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The aim of this study was to determine Coleoptera succession in pig carcasses in Eskişehir Province, Turkey, and to evaluate differences in successional patterns between rural and urban habitats. A total of 24 pig carcasses were placed in rural and urban areas in Eskişehir Province for one-year period between June 2012 and May 2013. A total of 80 species belonging to the families Staphylinidae, Histeridae, Dermestidae, Silphidae and Cleridae (Coleoptera) were collected either directly from carcasses or sifted for the specimens hiding in the soil. The months and duration of all species on the different stages of carcass decomposition were recorded. In addition, new records were added to the Coleoptera fauna of carcass for Turkey. The study revealed that, both species number and activity periods were different even in areas very close to each other. It is suggested that this type of long-term succession study should be performed across all provinces of Turkey. Acquired data could potentially be used for estimating the minimum post-mortem interval in forensic cases in Turkey.

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In this study, a new Aleocharinae Fleming, 1821 (Coleoptera: Staphylinidae) species, Leptusa (Roubaliusa) giresunensis sp. n. (Coleoptera: Staphylinidae: Aleocharinae), is described from Giresun Province in Turkey. The study was conducted between March 2013 and March 2016 in the Eastern Black Sea Region and new species was collected in 2014-2015. Photographs of the habitus are given and antenna, aedeagus, spermatheca, and both male and female sternite VII-VIII and tergite VIII are illustrated for the new species. Furthermore, species list of the Leptusa for Turkey, identification key and maps of the new species and congeners are given. The habitus, aedeagus and spermatheca are distinguished from similar species Leptusa trapezuntis

In this study, a new Aleocharinae (Coleoptera: Staphylinidae) species from Turkey, Gyrophaena cagatay sp. n. (Aksaray), is described and illustrated. In addition, new records are presented for seven species: Atheta hygrotopora (Kraatz, 1856), Atheta incognita (Sharp, 1869), Atheta ripicola Hanssen, 1932, Brachyusa concolor Erichson, 1839, Ischnopoda leucopus (Marsham, 1802), Ischnopoda subaenea Eppelsheim, 1890, and Liogluta granigera Kiesenwetter, 1850. Photographs of the habitus of male and female specimens are presented. The 8th tergite and aedeagus of the male and the spermatheca of the female are also illustrated for the new species. Differential diagnosis guidelines are given for comparisons with Gyrophaena rousi Dvořak, 1966.

In this study, distribution of Steninae (Coleoptera: Staphylinidae) subfamily in Turkey was comprehensively evaluated and compared with the fauna of Turkey's neighboring countries and the Palaearctic Region. The current literature indicates that there are 130 Steninae species in Turkey, and approximately 17.5% (23 species) of these species are endemic to Turkey. This study presents the results of an analysis of the similarity between Turkey and its neighboring countries and the Palaearctic region. The Black Sea region has the most species (87 species) and the highest number of endemic species (15 species) in Turkey. An analysis of the similarity between Turkey's regions revealed that the Central Anatolia Region and the Eastern Anatolia Region are the most similar to each other, with a similarity rate of 75%. In terms of similarity with other countries, the Steninae fauna of Turkey is most similar to that of Greece and Bulgaria, with a similarity rate of 43%. Compared to other sub-regions of the Palaearctic, the Steninae fauna of Turkey is more similar to the Middle Eastern fauna, with a similarity rate of 29%.