Евразиатский энтомол. журнал 16(3): 207–212 © EUROASIAN ENTOMOLOGICAL JOURNAL, 2017 The true bugs (Hemiptera, Heteroptera) of the Baykalo-Lenskiy Reserve with new records from Irkutskaya Oblast’ in East Siberia, Russia Ïîëóæåñòêîêðûëûå íàñåêîìûå (Hemiptera, Heteroptera) Áàéêàëî-Ëåíñêîãî çàïîâåäíèêà ñ óêàçàíèåì íîâûõ íàõîäîê äëÿ Èðêóòñêîé îáëàñòè (Ðîññèÿ, Âîñòî÷íàÿ Ñèáèðü) E.V. Sofronova Å.Â. Ñîôðîíîâà The V.B. Sochava Institute of Geography SB RAS, Ulan-Batorskaja Str. 1, Irkutsk 664033 Russia. E-mail: [email protected]. Институт географии им. В.Б. Сочавы СО РАН, ул. Улан-Баторская 1, Иркутск 664033 Россия. Key words: Heteroptera, true bugs, list of species, Siberia, Baikal region, Irkutsk region, new records, Baykalo- Lenskiy Reserve. Ключевые слова: Полужесткокрылые насекомые, клопы, список видов, Сибирь, Байкальский регион, Иркутская область, новые указания, Байкало-Ленский заповедник. Abstract. The Baykalo-Lenskiy State Nature Reserve, Materials and methods currently a part of «Zapovednoe Pribaykal’e» organization, was established in 1986. The Heteroptera fauna in the Re- The Baykalo-Lenskiy Reserve (BLR) is situated in serve has not been studied before the author’s researches. the Eastern Siberia (Russia, Irkutskaya Oblast’) and 187 true bug species from 107 genera and 21 families were occupies an area of 6599 km2 (Fig. 1a). The territory collected from the territories of the Reserve and the neighbor- covers a part of the north-western coast of Baikal Lake, ing village Chanchur. Three species, Closterotomus samoje- the southern third of the Baikal Range and headwater dorum (J. Sahlberg, 1878), Globiceps salicicola Reuter, 1880, and Orthotylus lenensis Lindberg, 1928 are registered from basins of the rivers Lena, Tongoda and Kirenga Irkutskaya Oblast for the first time. [Stepantsova, 2013]. The Baikal Mountain Range divides the reserve’s Резюме. Байкало-Ленский государственный природ- territory into two parts, unequal in their size and phys- ный заповедник был основан в 1986 году (в настоящий iographic characteristics: one part containing Baikal момент является частью организации «Заповедное При- shore and the eastern macroslope of the Baikal Range, байкалье»). Фауна полужесткокрылых насекомых до ис- the other — the Lena-Kirenga river systems on western следований автора не изучалась. В данной статье приво- macroslope. The Baikal section’s climate is largely in- дятся указания 187 видов из 107 родов и 21 семейства fluenced by Baikal and varies between oceanic and dry. клопов, собранных в заповеднике и деревне Чанчур, ко- Flora of the Baikal Mountain’s slopes is characterized торая находится рядом с границами заповедника. 3 вида by vertical zoning of the East-Siberian category [Maly- указываются впервые для Иркутской области: Closterotomus samojedorum (J. Sahlberg, 1878), Globiceps shev, 1957]. Three different vegetation belts can be salicicola Reuter, 1880 и Orthotylus lenensis Lindberg, 1928. found here: forest, sub-alpine forest and alpine tundra. Zonal forest (taiga) flora prevails in the reserve’s area. Coniferous and deciduous-coniferous forests are typical for the Baikal section of the BLR. Dark-spruce Introduction taiga, consisting of Siberian pines, firs and spruces, is Approximately 600 Heteroptera species occur in the widespread in the Lena-Kirenga part of the reserve. Eastern Siberia [Vinokurov et al., 2010]. The Heteroptera Steppe and dry meadow communities develop on car- fauna of the reserve was not specifically investigated bonate slopes, on alluvial cones and tips of capes. prior to my research. This study is based on the results Natural meadows occur in the forest belt surrounding of the author’s field work which was conducted from lakes, in degradations of capes and in the river valleys 2007 to 2010 and also in 2013. During this time I investi- in the Lena-Kirenga section. Bogs are typical for the gated the main ecotopes of the reserve and revealed a Lena-Kirenga part of the BLR, where they develop out number of interesting species [Sofronova, 2009, 2012, of shoal lakes and river-valleys fed with spring water, 2013]. This report provides the first comprehensive list often with underlying permafrost [Stepantsova, 2013]. of the Heteroptera species that have been taken in the The insects were sampled in 13 basic areas (Table 1, reserve and new records from Irkutskaya Oblast’. Fig. 1b). Techniques for collecting true bugs included 208 E.V. Sofronova Fig. 1. Geographic location of BLR in Baikal region (a) and Map of BLR with collecting localities (b): 1 — Nugan river, 2 — Allilej river, 3 — Chanchur village, 4 — Shartlaj cape, 5 — source of Lena river, 6 — Pokojnyj cape, 7 — Izumrudnoe Lake, 8 — Solncepad’ notch, 9 — Sagan-Morjan cape, 10 — Zolotokan river, 11 — Juhta river, 12 — Bol’shoj Soloncovyj cape, 13 — Elohin cape. Ðèñ. 1. Ãåîãðàôè÷åñêîå ïîëîæåíèå Áàéêàëî-Ëåíñêîãî çàïîâåäíèêà â Áàéêàëüñêîì ðåãèîíå (a) è êàðòà çàïîâåäíèêà ñ ïóíêòàìè ñáîðà (b): 1 — ð. Íóãàí, 2 — ð. Àëëèëåé, 3 — ä. ×àí÷óð, 4 — ìûñ Øàðòëàé, 5 — èñòîê ð. Ëåíà, 6 — ìûñ Ïîêîéíûé, 7 — îç. Èçóìðóäíîå, 8 — ïåðåâàë Ñîëíöåïàäü, 9 — ìûñ Ñàãàí-Ìîðÿí, 10 — ð. Çîëîòîêàí, 11 — ð. Þõòà, 12 — ìûñ Áîëüøîé Ñîëîíöîâûé, 13 — ìûñ Åëîõèí. The true bugs of the Baykalo-Lenskiy Reserve with new records from Irkutskaya Oblast’ 209 routine methods (sweeping of vegetation using a col- litter, moss; wet meadows (WM): WM1 — herbage, lecting net, hand collecting from plant litter, grass and WM2 — soil surface, plant litter, moss; moderately trees, beating tree foliage etc.) [Golub et al., 2012]. Thus moist meadows (MM): MM1 — herbage, MM2 — soil more than 5000 specimens of true bugs from different surface, plant litter, moss; dry meadows and steppes ecotopes of both macroslopes of the Baikal Range were (DM): DM1 — herbage, DM2 — soil surface, plant sampled. litter, moss; aquatic ecotopes (AQ). The Heteroptera bugs were sorted and identified us- Types of geographical distribution: H — Holarctic; ing taxonomic keys [Kerzhner 1981; Vinokurov, Kanjuk- TP — Transpalearctic; TE — Trans-Eurasian; ES — ova 1995; Kanyukova 2006; Namyatova, Konstantinov Euro-Siberian; WCP — Western and central Palaearc- 2009; Gapon 2014 ] and by comparing them with speci- tic; SN — Siberian and Nearctic; O — Oriental; CAS — mens of Entomological Collection of the Zoological Insti- Central Asian and Siberian; CP — Central Palaearctic; tute of the Russian Academy of Sciences (Saint Peters- SFE — Siberian and Far Eastern; ESFE — East Siberian burg). Data on the geographical distribution of the species and Far Eastern; EP — Eastern Palearctic; ECP — East- were collected from the Catalogue of the Heteroptera of ern and central Palaearctic. Asian part of Russia [Vinokurov et al., 2010]. The list of the Heteroptera species of the Results Baykalo-Lenskiy Reserve This study resulted in listing the Heteroptera fauna Corixidae: Cymatia bonsdorffii (C. R. Sahlberg, of the reserve represented by 187 species belonging to 1819) — 6, 7, 12 — AQ — TE; Callicorixa praeusta 107 genera and 21 families comprising more than 30 % (Fieber, 1848) — 6, 12 — AQ — TE; Hesperocorixa of the Eastern Siberia fauna. The list of Heteroptera sahlbergi (Fieber, 1848) — 6, AQ — ES; Sigara semis- fauna contains information about collecting localities, triata (Fieber, 1848) — 6, 12 — AQ — ES; S. striata ecotopes and distribution for each species. Data for (Linnaeus, 1758) — 6, 9, 12 — AQ — ES. geographical distribution were collected from the Cata- Notonectidae: Notonecta glauca Linnaeus, 1758 — logue of the Heteroptera of Asian part of Russia [Vi- 9 — AQ — WCP; N. reuteri Hungerford, 1928 — 6 — nokurov et al., 2010]. For listing the material the follow- AQ — TE. ing notation is used: Saldidae: Micracanthia bergrothi (Jakovlev, Collecting localities: 1 — Nugan river, 2 — Allilej 1893) — 6 — WM2 — SN; Saldula saltatoria (Linnae- river, 3 — Chanchur village, 4 — Shartlaj cape, 5 — us, 1758) — 9 — WM2 — H; Salda littoralis (Linnae- source of Lena river, 6 — Pokojnyj cape, 7 — Izumrud- us, 1758) — 6 — WM2 — H. noe Lake, 8 — Solncepad’ notch, 9 — Sagan-Morjan Veliidae: Microvelia buenoi Drake, 1920 — 6 — cape, 10 — Zolotokan river, 11 — Juhta river, 12 — AQ — H; M. reticulata (Burmeister, 1835) — 6 — Bol’shoj Soloncovyj cape, 13 — Elohin cape. AQ — TE. Ecotopes: coniferous forests (CF): CF1 — trees and Gerridae: Gerris lacustris (Linnaeus, 1758) — 3, shrubs, CF2 — herbage, CF3 — soil surface, plant 12 — AQ — TP; G. odontogaster (Zetterstedt, 1828) — litter, moss; deciduous forests (DF): DF1 — trees and 3, 13 — AQ — TE. Limnoporus rufoscutellatus (La- shrubs, DF2 — herbage, DF3 — soil surface, plant treille, 1807) — 3, 14 — AQ — H. Table 1. List of collecting localities with coordinates and altitude data Òàáëèöà 1. Ñïèñîê ïóíêòîâ ñáîðà ñ êîîðäèíàòàìè è âûñîòîé í.ó.ì. № Localites Coordinates Altitude 1 Nugan river N53°49′30″ E106°59′10″ 758 2 Allilej river N53°47′00″ E107°22′57″ 925 3 Chanchur village N53°49′30″ E106°59′10″ 637 4 Shartlaj cape N53°55′28″ E108°11′40″ 483 5 source of Lena river N53°59′37″ E107°53′13″ 1465 6 Pokojnyj cape N54°00′52″ E108°14′16″ 465 7 Izumrudnoe Lake N54°04′08″ E108°10′18″ 1214 8 Solncepad′ notch N54°04′15″ E108°11′58″ 1070 9 Sagan-Morjan cape N54°05′29″ E108°17′34″ 456 10 Zolotokan river N54°07′09″ E108°09′43″ 1303 11 Juhta river N54°08′57″ E107°26′34″ 749 12 Bol′shoj Soloncovyj cape N54°10′13″ E108°20′55″ 449 13 Elohin cape N54°32′19″ E108°39′11″ 478 210 E.V. Sofronova Nabidae: Nabis americolimbatus (Carayon, 1961) — 1869 — 2, 11 — WM1 — H; Trygonotylus caelestiali- 1, 3 — WM1 — H; N. flavomarginatus Scholtz, 1847 — um (Kirkaldy, 1902) — 6 — WM1, MM1 — H; Euryopi- 2, 3, 5, 6, 7, 9, 13 — DF1, WM1, MM1, DM1 — H; coris nitidus (Meyer-Dür, 1843) — 5, 6, 7, 10, 11 — N. brevis brevis Scholtz, 1847 — 11 — MM1, CF2 — WM1, MM1, CF2 — TE; Labops sahlbergi (Fallén, ES; N. punctatus mimoferus Hsiao, 1964 — 6, 13 — 1829) — 2, 6, 7, 11 — DF1, WM1, MM1 — TE; Myrme- MM1, DM1, CF2 — O. cophyes alboornatus (Stål, 1858) — 7 — DF1 — ES; Anthocoridae: Acompocoris alpinus (Reuter, Orthocephalus vittipennis (Herrich-Schaeffer, 1835) — 1875) — 7, 8, 13 — CF1 — TE; Anthocoris nemorum 1, 2, 3, 11 — WM1, MM1, DM1 — ES; Blepharidopter- (Linnaeus, 1761) — 13 — DF1, MM1 — TE; A.