Abstract
Thirty-nine species of sawfly (Symphyta) are recorded for the first time in Bulgaria. Most of these were collected during early spring of 2018, in the south-east of the country (Burgas and Varna Provinces).EmpriaaridicolaMacek & Prous,sp. nov.is described as new to science from specimens collected in several central, east and south European countries. Lectotypes are designated forPoecilosomaparvulaKonow, 1892,EmpriapraveiDovnar-Zapolskij, 1925 andE.pseudoklugiDovnar-Zapolskij, 1929.EmpriapraveiandSciapteryxbyzantinaBenson, 1968 are at present only known in Europe from the coastal zone of the Black Sea. The new Bulgarian records ofHoplocampacantotiChevin, 1986 andNeomessasteusloffi(Konow, 1892) represent large extensions in their recorded ranges, previously comprising respectively only northern France, and north-eastern Germany. Possible host plant associations are noted for several species, based on observations of adults.
Highlights
The first modern inventory of sawflies (Symphyta) recorded in Bulgaria was by Hellén (1967) who listed 107 species
Empria pravei and Sciapteryx byzantina Benson, 1968 are at present only known in Europe from the coastal zone of the Black Sea
Because in Bulgaria we found E. pravei and E. parvula in the same places at the same time and never observed overlap with regard to leg colouration, we consider E. pravei to be a distinct species
Summary
The first modern inventory of sawflies (Symphyta) recorded in Bulgaria was by Hellén (1967) who listed 107 species. After the publication of several subsequent works on the Bulgarian sawfly fauna, most significantly those by Vassilev (1978), Meitzner and Taeger (1982), and Taeger (1987), the number of recorded species rose to 346 definitely present, and two in need of confirmation, as collated in a survey of the European sawfly fauna (Taeger et al 2006). Published records of some species already recorded in Bulgaria were overlooked during the compilation of the latter work (Georgiev 1990; Stoyanov and Ljobomirov 2000; Georgiev et al 2002, 2004), and a small number of other species have been added since 2006 (Georgiev 2006; Blank et al 2013; Doychev 2015). The total number of species known in Bulgaria remains rather low considering the high diversity of habitats and climatic zones in the country. We collected mainly in south-eastern Bulgaria, generally not far from the Black Sea, in the Burgas
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