Balticobaetisca Staniczek and Bechly, 2002

Staniczek, Arnold H., Storari, Arianny P. & Godunko, Roman J., 2022, Revised systematics, phylogeny, and paleontology of the mayfly family Baetiscidae (Insecta: Ephemeroptera), Arthropod Systematics & amp; Phylogeny 80, pp. 389-409 : 389

Genus Balticobaetisca Staniczek and Bechly, 2002

Type species.

Balticobaetisca velteni Staniczek and Bechly, 2002 [by monotypy] in Staniczek and Bechly 2002: p.7, figs 1-10.

Species composition.

Balticobaetisca velteni Staniczek and Bechly, 2002 [type species; female imago, holotype BB-2376]; B. stuttgardia Godunko and Krzemiński, 2009 [male imago, holotype BB-2394]; B. bispinata sp. nov. [male subimago, holotype BaB 1373/1, male subimago paratype SMF Be 411]. Nymphs unknown.

Type locality and horizon.

The pieces of amber with embedded holotypes of B. velteni and B. stuttgardia and B. bispinata sp. nov. originate from unknown Eocene deposits of Baltic amber; for information on the piece with the embedded paratype of B. bispinata sp. nov., see below.

Revised diagnosis.

Modified after Staniczek and Bechly 2002, Godunko and Krzemiński 2009, and characters of B. bispinata sp. nov. ADULTS: (1) abdominal tergum VI without mid-dorsal transverse elevation; (2) eyes without vertical bands; (3) wings without maculation; in male (4) two blunt claws of different size on each foreleg; (5) first segment of forceps with distinct projection of variable shape on inner margin; (6) penis lobes clearly separated and apically tapered, blunt at the tip; in female (7) dissimilar claws (one hooked, one blunt) on each foreleg (8) sternum IX without apical cleft.