TY - JOUR T1 - The Subfamily Pselaphinae (Coleoptera: Staphylinidae) of South-western Bulgaria: Rila and Pirin Mountains JF - Acta Zoologica Bulgarica Y1 - 2022 A1 - Bekchiev, R. A1 - Kostova, R. SP - 169 EP - 174 VL - 74 ER - TY - JOUR T1 - Endogean and Cavernicolous Coleoptera of the Balkans. XX. Notes on the genus Protamaurops J. Müller, 1944 (Coleoptera: Staphylinidae: Pselaphinae) with the description of a new species from Bulgaria JF - Zootaxa Y1 - 2020 A1 - Bekchiev, R. A1 - Hlaváč, P. SP - 367–378 VL - 4779 ER - TY - JOUR T1 - Coleoptera and Lepidoptera (Insecta) diversity in the central part of Sredna Gora Mountains (Bulgaria) JF - Bulletin of the Entomological Society of MaltaBulletin of the Entomological Society of Malta Y1 - 2019 A1 - Kostova, R. A1 - Bekchiev, R. A1 - Beshkov, S. SP - 75 EP - 95 VL - 10 ER - TY - JOUR T1 - Inventory of selected groups of invertebrates in sedge and reedbeds not associated with open waters in Bulgaria JF - Acta Zoologica Bulgarica Y1 - 2018 A1 - Langourov, M. A1 - Simov, N. A1 - Bekchiev, R. A1 - Chobanov, D. A1 - Antonova, V. A1 - Dedov, I. SP - 487 EP - 500 VL - 70 JO - Inventory of selected Groups of invertebrates in sedge and reedbeds not associated with open waters in Bulgaria ER - TY - BOOK T1 - Soil and cave invertebrates from the village Gintsi area T2 - Speleological Studies of Caves in Godech Municipality Y1 - 2016 A1 - Kostova, R. A1 - Lazarov, S. A1 - Bekchiev, R. A1 - Goranov, S. A1 - Simov, N. A1 - Beshkov, S. ED - Toshkova, V. ED - Tachev, I. SP - 116 JF - Speleological Studies of Caves in Godech Municipality PB - Association of Speleoclubs in Sofia CY - Sofia SN - ISBN 978-619-90659-1-4 ER - TY - THES T1 - Faunistical research on Pselaphinae fauna (Coleoptera: Staphylinidae) in several regions of south-west Bulgaria T2 - Zoology and anthropology Y1 - 2007 A1 - Bekchiev, R. SP - 131 JF - Zoology and anthropology PB - Sofia University 'St. Climent Ohridski" CY - Sofia VL - PhD ER - TY - JOUR T1 - First purposive study of beetles (Coleoptera) from endogean environments in Bulgaria: collection sites and preliminary results JF - Biodiversity JournalBiodiversity Journal Y1 - 2015 A1 - Bekchiev, R. A1 - Guéorguiev, B. SP - 327–340 VL - 6 ER - TY - CONF T1 - New and interesting records of the MSS and cave fauna of Vitosha Mt., Bulgaria T2 - Balkan Speleological Conference “Sofia’2014”,Sofia, Bulgaria, 28 – 30 March 2014 Y1 - 2014 A1 - Langourov, M. A1 - Lazarov, S. A1 - Stoev, P. A1 - Guéorguiev, B. A1 - Deltshev, Ch. A1 - Petrov, B. A1 - Andreev, S. A1 - Simov, N. A1 - Bekchiev, R. A1 - Antonova, V. A1 - Ljubomirov, T. A1 - Dedov, I. A1 - Georgiev, D. SP - 66 EP - 76 AB -
JF - Balkan Speleological Conference “Sofia’2014”,Sofia, Bulgaria, 28 – 30 March 2014 PB - Caving Club “Helictite” – Sofia CY - Sofia ER - TY - JOUR T1 - Revision of the genus Delenda Croissandeau, 1891 (Coleoptera: Staphylinidae: Pselaphinae) JF - Zootaxa Y1 - 2014 A1 - Bekchiev, R. A1 - Brachat, V. SP - 583–592 KW - taxonomy, revision, Faronini, new species, Bulgaria, Turkey AB -

The genus Delenda Croissandeau, 1891 is revised and redescribed. The taxonomic position of the Delenda frivaldszkyi Reitter, 1893 is discussed, and its species status is resurrected. Delenda carthago Croissandeau, 1891, and D. frivaldszkyi Reitter, 1893 are redescribed. One new species D. rhodopensis sp. n. is described.  

VL - 3765 ER - TY - JOUR T1 - Variability in the structure of the aedeagus of Dicentrius rousi Besuchet 1999 ( Coleoptera: Staphylinidae: Pselaphinae). JF - Acta Zoologica Bulgarica Y1 - 2008 A1 - Bekchiev, R. SP - 25 EP - 28 AB -
VL - Supplementum 2 ER - TY - CHAP T1 - A study of the Pselaphinae (Coleoptera, Staphylinidae) in the Rhodope Mountains (Bulgaria) T2 - Biodiversity of Bulgaria 4. Biodiversity of Western Rhodopes (Bulgaria and Greece) II. Y1 - 2011 A1 - Bekchiev, R. ED - Beron, P. SP - 267—278 AB -
JF - Biodiversity of Bulgaria 4. Biodiversity of Western Rhodopes (Bulgaria and Greece) II. PB - Pensoft Publishers & National Museum of Natural History, Bulgarian Academy of Sciences CY - Sofia ER - TY - JOUR T1 - Faunistic review and description of a new species of Pselaphinae (Coleoptera:Staphylinidae) from the Strandzha Mountains (Bulgaria and Turkey) JF - Turkish Journal of Zoology Y1 - 2013 A1 - Bekchiev, R. SP - 431 EP - 440 AB -
VL - 37 ER - TY - JOUR T1 - Description of a new species of Trimium Aubé, 1833 (Staphylinidae: Pselaphinae) from Bulgaria and Greece JF - Acta zoologica bulgarica Y1 - 2013 A1 - Bekchiev, R. SP - 289—291 AB -
VL - 65 ER - TY - JOUR T1 - A contribution to the Pselaphinae fauna (Coleoptera: Staphylinidae) of the Vitosha Mountain JF - Acta Zoologica Bulgarica Y1 - 2007 A1 - Bekchiev, R. A1 - Shishiniova, M. SP - 33 EP - 39 AB -
PB - Bulgarian Academy of Sciences VL - 59 ER - TY - JOUR T1 - Description d'un nouveau Batrisodes de la Bulgarie (Coleoptera: Staphylinidae: Pselaphinae). JF - Historia Naturalis Bulgarica Y1 - 2007 A1 - Besuchet, C. A1 - Bekchiev, R. SP - 75 EP - 80 AB -
VL - 18 ER - TY - JOUR T1 - Contribution to the knowledge of myrmecophilous beetles (Coleoptera) of Bulgaria. JF - Acta Societatis Zoologicae Bohemicae Y1 - 2007 A1 - Hlaváč, P. A1 - Bekchiev, R. A1 - Růžička, J. A1 - Lackner, T. SP - 131 EP - 136 AB -
VL - 71 ER - TY - JOUR T1 - The subfamily Pselaphinae (Coleoptera: Staphylinidae) of southwestern Bulgaria II: Belasitsa Mts. JF - Biologia (Bratislava) Y1 - 2011 A1 - Bekchiev, R. SP - 506 EP - 508 AB -

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

VL - 66 ER - TY - JOUR T1 - The subfamily Pselaphinae (Coleoptera: Staphylinidae) of southwestern Bulgaria. I. JF - Historia Naturalis Bulgarica Y1 - 2008 A1 - Bekchiev, R. SP - 51 EP - 71 AB -
VL - 19 ER -