Tega germanica Lukashevich & Ansorge, 2025

Lukashevich, Elena D. & Ansorge, Jörg, 2025, New Tega (Insecta: Diptera: Anisopodidae) from the Jurassic of Eurasia and the systematic position of Oligophrynidae, Zootaxa 5715 (1), pp. 251-266 : 255

Tega germanica Lukashevich & Ansorge , sp. nov.

( Figs 4 , 5 )

Holotype. LDA 1355 (+/-), well-preserved impression of an isolated wing, Jörg Ansorge collection, to be deposited in MfN.

Paratypes. Isolated wings LDA 1793 from Dobbertin, SNHMB-G.5721 (+/-) from Schandelah near Braunschweig, SNHMB-G.5720 (+/-) from Hondelage near Braunschweig .

Locality and horizon. Dobbertin, Mecklenburg-Vorpommern ( Mecklenburg-Western Pomerania), Germany , limestone concretions intercalated in clay of the Grimmen Formation, early Toarcian, exaratum subzone, paratypes are from the same-age boreale concretion of Schandelah and Hondelage, east of Braunschweig, Niedersachsen ( Lower Saxony), Germany .

Description. Wing small, length 2.1–2.2 mm. Wing transparent, with large pterostigma. C continuing beyond R 4+5 tip, but not reaching M 1 tip. Sc short, ending level to r-m, sc-r not visible. Distance between tips of Sc and R 1 1.3–2.0 times as long as distance between tips of R 1 and R 2+3, R 2+3 and R 4+5 almost parallel along their entire length, except for strongly curved R 2+3 tip, bas R 4+5 longer than r-m. Discal cell elongated, 2–3 times as long as wide, crossvein im at or just beyond M 1+2 furcation. Crossvein m-cu not parallel to costal wing margin; anal lobe of moderate size.

Etymology. The species name refers to Germany.

Figures

FIGURE 4. Wings of Tega germanica sp. nov., Germany, J1, drawings; A—holotype LDA 1355, Dobbertin; B—paratype SNHMB–G.5720, Hondelage; C—paratype LDA 1793, Dobbertin; D—paratype SNHMB–G.5721, Schandelah. Scale bar = 1.0 mm.

FIGURE 5. Wings of Tega germanica sp. nov., Germany, J1; A, B—holotype LDA 1355, Dobbertin, part and counterpart, with ammonium chloride (A), under alcohol (B); C, D—paratype LDA 1793, Dobbertin, with ammonium chloride (C), under alcohol (D); E, F—paratype SNHMB–G.5720, Schandelah, under alcohol (E), with ammonium chloride (F); G, H—paratype SNHMB–G.5721, Hondelage, part and counterpart, under alcohol (G), with ammonium chloride (H). Scale bar = 1.0 mm.