Earthworms of Belarus (Annelida: Megadrili) Author Shekhovtsov, Sergei V. Institute of Cytology and Genetics SB RAS, pr. Lavrientieva 10, 630090, Novosibirsk, Russia. & Institute of Biological Problems of the North FEB RAS, Portovaya 18, 685000, Magadan, Russia. Author Derzhinsky, Yevgeniy A. Vitebsk State University named after P. M. Masherov, Moskovskiy Avenue 33, 210038, Vitebsk, Belarus. Author Ermolov, Sergei A. Center for Forest Ecology and Productivity RAS, Profsoyuznaya 84 / 32 b. 14, 117997, Moscow, Russia. Author Kim-Kashmenskaya, Maria N. Department of General Biology and Ecology, Novosibirsk State University, Pirogova 2, 630090, Novosibirsk, Russia. mashust @ gmail. com Author Poluboyarova, Tatiana V. Institute of Cytology and Genetics SB RAS, pr. Lavrientieva 10, 630090, Novosibirsk, Russia. Author Kotsur, Vladimir M. Vitebsk State University named after P. M. Masherov, Moskovskiy Avenue 33, 210038, Vitebsk, Belarus. Author Golovanova, Elena V. Omsk State Pedagogical University, Naberezhnaya Tukhachevskogo 14, 644099, Omsk, Russia. text Zootaxa 2023 2023-03-15 5255 1 38 61 http://dx.doi.org/10.11646/zootaxa.5255.1.9 journal article 54946 10.11646/zootaxa.5255.1.9 04637a6f-bd64-4f74-aadd-e8d2549c8b35 1175-5326 7745192 3C842746-485F-4B1F-AC1D-F885AC4C4DFC Dendrobaena octaedra (Savigny) Helodrillus (Dendrobaena) octaedrus : Michaelsen 1910: 51 . Dendrobaena octaedra : Malevich 1937: 129 ; Malevich 1953: 40 ; Perel 1979: 229 . Peregrine, especially widespread in the boreal zone. Epigeic. Distribution ( Fig. 2f ): Brest Reg. : Baranovichi Distr. , 53°12’29.45”N , 26°06’35.53”E , black alder forest on the bank of Shchara River , 04.05.2019 , 2 ex. ; Kamenets Distr. , 3.4 km SE of Lyatskie vill., 52°35’17.88”N , 23°52’30.32”E , hornbeamoak forest with spruce, 06.05.2019 , 17 ex. ; bank of Lyatskie reservoir, 52°37’32.84”N , 23°51’33.55”E , onshore sediment, 06.05.2019 , 2 ex. ; same location, black alder forest, 1 ex. ; Pinsk Distr. , Izin vill. env., 52°02’28.88”N , 25°55’32.38”E , 18.05.2014 , 1 ex. ; Konyukhi vill. env., 52°0’53.66”N , 26°25’21.38”E , floodplain of Styr River , 17.05.2014 , 1 ex. ; Pruzhany Distr. , Vybrody vill., 52°44’26.16”N , 24°11’47.44”E , black alder forest, 07.05.2019 , 7 ex. ; Stolin Distr. , 9 km SW of Tereblichi vill., 51°58’25.70”N , 27°25’1.29”E , 17.05.2014 , 1 ex. ; 18 km S of Tereblichi vill., 51°51’25.90”N , 27°24’2.30”E , dry pine forest ( Pinus sylvestris ), under pine bark, 24.07.2020 , 1 ex. Gomel Reg. : Bragin Distr. , Vyal’e vill. env., 51°32’18.89”N , 30°29’40.65”E , black alder forest with Carex , 14.05.2020 , 4 ex. ; Vyal’e vill. env., 51°33’16.50”N , 30°30’04.30”E , edge of Morozovka Riv. floodplain, forest litter and soil, 8 ex. ; Chechersk Distr. , Volosovichi vill. env., 52°59’10.68”N , 31°09’16.09”E , black alder forest, 16.05.2020 , 6 ex. ; Gomel Distr. , Chonki vill. env., 52°19’21.30”N , 30°57’11.29”E , oak-black alder forest, near the oxbow, 10.06.2014 , 1 ex. ; Dobrush vill., 52°10’42.76”N , 30°43’13.39”E , canal bank, 16.05.2020 , 1 ex. ; Kalinkovichi Distr. , Kozlovichi vill., 52°22’39.47”N , 29°21’02.38”E , black alder forest with Urtica sp. , 24.10.2020 , 1 ex. ; Lelchitsy Distr. , Markovskoe vill. env., 51°42’43.74”N , 28°11’08.02”E , bank of Ubort River , under the bark of a fallen tree, 26.07.2020 , 2 ex. ; Loev Distr. , Sutkovo vill. env., 52°01’54.77”N , 30°41’32.68”E , black alder forest, 15.05.2020 , 10 ex. ; Mozyr Distr. , Strel’sk vill. env., 51°56’44.70”N , 29°26’32.10”E , hornbeam-oak forest, 12.05.2014 , 1 ex. ; same location, hornbeam-oak forest in the ravine, under the bark of fallen trees and in forest litter, 13.05.2020 , 6 ex. ; Strel’sk vill. env., 51°56’44.70”N , 29°26’32.10”E , hornbeam-oak forest in the ravine, under the bark of fallen trees and in the soil, 13.05.2020 , 2 ex. ; Mozyr , 52°01’50.41”N , 29°15’24.98”E , deciduous forest in a ravine, 13.05.2020 , 2 ex. ; Svetlogorsk Distr. , 2.5 km N of Chirkovichi vill., 52°40’55.51”N , 29°39’34.90”E , meadow and willow bushes in floodplain of Berezina River , 28.07.2020 , 2 ex. ; Zhitkovichi Distr. , 2 km NE of Hlupin vill., 52°04’06.58”N , 28°09’22.68”E , floodplain oak forest, 13.05.2014 , 1 ex. ; Sluch station env., 52°13’09.12”N , 27°33’08.64”E , floodplain oak forest, 16.05.2014 , 1 ex. ; same location, oak forest in Sluch River floodplain, under the bark of the aspen, 23.07.2020 , 1 ex. ; Bechanskaya Buda vill. env., 52°01’32.52”N , 27°55’50.52”E , hornbeamoak forest, 13.05.2014 , 1 ex. Grodno Reg. : Lida Distr. , Biskuptsy vill. env., 53°50’25.44”N , 25°34’19.16”E , meadow, 08.05.2019 , 2 ex. ; Mosty Distr. , Pravye Mosty , 53°25’40.55”N , 24°38’10.54”E , black alder forest in Neman River floodplain, 07.05.2019 , 2 ex. ; Oshmyany Distr. , Kozlovschina vill. env., 54°12’51.23”N , 25°57’58.10”E , black alder grove with maple, near the river, 08.05.2019 , 2 ex. ; Svisloch Distr. , Kusentsy vill. env., 52°57’25.45”N , 24°22’39.32”E , meadow, 07.05.2019 , 1 ex. ; Smorgon Distr. , 54°22’17.36”N , 26°22’43.21”E , black alder grove in stream valley, 08.05.2019 , 2 ex. ; Krevo settl., 54°18’32.78”N , 26°16’59.38”E , lawn near the castle, under the stones, 08.05.2019 , 2 ex. Minsk Reg. : Borisov Distr. , Brody vill. env., 54°39’11.99”N , 28°14’23.42”E , Berezinsky Biosphere Reserve , black alder forest in Berezina Riv. floodplain, 07.08.2020 , 2 ex. ; Kletsk Distr. , Gritsevichi vill. env., 52°58’05.05”N , 26°42’41.98”E , meadow in the floodplain of Lan’ River , 09.08.2020 , 1 ex. ; Krupki Distr. , 54°26’31.13”N , 29°18’43.06”E , field, 28.08.2020 , 1 ex. ; Minsk , 53°54’52.70”N , 27°37’04.04”E , botanical garden, compost, 05.05.2020 , 1 ex. ; Minsk , 53°54’49.28”N , 27°36’30.67”E , botanical garden, medicinal plant area, 05.05.2020 , 2 ex. ; Myadel Distr. , bank of Rossokhi Lake , 54°58’17.83”N , 26°52’12.14”E , black alder forest, 07.08.2014 , 1 ex. , 09.05.2019 , 5 ex. ; Puhovichi Distr. , Pestun vill. env., 53°32’30.80”N , 28°18’19.69”E , meadow in Svisloch’ River floodplain, 12.08.2020 , 2 ex. ; Slutsk Distr. , Chervonaya Storonka vill. env., 53°08’42.28”N , 27°51’35.30”E , black alder forest with Carex sp. , 10.08.2020 , 3 ex. ; Staryya Darohi Distr. , Solon vill. env., 53°02’33.07”N , 28°09’4.97”E , black alder forest with Urtica sp. , 11.08.2020 , 13 ex. Mogilev Reg.: Byalynichy Distr., Rudnya vill. env., 53°56’35.99”N , 29°38’47.80”E , wet meadow with black alder trees in stream valley, 12.08.2020 , 2 ex. ; Bykhov Distr., Prybor vill. env., 53°28’23.44”N , 30°20’18.06”E , floodplain meadow in Dnieper River valley, 09.05.2014 , 1 ex. ; Glusk Distr., Simonovichi vill. env., 53°04’14.48”N , 28°35’52.84”E , drained black alder forest, 10.08.2020 , 8 ex. ; Klimavichy Distr., Lozovitsa vill. env., 53°32’24.25”N , 32°04’30.29”E , black alder forest with Filipendula sp. and Urtica sp. , 17.05.2020 , 2 ex. ; Kostsyukovichy Distr., Kolodlivo vill., 53°14’46.61”N , 32°01’24.28”E , meadow in Besed’ River floodplain, 16.05.2020 , 1 ex. ; Krichev Distr., Nanoskovo vill. env., 53°47’52.53”N , 31°49’01.27”E , Oster River valley, deciduous grove, 08.05.2014 , 1 ex. ; Nanoskovo vill. env., 53°47’58.78”N , 31°48’57.20”E , bank of Oster River, 17.05.2020 , 2 ex. ; Krugloe Distr., Skuraty vill. env., 54°16’07.72”N , 29°42’06.37”E , cereal field, 01.08.2020 , 2 ex. ; Osipovichi Distr., Dubrova vill. env., 53°27’43.56”N , 28°37’44.93”E , hornbeam-spruce oak grove, 10.05.2014 , 1 ex. ; Osipovichi Distr., Lapichi vill. env., 53°24’44.93”N , 28°29’12.70”E , black alder forest in Svisloch River floodplain, 10.08.2020 , 7 ex. Vitebsk Reg.: Braslav Distr., 1 km SE of Keziki vill., 55°43’11.45”N , 27°03’49.41”E , bank of Strusto Lake, lawn at the edge of the black alder grove, 27.09.2019 , 2 ex. ; 2 km E of Keziki vill., 55°43’19.27”N , 27°05’14.68”E , black alder forest, under the bark of fallen trees, 27.09.2019 , 15 ex. ; 5 km N of Dubrovka vill., 55°23’39.30”N , 26°56’56.90”E , Belmont forest, 28.09.2019 , 1 ex. ; 3 km S of Bogino vill., 55°23’33.94”N , 26°47’57.80”E , Boginskoe Lake shore, grey alder forest with Urtica sp. and Rubus caesius , 28.09.2019 , 1 ex. ; 1 km SW of Ust’e vill., 55°41’14.24”N , 27°08’15.83”E , Nedrovo Lake env., black alder forest with Rubus caesius , 27.09.2019 , 7 ex. ; Chashniki Distr., Novolukoml’ env., 54°38’58.13”N , 29°06’30.56”E , bank of Lukoml Lake, onshore sediment, 28.08.2020 , 1 ex. ; Dokshytsy Distr., Zamostoch’e vill. env., 54°39’17.60”N , 27°55’56.60”E , spruce forest, in the soil under logs and in decaying wood, 08.08.2020 , 3 ex. ; Lepel Distr., Domzheritsy vill. env., 54°45’5.29”N , 28°18’14.76”E , Berezinsky Biosphere Reserve, spruce forest, in the soil under logs, 07.08.2020 , 5 ex. ; Rossony Distr., Tofeli vill. env., 55°47’52.76”N , 28°53’34.26”E , black alder forest, 18.08.2020 , 1 ex. ; Senno Distr., Senno env., 54°48’21.06”N , 29°38’50.89”E , field, cereals, 28.08.2020 , 1 ex. ; Luzhki station env., 54°45’38.56”N , 30°16’20.35”E , Dobrin’ka River vall., black alder forest, 13.06.2020 , 2 ex. ; Verkhnedvinsk Distr., Sar’ya vill., 55°54’38.52”N , 27°53’18.96”E , park under the bark of fallen trees and in the soil, 29.09.2019 , 5 ex. ; Leonishino vill. env., 55°48’04.68”N , 28°18’58.68”E , Svol’na Riv. valley, grey alder forest with Aegopodium podagraria , Urtica sp. and Rubus caesius , 29.09.2019 , 9 ex. Note: Belarusian populations of D. octaedra are genetically similar to other European populations.