A new species of Tychobythinus Ganglbauer, 1896 (Coleoptera: Staphylinidae: Pselaphinae) from Turkey

Abstract A new species of the genus Tychobythinus Ganglbauer, 1896, T. oculatus sp. n., is described from near Köyceğiz, Muğla Province, in southwestern Turkey. The new species is morphologically closely related to T. abnormipes Reitter, 1910, and T. pauper Kiesenwetter, 1858, but can be readily distinguished from both by having very simplified internal armature of the aedeagus, and by the specific shape of the gular depression

Coleoptera and Lepidoptera (Insecta) diversity in the central part of Sredna Gora Mountains (Bulgaria)

Despite the proximity of Sredna Gora Mountains to Sofia, the insect assemblages of this region are poorly studied. As a result of two studies carried out as a part of an Environmental Impact Assessment in the Natura 2000 Protected Areas: Sredna Gora and Popintsi, a rich diversity of insects was discovered, with 107 saproxylic and epigeobiont Coleoptera species and 355 Lepidoptera species recorded. This research was conducted during a short one-season field study in the surrounding areas of the town of Panagyurishte and Oborishte Village. Special attention was paid to protected species and their conservation status. Of the Coleoptera recorded, 22 species were of conservation significance. Forty-five Lepidoptera species of conservation importance were also recorded.peer-reviewe

Data on the distribution of Osmoderma barnabita Motschulsky, 1845 (Coleoptera: Cetoniidae) in Bulgaria from 1904 to 2022

The hermit beetle, Osmoderma eremita s.l. (Scopoli 1763), is a species complex of scarab saproxylic beetles listed in the IUCN Red List of Threatened Species and protected in Bulgaria by Bern Convention, the Habitats Directive, and the Bulgarian Biodiversity Act. The taxonomic status of the species complex in Bulgaria is not fully known. It is believed that Osmoderma barnabita Motschulsky, 1845 is the main species present in the country, but it is also possible that Osmoderma lassalei Baraud and Tauzin, 1991 exists in the southernmost parts, where is the northern limit of its distribution. Data collected over the years on the presence of O. barnabita are very scarce due to its hidden lifestyle and lack of interest from the scientists. The present study aims to summarise all available data on O. barnabita in Bulgaria (literature, National Natural History Museum - Bulgarian Academy of Sciences collection, field work, and citizen science) for the period from 1904 to 2022. A map of the current species distribution was generated. The altitudinal distribution ranged from 0 to 1700 m, mainly in mountainous areas with well-preserved forests. Eighty-three percent of the records with exact coordinates were from forests aged above 50 years, and 35% were from forests aged above 100 years. There were also individual records from cities, showing the need to protect urban green spaces and the old trees within them. Based on the results obtained, O. barnabita is newly registered for six Natura 2000 sites, confirmed in 18 sites; and for the remaining 18, where it is included in the standard data forms based on modelling its habitat, additional studies are needed to confirm or exclude it

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Current and predicted distribution of the rare and threatened beetle Bolbelasmus (Bolbelasmus) unicornis (Coleoptera: Geotrupidae) in Serbia

Bolbelasmus (Bolbelasmus) unicornis (Schrank, 1789) (Coleoptera: Geotrupidae) is a rare and threatened beetle distributed mostly in Central, Eastern and Southeast Europe. As a species of special conservation significance it is included in Annexes II and IV of the Habitat Directive of the European Union. Several new records of this species documented using light traps and soil sampling were recently reported in Serbia (the central part of the Balkan Peninsula). In this paper we present and discuss the current distribution of this species in the region studied based on GIS occurrence data. The distribution is mapped and values of environmental variables within this beetle's range are quantified using GIS technology. In addition, we predict its potential range in Serbia using a model based on the current distribution of this beetle, environmental variables and distribution of its food source

Distribution and current status of Hermit Beetle populations in Natura 2000 protected areas in Bulgaria

The first information about this species in Bulgaria was reported by Yoakimov, Markovic and Nedelkov between 1904 and 1909. Since then, data about O. barnabita from Bulgaria was only published in four papers between 1960 and 2005. In general, about 20 localities were known for this species, mainly in the South-western and South-eastern parts of Bulgaria. This communication provides an overview of the problems related to the proper taxonomical status, new distribution information, habitat modelling, monitoring and appropriate measures for protection and conservation of O. barnabita.peer-reviewe

Unexpected Coleoptera and Lepidoptera (Insecta) biodiversity in the surroundings of a copper mine in Sredna Gora Mountains (Bulgaria)

This research was conducted during a short one-season field study of the surrounding areas of Sredna Gora Mountains to Sofia. A rich diversity of insects was discovered, with 103 Coleoptera species and 315 Lepidoptera species recorded.peer-reviewe

A new species of Tychobythinus Ganglbauer, 1896 (Coleoptera: Staphylinidae: Pselaphinae) from Turkey

A new species of the genus Tychobythinus Ganglbauer, 1896, T. oculatus sp. n., is described from near Köyceğiz, Muğla Province, in southwestern Turkey. The new species is morphologically closely related to T. abnormipes Reitter, 1910, and T. pauper Kiesenwetter, 1858, but can be readily distinguished from both by having very simplified internal armature of the aedeagus, and by the specific shape of the gular depression

The subfamily Pselaphinae (Coleoptera: Staphylinidae) of Southwestern Bulgaria II: Belasitsa Mts

Abstract: New data about the Pselaphinae fauna of South-Western Bulgaria (Belasitsa Mts) are presented. Bythinus angustioculus sp. n. is described. The genus Protamaurops Müller, 1944 and the species Plectophloeus nubigena (Reitter, 1877) and Bryaxis leonhardi Reitter, 1902 are reported for the first time in Bulgaria

Delenda carthago Croissandeau 1891

Delenda carthago Croissandeau, 1891 (Figs. 3 a, 6 a, 8) Delenda carthago Croissandeau, 1891: 152 (original description). Delenda carthago Croissandeau: Raffray, 1904: 500 (catalogue); Raffray, 1911: 7 (catalogue); Löbl and Besuchet, 2004: 295 (catalog); Anlaş, 2009: 239 (catalog). Material examined. (13 ♂♂, 17 ♀♀). Holotype: (1 ♀) Asia Minor / Delenda carthago (MNHN); (10 ♂♂, 9 ♀♀) Turkey, Balikesir, Kaz Dagi Ayazma, N 39.74583 E 26.84786, 500 m, 11.04. 2010, leg. Brachat & Meybohm; (1 ♂, 1 ♀) Turkey, Canakkale, Kaz Dagi Ayazma, N39.75000 E28.83500, 440 m, 11.04. 2010, leg. Brachat & Meybohm; (2 ♀♀) Turkey, Belikesir, Kurucam Tepe, N 39.68583 E 27.15931, 740 m, 13.04. 2010, leg. Brachat & Meybohm; (1 ♂, 3 ♀♀) Turkey, Belikesir, Kurucam Tepe, N 39.69422 E 27.14214, 708 m, 13.04. 2010, leg. Brachat & Meybohm; (1 ♂, 1 ♀) Turkey, Canakkale, Kaz Dagi-Gebiet, ca. 30 km NO Edremit, Kurucam Tepe, N 39.72478 E 27.18364, 428 m, 14.04. 2010, leg. Brachat & Meybohm (MNHN, NMNHS, PCPH, PCVB). Redescription. Male, length 1.41–1.53 mm. Head slightly wider than long, HL 0.22–0.26 mm, HW 0.28–0.32 mm; eyes each composed of about 10–20 facets. Antennal length 0.50 – 0.52 mm. Labrum as in Fig. 3 a. Pronotum about as long as wide, PL 0.28–0.34 mm, PW 0.32–0.34 mm. Elytra wider than long, EL 0.22–0.26 mm, EW 0.36– 0.40 mm. Legs short, without any modiffications. Abdomen with first visible tergite (IV) wider than long (0.44– 0.48 / 0.18–0.20 mm); second (V) — 0.50–0.52 / 0.20–0.21 mm; third (VI) — 0.46–0.50 / 0.21–0.22 mm. Length of aedeagus 0.32–0.36 mm, as in Fig. 6 a; parameres with large base parallel–sided and slender, curved laterally in middle part, apex rounded. Female. Similar to male: BL 1.53–1.62 mm, HL 0.24–0.26 mm, HW 0.32–0.34 mm, PL 0.30–0.31 mm, PW 0.32–0.34 mm, EL 0.23–0.24 mm, EW 0.46–0.48 mm. Differential diagnosis. All species are very similar in habitus, differing only in the shape of the aedeagus and the labrum. Biology. All specimens were collected in leaf litter of Platanus orienalis and Corylus sp. Distibution. Turkey, western part of Belikesir province (Fig. 8).Published as part of Bekchiev, Rostislav & Brachat, Volker, 2014, Revision of the genus Delenda Croissandeau, 1891 (Coleoptera: Staphylinidae: Pselaphinae), pp. 583-592 in Zootaxa 3765 (6) on pages 584-586, DOI: 10.11646/zootaxa.3765.6.6, http://zenodo.org/record/22803