. crassiuscula, I. vshivkovae, and I. japonica), is recognized on the basis of adult and larval characteristics. The name Isonychia hainanensis She et You, 1988 is synonymized with Isonychia ignota (Walker, 1853) syn. nov.

The complete mitochondrial genome of Isonychia kiangsinensis (Ephemeroptera: Isonychiidae)

“…The family Isonychiidae is composed of one genus (Isonychia) and two subgenera (Isonychia and Prinoides) (Tiunova et al 2004;Tungpairojwong and Boonsoong 2011). The phylogenetic relationship of Isonychiidae is controversial both in morphological and molecular aspects (Demoulin 1961;McCafferty and Edmunds 1979;Hebert et al 2003;Ogden and Whiting 2005;Sun et al 2006;O'Donnell and Jockusch 2008;Ogden et al 2009;Webb et al 2012;Saito et al 2016).…”

Phylogenetic analyses of the isonychiid mayflies (Ephemeroptera: Isonychiidae) in the northeast palearctic region

“…With respect to the East Palearctic isonychiid mayflies, a morphologically based taxonomic classification was conducted by Tiunova et al . (). As a result of this study, eight isonychiid mayfly species of the genus Isonychia are now recognized in the East Palearctic region: Isonychia ( Isonychia ) ignota (Walker ), Isonychia ( Isonychia ) japonica (Ulmer ), Isonychia ( Isonychia ) ussurica (Bajkova ), Isonychia ( Isonychia ) concoloria (Tiunova et al .…”

“…As a result of this study, eight isonychiid mayfly species of the genus Isonychia are now recognized in the East Palearctic region: Isonychia ( Isonychia ) ignota (Walker ), Isonychia ( Isonychia ) japonica (Ulmer ), Isonychia ( Isonychia ) ussurica (Bajkova ), Isonychia ( Isonychia ) concoloria (Tiunova et al . ), Isonychia ( Isonychia ) crassiuscula (Tiunova et al . ), Isonychia ( Isonychia ) sexpetata (Tiunova et al .…”

“…), Isonychia ( Isonychia ) crassiuscula (Tiunova et al . ), Isonychia ( Isonychia ) sexpetata (Tiunova et al . ), Isonychia ( Isonychia ) vshikovae (Tiunova et al .…”

“…), Isonychia ( Isonychia ) vshikovae (Tiunova et al . ) and Isonychia ( Prinoides ) shima (Matsumura ). Among the East Palearctic species, I .…”