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A total of 327 species of Agromyzidae has been recorded from the Gemer area and for 245 of these species new data are given. Altogether 89 species are ascertained to occur in the Gemer area for the first time. Of this number, 35 species are new additions to the fauna of Slovakia, viz. Agromyza filipendulae Spencer, 1976, A. myosotidis Kaltenbach, 1864, Amauromyza (Amauromyza) rameli Černý, 2011, Am. (Cephalomyza) flavifrons (Meigen, 1830), Aulagromyza populicola (Haliday in Walker, 1853), Cerodontha (Butomomyza) rohdendorfi Nowakowski, 1967, C. (Cerodontha) coxalis Martinez, 1987, C. (C.) xanthocera Hendel, 1920, C. (Dizygomyza) eriophori Nowakowski, 1972, C. (Poemyza) beigerae Nowakowski, 1973, C. (P.) kerteszi (Hendel, 1931), Chromatomyia dorsata (Hendel, 1920), Liriomyza bryoniae (Kaltenbach, 1858), L. coronillae Pakalniškis, 1994, L. dracunculi Hering, 1932, Melanagromyza lappae (Loew, 1850), M. limata Spencer, 1971, M. verbasci Spencer, 1957, Napomyza inquilina (Kock, 1966), Ophiomyia crispa Guglya, 2013, O. gnaphalii Hering, 1949, O. submaura Hering, 1926, Phytobia cerasiferae (Kangas, 1955), Phb. errans (Meigen, 1830), Phb. mallochi (Hendel, 1924), Phytoliriomyza perpusilla (Meigen, 1830), Phl. variegata (Meigen, 1830), Phytomyza aconiti Hendel, 1920, Ph. anemones Hering, 1925, Ph. astrantiae Hendel, 1924, Ph. bipunctata Loew, 1858, Ph. kugleri Spencer, 1974, Ph. leucanthemi Hering, 1935, Pseudonapomyza balkanensis Spencer, 1973 and Ps. vota Spencer, 1973. The biogeographically most important are records of Amauromyza (Am.) rameli, Cerodontha (C.) xanthocera, C. (P.) kerteszi, Chromatomyia dorsata, Phytomyza kugleri and Pseudonapomyza vota being from their northernmost occurrence limits and usually the first record from Central Europe. Cerodontha (Dizygomyza) eriophori (first record outside Poland) has been found in a new southernmost locality, similarly as was also Chromatomyia rhaetica Griffiths, 1980. The biodiversity of species of the family Agromyzidae in particular large-sized protected areas of the Gemer region is discussed. Thanks to recent intensive research, the highest number of species was found in the Muránska planina National Park (250) and in the Cerová vrchovina PLA (198), which is significantly more than in the other protected areas of similar extent in Slovakia that have been studied in detail for Diptera up to the present. A new checklist of Agromyzidae for the fauna of Slovakia is presented, which now includes 414 species. [ABSTRACT FROM AUTHOR]

Anthomyza gilviventris Roháček & Barber, 2016, hitherto known only from the Nearctic Region, is recorded from the Palaearctic Region (NE Sweden) for the first time. Specimens from the Swedish population have been compared with those of A. gilviventris from Canada and the USA and those of A. tschirnhausi Roháček, 2009 from the Kamchatka Peninsula (Far East of Russia). Both morphological and molecular analyses (BI and RAxML, based on seven DNA markers: 12S, 16S, 28S, COI, COII, CytB, ITS2) confirmed that the Swedish specimens belong to A. gilviventris. Because no specimen of A. tschirnhausi has been available for molecular study, the most diagnostic morphological characters used for separation of this species from A. gilviventris have been re-evaluated with respect to Swedish specimens, and their variability discussed. However, these differences, although stable, are relatively small and, consequently, the possibility that they fall within the limits of a single variable species has not been entirely eliminated. New biological information (habitat and host-plant associations) on the Swedish population of A. gilviventris is presented. [ABSTRACT FROM AUTHOR]

Simple Summary: The first finding of a schizophoran fly in Oise amber (France) proved to belong to an extinct genus Hemilauxania Hennig, 1965 (Acalyptratae: Lauxaniidae), known previously only from Baltic amber (ca 48–34 Ma). It is described as a new species, H. parvula, and because it originates from the lower Eocene (about 53 Ma) it is apparently the oldest known representative of Acalyptratae as well as of Schizophora (Diptera). Hemilauxania parvula sp. nov., a new fossil species of the family Lauxaniidae (Diptera: Acalyptratae), is described and illustrated from Oise amber, France (Eocene, lower Ypresian, ca 53 Ma), and its relationship is discussed. Inasmuch as this first finding of a member of Schizophora in Oise amber probably represents the oldest known record of this group of Diptera, the age of Schizophora, based on the known fossil records, is discussed. [ABSTRACT FROM AUTHOR]