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Type: Article
Published: 2024-01-05
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A new amber representative of the genus Ectobius Stephens, 1835 (Blattodea: Ectobiidae) from Storebælt (Denmark)

Zoological Institute; Russian Academy of Sciences; Universitetskaya Emb. 1; Saint Petersburg; 199034 Russia
Cherepovets State University; Lunacharsky prospect 5; 162600; Cherepovets; Russia; Borissiak Paleontological Institute; Russian Academy of Sciences; Moscow; 117647 Russia
Natural History Museum of Denmark; Universitetsparken 15; Copenhagen; 2100 Denmark
Blattodea cockroach danish amber late eocene morphology new species palaeoentomology


A new fossil cockroach, Ectobius danekrae sp. nov., is described on the basis of a single male adult individual from late Eocene Danish amber. This is the third representative of the genus Ectobius Stephens, 1835 from Eocene ambers. The new species exhibits plesiomorphic characters of small right stylus and subsymmetrical claws, compared to the known fossil and living species of the genus. The references to Ectobius balticus (Germar et Berendt, 1856) and Margattea Shelford, 1911 sp. presence in Danish amber are insufficient.



  1. Anisyutkin, L.N. (2022) New data on the systematics and distribution of the cockroach genera Placoblatta Bey-Bienko, 1969 and Anisolampra Bey-Bienko, 1969 (Dictyoptera, Blaberidae: Epilamprinae). Entomological Review, 102 (5), 664–674.
  2. Anisyutkin, L.N. & Perkovsky, E.E. (2021) Periplaneta (?) perialla sp. nov., a cockroach larva of the subfamily Blattinae (Dictyoptera, Blattidae) from Rovno amber. Paleontologicheskii Zhurnal, 2017 (3), 54–60 [in Russian]. [English translation Paleontological Journal, 55 (3), 294–300]
  3. Anisyutkin, L.N. & Perkovsky, E.E. (2023) Two new cockroaches (Dictyoptera: Ectobiidae) from Rovno amber. Biologia, 78 (6), 1721–1730.
  4. Beccaloni, G.W. (2014) Cockroach Species File Online. Version 5.0/5.0. World Wide Web electronic publication. Available from: (accessed 7 August 2023)
  5. Bey-Bienko, G.Ya. (1936) To the Blattodea fauna of Tadjikistan. Travaux de la filiale de l’Academie des Sciences de l’URSS au Tadjikistan, 6, 225–240. [in Russian].
  6. Bey-Bienko, G.Ya. (1938) On some new or interesting Asiatic Blattodea. Annals and Magazine of Natural History, Ser. 11, 1 (2), 230–238.
  7. Bey-Bienko, G.Ya. (1950) Nasekomye Tarakanovye [Cockroach insects]. Fauna of the USSR. New Series 40. Nauka Publishers, Leningrad, Moscow, 343 pp. [in Russian]
  8. Bohn, H. (1989) Revision of the sylvestris group of Ectobius Stephens in Europe (Blattaria: Blattellidae). Entomologica scandinavica, 20, 317–342.
  9. Bohn, H. (2004) The Blattoptera fauna of Switzerland and the adjacent regions of France, Italy and Austria I. The species of the sylvestris-group of Ectobius (Blattellidae, Ectobiinae). Spixiana, 27 (3), 253–285.
  10. Brunner von Wattenwyl, C. (1865) Nouveau systeme des Blattaires. Charles Ueberreuter, Wien, 426 pp.
  11. Bonde, N.C., Hald, N., Andersen, S. & Jakobsen, S.L. (2008) Danekræ: de bedste danske fossiler. Gyldendal, Copenhagen, 226 p.
  12. Clements, J.C., McCorquodale, D.B., Doucet, D.A. & Ogden, J.B. (2017) The dusky cockroach in the Canadian Maritimes: establishment, persistence, and ecology. Journal of the Acadian Entomological Society, 13, 21–27.
  13. Dlussky, G., Radchenko, A. & Dubovikoff, D. (2014) A new enigmatic ant genus from late Eocene Danish Amber and its evolutionary and zoogeographic significance. Acta Palaeontologica Polonica, 59 (4), 931–939.
  14. Dlussky, G.M. & Rasnitsyn, A.P. (2009) Ants (Insecta: Vespida: Formicidae) in the Upper Eocene amber of Central and Eastern Europe. Paleontological Journal, 43 (9), 1024–1042.
  15. Germar, E.F. & Berendt, G.C. (1856) Die im Bernstein befindlichen Hemipteren und Orthopteren der Vorwelt. In: Berendt, G.C. (1845–1856) Die im Bernstein befindlichen organischen Reste der Vorwelt. Bd. 2. Abth. I. Berlin, pp. 1–125.
  16. Greenwalt, D.E. & Vidlička, Ľ (2015) Latiblattella avita sp. nov. (Blattaria: Ectobiidae) from the Eocene Kishenehn Formation, Montana, USA. Palaeontologia electronica, AN: 18.1.16A.
  17. Hanitsch, R. (1937) On some Blattids from Kashmir and a new genus from the Transvaal. Opuscula Entomologica, 1, 102–105.
  18. Heie, O.E. (1967) Studies on fossil aphids (Homoptera: Aphidoidea), especially in the Copenhagen collection of fossils in Baltic amber. Spolia zoologica Musei Hauniensis, 26, 1–274.
  19. Hoebeke, E.R. & Carter, M.E. (2010) First North American record of Ectobius lucidus (Hagenbach) (Blattodea: Blattellidae: Ectobiinae), with notes on recognition characters and seasonal history, and additional records for other Ectobius species in the Northeastern United States. Proceedings of the Entomological Society of Washington, 112 (2), 229–238.
  20. Iakovleva, A.I. (2017) Detalization of Eocene dinocyst zonation for Eastern Peritethys. Bulletin of the Moscow Society of Naturalists. Geological Series, 92 (2), 32–48. [in Russian, with English summary]
  21. Iakovleva, A.I., Mychko, E.V. & Aleksandrova, G.N. (2021) New dinocyst data from the “Primorsky” amber quarry (Kaliningrad Region): clarification of the deposits’ age as the base for a revision of paleogeographic reconstructions of the Danish-Polish strait in the late Paleogene. In: Golubev, V.K. & Nazarov, V.N. (Eds.), Paleostrat-2021. Annual Meeting of the Paleontological section of the Moscow Society of Naturalists and the Moscow Branch of the Russian Paleontological Society, Russian Academy of Sciences, (Moscow, January 25–26, 2021). Abstracts. A.A. Borisyak Paleontological Institute, Russian Academy of Sciences, Moscow, pp. 77–78. [in Russian]
  22. Iakovleva, A.I., Aleksandrova, G.N. & Mychko, E.V. (2022) Late Eocene (Priabonian) dinoflagellate cysts from Primorsky quarry, southeast Baltic coast, Kaliningrad Oblast, Russia. Palynology, 46, 1–40.
  23. Jenkins Shaw, J., Perkovsky, E.E., Ślipiński, A., Escalona, H. & Solodovnikov, A. (2023) An extralimital fossil of the genus Diagrypnodes (Coleoptera: Salpingidae: Inopeplinae). Historical Biology. [published online]
  24. Karny, H. (1921) Zur Systematik der Orthopteroiden Insekten. Treubia, 1, 163–205.
  25. Larsson, S.G. (1978) Baltic amber – a paleobiological study. Entomonograph, 1, 1–192.
  26. Linnaeus, C. (1758) Systema natura per regna tria naturae secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio decima, reformata. Tomus I. Salvii, Holmiae, 824 pp.
  27. Nadein, K.S., Perkovsky, E.E. & Moseyko, A.G. (2016) New Late Eocene Chrysomelidae (Insecta: Coleoptera) from Baltic, Rovno and Danish ambers. Papers in Palaeontology, 2, 117–137.
  28. Perkovsky, E.E. (2016) Tropical and Holarctic ants in Late Eocene ambers. Vestnik zoologii, 50 (2), 111–122.
  29. Perkovsky, E.E. (2017) Comparison of biting midges of the Early Eocene Cambay amber (India) and Late Eocene European ambers supports the independent origin of European ambers. Vestnik Zoologii, 51 (6), 275–284.
  30. Perkovsky, E.E. (2018) Only a half of species of Hymenoptera in Rovno amber is common with Baltic amber. Vestnik Zoologii, 52 (5), 353–360.
  31. Perkovsky, E.E., Olmi, M., Müller, P., Jarzembowski, E.A., Capradossi, L. & Rasnitsyn, A.P. (2021) A review of the fossil Embolemidae (Hymenoptera: Chrysidoidea), with description of seven new species and history of the family. Cretaceous Research, 121, 104708.
  32. Piton, L.-E. (1940) Paléontologie du gisement Éocène de Menat. Mémoires de la Société D'Histoire Naturelle D'Auvergne, 1, 1–305.
  33. Poinar, G. (2023) Supella dominicana, a new species of cockroach (Blattida: Ectobiidae) with developed spermatids in Dominican amber. Biologia, 78 (6), 1731–1738.
  34. Rehn, J.W.H. (1931) African and Malagasy Blattidae (Orthoptera), – Part I. Proceedings of the Academy of Natural Sciences of Philadelphia, 83, 305–387.
  35. Rehn, J.W.H. (1951) Classification of the Blattaria as indicated by their wings (Orthoptera). Memoirs of the American Entomological Society, 14, 1–134.
  36. Ross, A.J. (2019) The Blattodea (cockroaches), Mantodea (praying mantises) and Dermaptera (earwigs) of the Insect Limestone (late Eocene), Isle of Wight, including the first record of Mantodea from the UK. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 110 (3–4), 301–311.
  37. Roth, L.M. (2003) Systematics and phylogeny of cockroaches (Dictyoptera: Blattaria). Oriental Insects, 37, 1–186.
  38. Sendi, H. (2022) Highly specialized basal ectobiid cockroaches (Blattaria: Blattoidea) were rare in Burmese amber. Palaeontographica Abteilung A: Palaeozoology - Stratigraphy, 321 (1–6), 109–125.
  39. Sendi, H., Vršanský, P. & Azar, D (2023) Jordanian-Lebanese-Syrian cockroaches s.s. from Lower Cretaceous amber - Monograph. Biologia, 78 (6), 1447–1541.
  40. Shelford, R. (1910) On a collection of Blattidae preserved in amber, from Prussia. Zoological Journal of the Linnean Society, 30, 336–355.
  41. Simutnik, S.A. (2015) A new fossil genus of Encyrtidae (Hymenoptera: Chalcidoidea) from late Eocene Danish amber. Russian Entomological Journal, 24 (1), 73–75.
  42. Simutnik, S.A. & Perkovsky, E.E. (2017) Protocopidosoma gen. nov. (Hymenoptera, Chalcidoidea, Encyrtidae) from the late Eocene Danish amber. Paleontologicheskii Zhurnal, 2017 (3): 64–65. [In Russian]. [English translation: Simutnik, S.A. & Perkovsky, E.E. (2017) Protocopidosoma gen. nov. (Hymenoptera, Chalcidoidea, Encyrtidae) from the late Eocene Danish amber. Paleontological Journal, 51 (3), 288–290].
  43. Simutnik, S.A. & Perkovsky, E.E. (2018) Dencyrtus gen. nov. (Hymenoptera, Chalcidoidea, Encyrtidae) from the late Eocene Danish amber. Paleontologicheskii Zhurnal, 2018 (3), 67–68. [In Russian]. [English translation: Simutnik, S.A. & Perkovsky, E.E. (2018) Dencyrtus gen. nov. (Hymenoptera, Chalcidoidea, Encyrtidae) from the late Eocene Danish amber. Paleontological Journal, 52 (3), 290–293].
  44. Simutnik, S.A. & Perkovsky, E.E. (2023) Descripton of a new genus and species of Encyrtidae (Hymenoptera: Chalcidoidea) from Danish amber, based on a male specimen featuring an antenna with a distinct anellus. Zootaxa, 5369 (3), 437–445.
  45. Simutnik, S.A., Perkovsky, E.E., Khomych, M.R. & Vasilenko, D.V. (2021) First record of the Sulia glaesaria Simutnik, 2015 (Hymenoptera, Chalcidoidea, Encyrtidae) from Rovno amber. Journal of Hymenoptera Research, 88, 85–102.
  46. Simutnik, S.A., Perkovsky, E.E. & Vasilenko, D.V. (2020) Efesus trufanovi Simutnik gen. et sp. n. (Hymenoptera: Chalcidoidea: Encyrtidae) from late Eocene Danish amber. Russian Entomological Journal, 29 (3), 298–302.
  47. Simutnik, S.A., Pankowski, M.V. & Perkovsky, E.E. (2023) First record of Archaeocercoides puchkovi Simutnik, 2022 (Hymenoptera, Chalcidoidea, Encyrtidae) from late Eocene Danish amber. Palaeoentomology, 6 (6). [in press]
  48. Stephens, J.F. (1835) Illustrations of British Entomology; or, a Synopsis of Indigenous Insects: Containing their Generic and Specific Distinctions; with an Account of their Metamorphoses, Times of Appearance, Localities, Food, and Economy, as far as Practicable. Mandibulata. Vol. VI. Baldwin and Cradock, London, 240 pp.
  49. Storozhenko, S.Yu. (1998) Systematics, phylogeny and evolution of the grylloblattids (Insecta: Grylloblattida). Dal’nauka, Vladivostok, 207 pp. [In Russian]
  50. Vršanský, P. (1997) Piniblattella gen. nov. – the most ancient genus of the family Blattellidae (Blattodea) from the Lower Cretaceous of Siberia. Entomological Problems, 28, 67–79.
  51. Vršanský, P., Cifuentes-Ruiz, P., Vidlička, L., Čiampor, F. & Vega, F.J. (2011) Afro-Asian cockroach from Chiapas amber and the lost Tertiary American entomofauna. Geologica Carpathica, 62 (5), 463–475.
  52. Vršanský, P., Oružinský, R., Barna, P., Vidlička, L. & Labandeira, C. (2014) Native Ectobius (Blattaria: Ectobiidae) from the early Eocene Green River Formation of Colorado and its reintroduction to North America 49 million years later. Annals of the Entomological Society of America, 107 (1), 28–36.
  53. Vršanský, P., Oružinský, R., Aristov, D., Wei, D.-D., Vidlička, L. & Ren, D. (2017) Temporary deleterious mass mutation relate to originations of cockroach families. Biologia, 72 (8), 886–912.
  54. Vršanský, P., Poschmann, M.J. & Vidlička, Ľ. (2022) Oligocene pseudophyllodromiin cockroach from the Enspel Fossillagerstätte in Germany. Palaeontographica Abt A, 321 (1-6), 149–167.
  55. Weitschat, W. & Wichard, W. (2002) Atlas of plants and animals in Baltic Amber. Verlag Dr. Friedrich Pfeil, München, 256 pp.
  56. Westwood, J.O. (1839) An introduction to the modern classification of Insects. Vol. 1. Longman, Orme, Brown, Green, and Longmans, Paternoster-Row, London, 462 pp.