translation: Paleontological Journal, 41 (6), 696-702]. Fedotova, Z. A., Perkovsky, E. E. 2008. New taxa of gall midges (Diptera, Cecidomyiidae) from Dubrovitsa (Rovno amber). Vestnik Zoologii. 42 (1), 27-40 [In Russian]. Fedotova, Z. A., Perkovsky, E. E. 2015. New Gall Midges (Diptera, Cecidomyiidae, Stomatosematidi, Brachineuridi) from LateEocene amber of Gulyanka (Zhitomir Region, Ukraine). Paleontologicheskii Zhurnal, 3, 47-55 [In Russian, English translation: Paleontological Journal, 49 (3), 270-278]. Fedotova, Z. A., Perkovsky, E. E. 2016 a. New Gall Midges (Diptera
The Mastixiaceae (Cornales) were more widespread and diverse in the Cenozoic than they are today. The fossil record includes fruits of both extant genera, Mastixia and Diplopanax, as well as several extinct genera. Two of the fossil genera, Eomastixia and Mastixicarpum, are prominent in the palaeobotanical literature, but concepts of their delimitation have varied with different authors. These genera, both based on species described 93 years ago by Marjorie Chandler from the late Eocene (Priabonian) Totland Bay Member of the Headon Hill Formation at Hordle, England, are nomenclaturally fundamental, because they were the first of a series of fossil mastixioid genera published from the European Cenozoic. In order to better understand the type species of Eomastixia and Mastixicarpum, we studied type specimens and topotypic material using x-ray tomography and scanning electron microscopy to supplement traditional methods of analysis, to improve our understanding of the morphology and anatomy of these fossils. Following comparisons with other fossil and modern taxa, we retain Mastixicarpum crassum Chandler rather than transferring it to the similar extant genus Diplopanax, and we retain Eomastixia bilocularis Chandler [=Eomastixia rugosa (Zenker) Chandler] and corroborate earlier conclusions that this species represents an extinct genus that is more closely related to Mastixia than to Diplopanax.
: Федотова З. А., Перковский Е. Э. Но- вые таксоны галлиц (Diptera, Cecidomyiidae) из Дубровицы (ровенский янтарь). Fedotova, Z. A., Perkovsky, E. E. New gall midges of the tribe Leptosynini (Diptera, Cecidomyiidae) from the LateEocene Ambers and the classifi cation of the supertribe Heteropezidi // Paleontol. J. - 2009. - 43 , N 9. - P. 1101-1179. Fedotova, Z. A., Perkovsky, E. E. Gall midges of the supertribe Stomatosematidi (Diptera, Cecidomyiidae) in the Palaearctic Region with description of new taxa from the LateEocene Rovno amber. 1. Stomatosema, Vanchidiplosis
New Species of Stilbus (Coleoptera, Clavicornia, Phalacridae) from the Late Eocene Rovno Amber
The first Eocene species of Stilbus Seidlitz, 1872, S. bedovoyi Lyubarsky et Perkovsky, sp. n., is described from Late Eocene Rovno amber. S. bedovoyi is most similar to Stilbus atomarius (Linnaeus) and differs from it by smaller body size, strong and large punctation of elytra, and broadly oval apex of elytra.
Valid publication of new names of fossil plant taxa published since 1 January 1996 requires a diagnosis or description in English, besides other requirements included in the International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) adopted by the Eighteenth International Botanical Congress, Melbourne, Australia, July 2011 (McNeill et al. 2012). In order to validate names published from the late Eocene flora of the Staré Sedlo Formation, North Bohemia, diagnosed only in German (Knobloch et al. 1996), English translations are provided, including references to the type material and further relevant information.
Atomaria gedanicola Lyubarsky et Perkovsky, sp. n., a new cryptophagid species from Baltic amber is described. The new species is the first recorded Eocene Atomariinae. The new species is similar to A. fuscipes Gyllenhal. It differs from the latter in having pronotum flat, posterior angles of pronotum obtuse, and antenna short. The record of A. gedanicola syninclused with Ceratopogon biting midge supports the Late Eocene age of the Baltic amber, for the Holarctic affinities of both taxa are incompatible with the paratropical climate characteristic of the Mid-European Middle Eocene.
The Ants of the Genus Lasius (Hymenoptera, Formicidae) from Late Eocene European Ambers
Finds of the genus Lasius Fabricius in the Baltic, Bitterfeldian, Rovno, and Scandinavian Ambers (Late Eocene) are revised. Neotypes of L. pumilus Mayr, 1868 and L. punctulatus Mayr, 1868 are designated. A key to workers and gynes of Lasius species from the Late Eocene European ambers is compiled. All Lasius species from these ambers belong to the subgenus Lasius s. str. L. schiefferdeckeri Mayr, 1868 is one of most abundant ant species in the Late Eocene European ambers: it consists 15.2-19.5% of all ant specimens in Baltic Amber, 24.5% in Bitterfeldian Amber, 23.8% in Rovno Amber, and 23.6% in Scandinavian Amber of the examined collections. Based on the features of fossilization of this species, it is possible to assume that at least in part it constructed arboreal nests and made roads to aphids' colonies. The list of nine ant species found in syninclusions with L. schiefferdeckeri is provided.
References Bolton, B. 2003. Synopsis and classification of Formicidae. Memoirs of the American Entomological Institute , 71, 1–370. Dlussky, G. M., Radchenko, A. 2006. New ant genus from the lateEocene European amber. Acta Palaeontologica Polonica , 51 , 561–567.
Eocene amber of Europe. Paleontologichesky Zhurnal. 5, 45-59 [English translation: Paleontological Journal, 42 (5), 500-513]. Dlussky, G. M. 2010. Ants of the genus Plagiolepis Mayr (Hymenoptera, Formicidae) from LateEocene ambers of Europe. Paleontologichesky Zhurnal, 5, 64-73 [English translation: Paleontological Journal, 44 (5), 546-555]. Dlussky, G. M., Dubovikoff , D. A. 2013. Yantaromyrmex gen. n. - a new ant genus (Hymenoptera: Formicidae) from LateEocene ambers of Europe. Caucasian Entomological Bulletin, 9 (2), 305-314. Dlussky, G. M., Perfilieva, K. S. 2014
erosion. Paleoceanography 2, 1-19. Miller K. G., Wright J. D. & Fairbanks R. G. 1991: Unlocking the ice house: Oligocene-Miocene oxygen isotopes, eustasy, and margin erosion. J. Geophys. Res. 96, 6829-6848. Miller K. G., Wright J. D., Katz M. E., Wade B. S., Browning J. V., Cramer B. S. & Rosenthal Y. 2009: Climate threshold at the Eocene-Oligocene transition: Antarctic ice sheet influence on ocean circulation. In: Koeberl C. & Montanari A. (Eds.): The LateEocene Earth-hothouse, icehouse, and impacts. Geol. Soc. Amer., Spec. Pap. , 169-178. Nagymarosy A