Folia Cryptog. Estonica, Fasc. 50: 67–71 (2013) http://dx.doi.org/10.12697/fce.2013.50.09, with additional specimen data New records of lichenicolous fungi from the Gomel Region of Belarus Andrei Tsurykau1, Ave Suija2 & Volha Khramchankova1 1 Department of Biology, F. Skorina Gomel State University, Sovetskaja st. 104, 246019 Gomel, Belarus. E-mail: tsurykau@gmail.com, hramchenkova@gsu.by 2 Institute of Ecology and Earth Sciences, University of Tartu, 40 Lai st., 51005, Tartu, Estonia. E-mail: ave.suija@ut.ee Abstract: hree species of lichenicolous fungi, Roselliniella cladoniae, Taeniolella beschiana and Trichonectria rubefaciens, are reported for the irst time for Belarus; two further species, lllosporiopsis christiansenii and Marchandiomyces aurantiacus, are new to Gomel Region, the south-eastern part of Belarus. INTRODUCTION Interest in lichenicolous fungi has been constantly rising during the last decades (Lawrey & Diederich, 2011), but the information about the distribution and habitat preferences of the species remains incomplete. In Belarus lichenicolous fungi are insuficiently known. The irst generalizing summary was published in 2011 (Golubkov, 2011a). This paper lists 21 species of lichenicolous fungi [Abrothallus caerulescens Kotte, A. peyritschii (Stein) Kotte, Athelia arachnoidea (Berk.) Jülich, Biatoropsis usnearum Räsänen, Chaenothecopsis epithallina Tibell, Clypeococcum hypocenomycis D. Hawksw., Lichenodiplis lecanorae (Vouaux) Dyko & D. Hawksw., Libertiella sp., Lichenoconium xanthoriae M. S. Christ., Lichenoconium sp., Muellerella pygmaea (Körb.) D. Hawksw. var. pygmaea Körb., M. ventosicola (Mudd) D. Hawksw., Nectria lichenicola (Ces.) Sacc., Phaeosporobolus usneae D. Hawksw. & Hafellner, Phoma everniae D. Hawksw., Sphaerellothecium propinquellum (Nyl.) Cl. Roux & Triebel., Sphinctrina turbinata (Pers.) De Not., Stigmidium congestum (Körb.) Triebel, Tremella cladoniae Diederich & M. S. Christ., Tremella hypogymniae Diederich & M. S. Christ, Tremella sp.], six of which (Abrothallus peyritschii, Muellerella pygmaea var. pygmaea, Nectria lichenicola, Phoma everniae, Sphaerellothecium propinquellum and Stigmidium congestum) have been known only according to literature from the beginning of the 20th century (Bachmann & Bachmann, 1920; Oxner, 1924; Savicz, 1925). So far four species of lichenicolous fungi (Athelia arachnoidea, Biatoropsis usnearum, Chaenothecopsis epithallina and Clypeococcum hypocenomycis) have been identified in the Gomel region, south-eastern Belarus (Yurchenko & Golubkov, 2003; Golubkov, 2011a, 2011b; Tsurykau & Khramchankova, 2011). Herewith we report ive new species for the area, three of which are also new to Belarus. MATERIAL AND METHODS The specimens were collected mainly by the irst author during 2003–2012 (Fig. 1). Additionally, the irst author examined all Cladonia specimens deposited in the Belarusian Polesye Scientiic Herbarium of F. Skorina Gomel State University (GSU) to collect more detailed information on the distribution of Taeniolella beschiana and Roselliniella cladoniae. Most of these specimens were collected in “Pripyatskiy” National Park (PNP). The material was identiied mostly by the second author. The specimens were examined using standard methods of microcopy with Nikon Eclipse 80i, Altami CM0745T and Leica DM750 microscopes. Microscopic structures were studied from hand-cut sections mounted in water. Sizes in parentheses represent minimum and maximum observed values. The number of observations was at least 15. All the voucher specimens are deposited at GSU. Species distribution in neighbouring countries is provided. As central part of European Russia has not been adequately searched for lichenicolous fungi (Zhurbenko & Gudovicheva, 2013), the data on species distribution in Russia is also provided for the north-western European 2 Folia Cryptog. Estonica MarchandIoMyces aurantIacus (Lasch) Diederich & Etayo New to Gomel Region, the second record for Belarus. The irst locality is in north-western Belarus (Yatsyna, 2011). This species is known in Lithuania (Motiejūnaitė & Andersson, 2003) and Poland (Kukwa, 2004). Hosts – Physcia adscendens (t), P. stellaris (Ach.) Nyl. (t, a) and P. tenella Bitter (t). Specimens examined – Dobrush district: Korma village, 52°20'N, 31°30'E, a private small front garden, on Sorbus aucuparia, 19.11.2011, leg. E. Tsukanava. Fig. 1. Locations of inds of studied lichenicolous fungi in Belarus:  – Illosporiopsis christiansenii;  – Roselliniella cladoniae;  – Taeniolella beschiana;  – Trichonectria rubefaciens;  – Marchandiomyces aurantiacus. part of the country (see e.g. Zhurbenko, 2007; Stepanchikova et al., 2011). The nomenclature follows Nordin et al. (2011). The position of the fungus on the lichen thallus is abbreviated as follows: p = podetia, t = lobes of foliose thallus or primary thallus of Cladonia, s = squamules and phyllocladia, a = apothecia. THE SPECIES IllosporIopsIs chrIstIansenII (B. L. Brady & D. Hawksw.) D. Hawksw. (Fig 2G & H) New to Gomel Region. This species was previously known only in north-western Belarus (Yatsyna, 2011) and the locality in Dobrush district is the second inding in Belarus. Amongst neighbouring countries, the species is known in Latvia (Czarnota & Kukwa, 2010), Lithuania (Motiejūnaitė, 2002), Poland (Kukwa et al., 2002) and Russia (Leningrad region and Komi Republic) (Kuznetsova, Ahti & Himelbrant, 2007; Zhurbenko et al., 2012). Hosts – free living algae, Phaeophyscia orbicularis (Neck.) Moberg (t), Physcia adscendens (Fr.) H. Olivier (t) and Xanthoria polycarpa (Hoffm.) Th. Fr. ex Rieber (t). Specimens examined – Dobrush district: Korma village, 52°20'N, 31°30'E, a private small front garden, on Sorbus aucuparia, 19.11.2011, leg. E. Tsukanava. rosellInIella cladonIae (Anzi) Matzer & Hafellner (Fig. 2C & D) New to Belarus. This fungus, occurring sporadically throughout Europe, has been reported in Poland (Kukwa & Kowalewska, 2007), Lithuania (Motiejūnaitė et al., 2003), Murmansk region of Russia (Zhurbenko& Alstrup, 2004) and Ukraine (Bielczyk et al., 2005). Our specimens of R. cladoniae are characterized by 25–35 × 10–14 μm non-septate ascospores, which are colourless and halonate when young, but brown and non-halonate when mature. Asci 2–4-spored. The fungus was found on 21 lichen specimens. The lichens infected with R. cladoniae were represented by seven Cladonia species, especially by C. arbuscula ssp. arbuscula (Wallr.) Flot., C. macilenta var. macilenta Hoffm. and C. rangiferina (L.) Weber ex F.H. Wigg., which hosted 16 specimens. R. cladoniae is likely to prefer the position on the lichen thallus. The fungus was found twice as often on the podetia than on the primary thallus. The specimens were collected in habitats with varying degree of humidity – from humid Ledum palustre-type pine forest to dry Cladonia-type pine stands. All infected lichen specimens were additionally infected with Taeniolella beschiana (Fig. 2C). Hosts – Various Cladonia species. Specimens examined – Buda-Koshelevo district: close to Rudnja-Olhovka village, 52°32'N, 30°22'E, at the young pine forest margin, on Cladonia cornuta (L.) Hoffm. (p) growing on soil, 21.10.2003, leg. A. Tsurykau; same locality, on C. cenotea (Ach.) Schaer. (p) growing on the bark of pine, 21.10.2003, leg. A. Tsurykau; same locality, pine forest, on C. macilenta var. bacillaris (Ach.) Schaer. (t, p) growing on decaying stump, 15.06.2005, leg. T. Karlovskaja; Gomel district: close to Borets village, pine forest, 52°17'N, 30°57'E, on C. rangiferina (p) growing on soil, 14.07.1970, leg. A. Paulischava; 1.8 km NE of Asovina village, Ledum 3 Fig. 2. Lichenicolous fungi. A & B Trichonectria rubefaciens (2011, Dubrovskaja): A – habitus; B – perithecium. C & D Roselliniella cladoniae (2011, Tsurykau): C – perithecia, infected with Taeniolella beschiana; D – ascus. E & F Taeniolella beschiana (2011, Tsurykau): E – conidiophores; F – habitus. G & H Illosporiopsis christiansenii (2011, Tsukanava): G – sporodochia; H – conidia. Scales: A – 1 mm; B, C, F, G – 0.1 mm; D, E, H – 10 μm. 4 Folia Cryptog. Estonica palustre-type pine forest 52°13'N, 31°02'E, on C. macilenta (t) growing on the bark of pines, 08.08.2011, leg. A. Tsurykau; 1.9 km E of Tereshkovichi village, Vaccinium myrtillus-type pine forest, 52°15'N, 30° 59'E, on C. macilenta (t) growing on the bark of pines, 02.10.2012, leg. A. Tsurykau; ca. 1 km S of Pribor village, 52°23'N, 30°47'E, Polytrichum-type pine forest, on C. chlorophaea (Flörke ex Sommerf.) Spreng. (t) growing on pine, 10.10.2012, leg. A. Tsurykau; Leltchitsy district: PNP, Mlynok forestry, 60 q., 51°56'N, 27°56'E, on C. arbuscula ssp. arbuscula (p) growing on soil, 18.07.1971, leg. A. Dashuk; same forestry, 60 q., Pleurozium-type pine forest, on C. arbuscula ssp. mitis (Sandst.) Ruoss (p) growing on soil, 19.07.1971, leg. O. Shakhrai and H. Abramava; same forestry, meadow in pine forest with Hieracium and Thymus, on C. arbuscula ssp. mitis (p) growing on soil, 01.06.1974, leg. O. Shakhrai; same forestry, Cladonia-type pine forest, on C. chlorophaea (t, p) growing on brushwood, 01.06.1974, leg. O. Shakhrai; same forestry, Cladoniatype pine forest, on C. macilenta (t, p) growing on a stump, 02.07.1975, leg. O. Shakhrai; same forestry, Cladonia-type pine forest, on C. macilenta (t) growing on brushwood, 13.03.1977, leg. V. Prokopenko; same forestry, Cladonia-type pine forest, on C. arbuscula ssp. mitis (p) growing on soil, 24.07.1974, leg. O. Shakhrai; Loyew district: 1.3 km N of Kawpen village, 51°57'N, 30°39'E, Cladonia-type pine forest, on C. arbuscula ssp. mitis (p) growing on soil, 09.08.2011, leg. A. Tsurykau; Zhitkovichi district: close to Belev village, pine forest, 52°17'N, 28°02'E, on C. imbriata (L.) Fr. (t, p) growing on a stump, 01.02.2006, leg. A. Teikin; PNP, Cladonia-type pine forest, on C. rangiferina (p) growing on soil, 10.06.1975, leg. O. Shakhrai; PNP, Ozerany forestry, 60 q., pine forest, 52°00'N, 27°53'E, on C. rangiferina (p) growing on soil, 25.05.1971, leg. O. Shakhrai; same forestry, 60 q., Vaccinium myrtillus-type pine forest, on C. macilenta (t) growing on soil, 23.07.1974, leg. H. Shvets; PNP, OzeranyMlynok forestry, 106 q., Cladonia-type pine forest, 51°59'N, 27°57'E, on C. rangiferina (p) growing on soil, 15.03.1977, leg. V. Prokopenko; same forestry, 106 q., Cladonia-type pine forest, on C. arbuscula ssp. mitis (p) growing on soil, 09.05.1977, leg. V. Prokopenko. taenIolella beschIana Diederich (Fig. 2E & F) New to Belarus. This hyphomycetous species is the most common fungus inhabiting Cladonia species in Poland (Kukwa et al., 2010). It also known in Franz Josef Land, Russian Karelia and Murmansk region, (Zhurbenko & Santesson, 1996; Zhurbenko & Himelbrant, 2002; Zhurbenko & Alstrup, 2004), and Lithuania (Motiejūnaitė & Andersson, 2003). Our specimens of T. beschiana are characterized by brown erect conidophores, which carry 9–13 × 5 μm brown 1-celled conidia. The fungus was found on 82 lichen specimens. The lichens infected with Taeniolella beschiana represent 18 species of the genus Cladonia. 55 specimens (66%) were growing on C. arbuscula, C. chlorophaea (Flörke ex Sommerf.) Spreng., C. gracilis (L.) Willd., C. macilenta and C. rangiferina. Based on our material, T. beschiana is nonselective to the position on the lichen thallus: the fungus affects both podetia and primary thallus with the same frequency. It was also found on apothecia of C. gracilis and C. squamosa (Scop.) Hoffm. The specimens were collected in habitats with varying degree of humidity – from humid Ledum palustre-type pine forest to dry Cladoniatype pine stands. Hosts – Various Cladonia species. Selected specimens examined – Buda-Koshelevo district: close to Rudnja-Olhovka village, 52°32'N, 30°22'E, on C. imbriata (L.) Fr. (t) growing on decaying stump, 21.10.2003, leg. A. Tsurykau; same locality, a clearing in the pine forest, on C. deformis (L.) Hoffm. (t) growing on the bark of birch and on residues, 07.07.2005, leg. A. Tsurykau; same place, on C. rangiferina (p) and C. uncialis (L.) Weber ex F.H. Wigg. (p) growing on soil, 07.07.2005, leg. A. Tsurykau; same locality, near sand-picking pit in pine forest, on C. chlorophaea (t, p), C. cornuta (p), C. gracilis (p, s, a), C. phyllophora Ehrh. ex Hoffm. (p), C. rangiferina (p) and C. subulata (L.) Weber ex F.H. Wigg. (t) growing on sandy soil, 21.10.2003, leg. A. Tsurykau; same place, on C. cenotea (t, p) growing on the bark of pine, 21.10.2003, leg. A. Tsurykau; same locality, at the young pine forest marge, on C. cornuta (p) and C. turgida Ehrh. ex Hoffm. (p) growing on soil, 21.10.2003, leg. A. Tsurykau; same locality, in a bog among pine forest, on C. chlorophaea (p) growing on soil, 18.09.2005, leg. A. Tsurykau; same locality, pine forest, on C. macilenta var. bacillaris (t, p) growing on decaying stump, 15.06.2005, leg. T. Karlovskaja; same locality, at the marge of pine forest, on C. arbuscula ssp. mitis (p), C. chlorophaea (t, p), and C. phyllophora (p) growing on soil, 15.06.2005, leg. T. Karlovskaja; close to Klenovitsa village, edge of a mixed forest, 52°36'N, 30°19'E, on C. cervicornis ssp. verticillata (Hoffm.) Ahti (s) growing on soil, 03.07.2005, leg. A. Tsurykau and N. Timoshenkova; Gomel district: the city of Gomel, Volotova borough, birch grove, 52°28'N, 31°03'E, on C. cenotea (t) growing on deciduous tree bark, 27.03.2003, leg. I. Kavaliova and I. Hancharova; the city of Gomel, 17 borough, on C. rei Schaer. (t) growing on sandy soil, 29.06.2005, leg. U. Sobchanka; close to Borets village, pine forest, 52°17'N, 30°57'E, on C. rangiferina (p) growing on soil, 14.07.1970, leg. A. Paulischava; 3 km SW of Chenki village, close to the Gomel State University’s ield practice stationary camp, 52°19'N, 30°57'E, on C. macilenta var. bacillaris (t) growing on decaying lignum, 20.07.2003, leg. I. Kavaliova and I. Hancharova; same place, on C. chlorophaea (t, p) growing on lignum, 20.06.2004, leg. A. 5 Tsurykau; 1 km NE of Tereshkovichi village, Pteridium aquilinum-type pine forest, 52°15'N, 30°58'E, on C. chlorophaea (t) growing on the bark of pines, 03.03.2011, leg. A. Tsurykau; 1.5 km NE of Tereshkovichi village, Polytrichum-type pine forest, 52°15'N, 30°59'E, on C. macilenta (t) and C. ochrochlora Flörke (t) growing on the bark of pines, 03.03.2011, leg. A. Tsurykau; 1.9 km E of Tereshkovichi village, Vaccinium myrtillus-type pine forest, 52°15'N, 30°59'E, on C. macilenta (t) growing on the bark of pines, 02.10.2012, leg. A. Tsurykau; 1.8 km NE of Asovina village, Ledum palustre-type pine forest, 52°13'N, 31°02'E, on C. chlorophaea (t) and C. macilenta (t) growing on the bark of pines, 08.08.2011, leg. A. Tsurykau; 3.2 km NE of Asovina village, Pteridium aquilinum-type pine forest, 52°13'N, 31°03'E, on C. macilenta (t) and C. ochrochlora (t) growing on the bark of pines, 08.08.2011, leg. A. Tsurykau; ca. 1 km S of Pribor village, Polytrichum-type pine forest, 52°23'N, 30°47'E, on C. chlorophaea (t) and C. coniocraea (Flörke) Spreng. (t) growing on the bark of pines, 10.10.2012, leg. A. Tsurykau; Kalinkovichi district: close to Ozarichi Township, mixed forest, 52°27'N, 29°16'E, on C. uncialis (p) growing on soil, 16.08.2004, leg. J. Bachura; Korma district: close to Kljapin village, Polytrichum-type pine forest, near the road, 53°09'N, 31°03'E, on Cladonia sp. (p, a) growing on soil, 12.08.2005, leg. U. Liabedz’ka; Leltchitsy district: PNP, Mlynok forestry, 7 q., Cladonia-type pine forest with Melampyrum nemorosum and Convallaria majalis, 51°56'N, 27°56'E, on C. phyllophora (p) growing on soil, w/o date, leg. O. Shakhrai; same forestry, 60 q., on C. arbuscula ssp. arbuscula (p) growing on soil, 18.07.1971, leg. A. Dashuk; same forestry, 60 q., pine forest, on C. rangiferina (p) growing on soil, 1977, leg. H. Abramava; same forestry, 60 q., Pleurozium-type pine forest, on C. arbuscula ssp. mitis (p) growing on soil, 19.07.1971, leg. O. Shakhrai and H. Abramava; same forestry, 61 q., on C. macilenta var. bacillaris (t) and C. cervicornis ssp. verticillata (s) growing on soil, 19.07.1971, leg. J. Klets; same forestry, 72 q., Cladonia-type pine forest, on C. chlorophaea (t) growing on soil, 16.06.1972, leg. O. Shakhrai; same forestry, 106 q., Cladonia-type pine forest, on C. gracilis (p) growing on soil, w/o date, leg. O. Shakhrai; same forestry, 106 q., Pleurozium-type pine forest, on C. arbuscula ssp. mitis (p) growing on soil, w/o date, leg. O. Shakhrai; same forestry, Cladonia-type pine forest, on C. arbuscula ssp. mitis (p), C. chlorophaea (t) and C. gracilis (p) growing on soil, 24.07.1974, leg. O. Shakhrai; same forestry, Cladonia-type pine forest, on C. macilenta (t) growing on a stump, 02.07.1975, leg. O. Shakhrai; same forestry, Cladonia-type pine forest, on C. macilenta (t, p) growing on brushwood, 13.03.1977; leg. V. Prokopenko; same forestry, Cytisus-type pine forest, on C. arbuscula ssp. mitis (p) growing on soil, 14.07.1975, leg. A. Radionova; same forestry, Cladonia-type pine forest, on C. rangiferina (p) growing on soil, 06.06.1975, leg. O. Shakhrai; same forestry, pine forest with Hieracium and Nardus, on C. phyllophora (p) growing on soil, 01.06.1974, leg. O. Shakhrai; same forestry, meadow in pine forest with Hieracium and Thymus, on C. arbuscula ssp. mitis (p) growing on soil, 01.06.1974, leg. O. Shakhrai; same forestry, Cladonia-type pine forest, on C. chlorophaea (t, p) growing on brushwood, 01.06.1974, leg. O. Shakhrai; Loyew district: 1.3 km N of Kawpen village, Cladonia-type pine forest, 51°57'N, 30°39'E, on C. arbuscula ssp. mitis (p) and C. gracilis (p) growing on soil, 09.08.2011, leg. A. Tsurykau; same place, on C. chlorophaea (t) growing on decaying wood, 09.08.2011, leg. A. Tsurykau; same place, on C. chlorophaea (t) growing on the bark of pines, 09.08.2011, leg. A. Tsurykau; 5 km W of Kawpenj village, Calluna vulgaris-type pine forest, 51°56'N, 30°35'E, on C. gracilis (p) and C. squamosa (p, a) growing on soil, 09.08.2011, leg. A. Tsurykau; same place, on C. chlorophaea (t, p) and C. imbriata (t, p) growing on the bark of pines, 09.08.2011, leg. A. Tsurykau; Retchitsa district: ca. 1.5 km E of Borschevka village, pine forest, 52°21'N, 30°40'E, on C. macilenta (t) growing on a log, 30.09.2006, leg. A. Tsurykau; Zhitkovichi district: close to Belev village, pine forest, 52°17'N, 28°02'E, on C. imbriata (t, p) growing on a stump, 01.02.2006, leg. A. Teikin; PNP, Cladonia-type pine forest, on C. rangiferina (p) growing on soil, 10.06.1975, leg. O. Shakhrai; PNP, Ozerany forestry, 50 q., pine forest, 52°00'N, 27°53'E, on C. gracilis (p) growing on soil, 18.06.1971, leg. O. Shakhrai; same forestry, 59 q., Cladonia-type pine forest, on C. gracilis (p) growing on soil, 24.07.1975, leg. O. Shakhrai; same forestry, 60 q., pine forest, on C. rangiferina (p) growing on soil, 25.05.1971, leg. O. Shakhrai; same forestry, 60 q., Vaccinium myrtillus-type pine forest, on C. macilenta (t, p) growing on soil, 23.07.1974, leg. H. Shvets; same forestry, on C. cervicornis ssp. verticillata (s), C. deformis (t) and C. macilenta (t) growing on soil, 20.06.1975, leg. O. Shakhrai; same forestry, on C. subulata (t) growing on soil, leg. O. Shakhrai, w/o date; PNP, Ozerany-Mlynok forestry, 85 q., Cladonia-type pine forest, 51°59'N, 27°57'E, on C. arbuscula ssp. arbuscula (p) growing on soil, 19.03.1977, leg. V. Prokopenko; same forestry, 96 q., Vaccinium vitis-idaea-type pine forest, on C. arbuscula ssp. mitis (p) growing on soil, 10.03.1977, leg. V. Prokopenko; same forestry, 98 q., Vaccinium vitis-idaea-type pine forest, on C. chlorophaea (t) growing on brushwood, 15.03.1977, leg. V. Prokopenko; same forestry, 106 q., Cladoniatype pine forest, on C. rangiferina (p) growing on soil, 15.03.1977, leg. V. Prokopenko; same forestry, 106 q., Cladonia-type pine forest, on C. arbuscula ssp. mitis (p) growing on soil, 09.05.1977, leg. V. Prokopenko; PNP, Pererov forestry, 18 q., Cladonia-type pine forest, 52°02'N, 27°58'E, on C. cervicornis ssp. verticillata (t, p) growing on soil, 20.07.1974, leg. O. Shakhrai; same forestry, 23 q., Polytrichum-type pine forest, on C. gracilis (p) growing on soil, 05.07.1973, leg. L. Parukova; PNP, Rychev forestry, 64 q., Cladonia-type pine forest, 51°59'N, 27°42'E, on C. arbuscula ssp. mitis (p) growing on soil, 17.07.1972, leg. O. Shakhrai. 6 Folia Cryptog. Estonica trIchonectrIa rubefacIens (Ellis & Everh.) Diederich & Schroers (Fig. 2A & B) New to Belarus. This pathogenic fungus is known from Lithuania (Motiejūnaitė at al., 2012), Russia, Leningrad region (Kuznetsova et al., 2012), Poland (Kukwa et al., 2010) and Ukraine (Pirogov, 2011). Our specimens are characterized by having 1-septate, 14–15 × 3 μm colourless ascospores. Perithecia orange, supericial, ca. 0.1 mm in diameter. Host – Parmelia sulcata Taylor (t). Specimens examined – Chechersk district: vicinity of Gaijok village, 52°58'N, 31°08'E, at the edge of pine forest, on the bark of Betula pendula, 16.09.2011, leg. E. Dubrovskaja; Gomel district: 3 km SW of Chenki village, close to the fence at Gomel State University’s ield practice stationary camp, 52°19'N, 30°57'E, on bark of B. pendula, 25.06.2012, leg. A. Tsurykau. ACKNOWLEDGEMENTS Dr Piret Lõhmus (Tartu) is warmly thanked for inancial support of the visit of A. T. to Tartu, which promoted this study. Dr Jurga Motiejūnaitė (Vilnius) provided information on the distribution of the examined species in Lithuania. 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