Tega storozhenkoi 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 : 258-261

Tega storozhenkoi Lukashevich & Ansorge , sp. nov.

( Figs 6 , 7 )

Holotype. PIN, No. 1255/1361 (+/-), well-preserved impression of an incomplete imago, PIN . Paratypes. PIN, No. 1255/758 (+/-), partly preserved isolated wing, 1255/1365, isolated complete wing .

Locality and horizon. Kubekovo village on the left bank of the Yenisey River ( 56.15°N, 93.13°E), Emeliyanovo district , Krasnoyarsk Krai, Central Siberia , Russia; Upper Itat Subformation of the Itat Formation (Bathonian; Middle Jurassic) .

Description. Wing longer than abdomen, length, 4.0– 4.5 mm, wing maximal width, 1.4–1.7 mm. Wing transparent, with large pterostigma. C disappearing immediately beyond R 4+5 tip. Sc short, ending level to r-m or slightly distal to it, sc-r not visible. Distance between tips of Sc and R 1 2.5–5.0 times as long as distance between tips of R 1 and R 2+3. R 2+3 with noticable deflection in midlength. Discal cell elongated, 2 times as long as wide, crossvein im at or just before M 1+2 furcation. Additional crossvein between M 2 and M 3 in paratypes. Crossvein m-cu not parallel to costal wing margin; anal lobe of moderate size. Body bare.

Etymology. The species name honours Dr. Sergey Storozhenko, Vladivostok, to acknowledge his contribution to the study of fossil insects.

Figures

FIGURE 6. Wings of Tega storozhenkoi sp. nov., Kubekovo, J2, photos (SEM, uncoated); A—holotype PIN, No. 1255/1361; B—paratype PIN, No. 1255/1365; C—paratype PIN, No. 1255/758. Scale bar = 1.0 mm.

FIGURE 7. Wings of Tega storozhenkoi sp. nov., Kubekovo, J2, drawings; A—holotype PIN, No. 1255/1361; B—paratype PIN, No. 1255/1365; C—paratype PIN, No. 1255/758. Scale bar = 1.0 mm.