open access publication

Article, 2024

Eocene amber provides the first fossil record and bridges distributional gap in the rare genus Robsonomyia (Diptera: Keroplatidae)

SCIENTIFIC REPORTS, ISSN 2045-2322, 2045-2322, Volume 14, 1, 10.1038/s41598-024-59448-y

Contributors

Pelczynska, Alicja (Corresponding author) [1] Krzeminski, Wieslaw 0000-0001-5685-891X [2] [3] Blagoderov, Vladimir [4] Vilhelmsen, Lars 0000-0002-5593-5722 [5] Soszynska, Agnieszka 0000-0002-2661-6685 [1]

Affiliations

  1. [1] Univ Lodz, Fac Biol & Environm Protect, Dept Invertebrate Zool & Hydrobiol, PL-90237 Lodz, Poland
  2. [NORA names: Poland; Europe, EU; OECD];
  3. [2] Polish Acad Sci, Inst Systemat & Evolut Anim, PL-31016 Krakow, Poland
  4. [NORA names: Poland; Europe, EU; OECD];
  5. [3] Polish Acad Sci, Inst Systemat & Evolut Anim, PL-31016 Krakow, Poland
  6. [NORA names: Poland; Europe, EU; OECD];
  7. [4] Natl Museums Scotland, Edinburgh, Scotland
  8. [NORA names: United Kingdom; Europe, Non-EU; OECD];
  9. [5] Univ Copenhagen, SCIENCE, Nat Hist Museum Denmark, Univ Pk 15, DK-2100 Copenhagen, Denmark
  10. [NORA names: KU University of Copenhagen; University; Denmark; Europe, EU; Nordic; OECD]

Abstract

Until now, the genus Robsonomyia was represented by two extant species: R. reducta Matile & Vockeroth, 1980 from North America and R. sciaraeformis (Okada, 1939) from Asia. This paper presents the first fossil members of the genus Robsonomyia, which is also the first record from Europe. Two new fossil species from Baltic amber are described: R. baltica Pe & lstrok;czy & nacute;ska, Krzemi & nacute;ski & Blagoderov, sp. nov. and R. henningseni Pe & lstrok;czy & nacute;ska, Krzemi & nacute;ski & Blagoderov, sp. nov.. The presence of fossil Robsonomyia spp. on the European continent suggests Holarctic distribution of the genus in the past. We also discuss possible pathways of its intercontinental dispersion.

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