111 The woodlouse (Isopoda: Oniscidea) fauna of steppe habitats in the Kostanay region of Kazakhstan Abstract This paper presents first materials on the fauna and distribution of the terrestrial isopods - woodlice (Oniscidea) inhabiting the central and southern parts of Kostanay Region (Kazakhstan, Northern and Southern Turgai), located in the steppe zone. Most of the specimens of woodlice were collected in the territory of the National Nature Reserve “Altyn Dala”, a new protected area (established in 2012) and in the area of the Naurzum National Nature Reserve (established in 1931, World Heritage Site of UNESCO), on the Stipa lessingiana dry steppe. The list of woodlice includes six species (Crustacea: Isopoda: Oniscidea), belonging to five genera and three families in the study area. Four species are recorded for the first time in Kazakhstan – Desertoniscus subterraneus Verhoeff, 1930, Parcylisticus dentifrons (Budde-Lund 1885), Porcellio scaber Latreille, 1804, and Protracheoniscus major (Dollfus 1903). Distribution characteristics are provided for all of those species recorded in the study area. For the territory of Kazakhstan, according to a literature data, currently 16 species of terrestrial isopods have been recorded. Izvleček V članku predstavljamo prve izsledke o favni in razširjenosti kopenskih enakonožcev – mokric (Oniscidea), ki jih najdemo v osrednjih in južnih predelih regije Kostanay (Kazahstan, severni in južni Turgaj) v območju stepe. Večino osebkov mokric smo nabrali na območju narodnega naravnega rezervata “Altyn Dala”, ki je novo zavarovano območje (od leta 2012) in v območju narodnega naravnega rezervata Naurzum (ustanovljen leta 1931, uvrščen tudi na Seznam svetovne dediščine UNESCO) na suhi stepi z vrsto Stipa lessingiana. Seznam mokric vsebuje šest vrst (Crustacea: Isopoda: Oniscidea), ki pripadajo petim rodovom in trem družinam. Štiri vrste so prvič zabeležene v Kazahstanu - Desertoniscus subterraneus Verhoeff, 1930, Parcylisticus dentifrons (Budde-Lund 1885), Porcellio scaber Latreille, 1804 in Protracheoniscus major (Dollfus 1903). Za vse vrste, ki smo jih našli, smo podali značilnosti njihove razširjenosti. V Kazahstanu je v skladu z literaturo znanih 16 vrst kopenskih enakonožcev. Keywords: terrestrial isopods, fauna, dry steppe, desert steppe, Kostanay Oblast, Northern and Southern Turgai. Ključne besede: kopenski enakonožci, favna, suha stepa, puščavska stepa, Oblast Kostanaj, severni in južni Turgaj. Received: 14. 3. 2017 Revision received: 19. 9. 2017 Accepted: 18. 1. 2018 Co-ordinating Editor: Stephen Venn 1 Kostanay State Pedagogical Institute, Science-Research Centre on Ecology and Biology, Kostanay, Taran str., 118, Kazakhstan 2 Federal State-Financed Scientific Institute “AzNIIRKH”, Rostov-on-Don, Beregovaya str., 21B, Russia. E-mail: tm_bragina@mail.ru 3 Palace of Creativity of Children and Youth, Bolshaya Sadovaya Street, 55, Rostov-on-Don, Russia. E-mail: dilalex@mail.ru Tatyana М. Bragina1,2 & Dilyara D. Khisametdinova3 DOI: 10.1515/hacq-2017-001617/1 • 2018, 111–119 T. M. Bragina & D. D. Khisametdinova The woodlouse (Isopoda: Oniscidea) fauna of steppe habitats in the Kostanay region of Kazakhstan 112 17/1 • 2018, 111–119 Introduction Terrestrial isopods belonging to the Order Isopoda, Sub- order Oniscidea Latreille, 1817, or woodlice, are usually confined to damp habitats, but despite this are wide- spread in the steppes, semi-deserts and deserts (Borutzky 1948). Almost all families of terrestrial isopods known in the Palaearctic can be found in the zones of steppes and deserts. In arid zones, woodlice inhabit artificially irrigated areas of the desert, where they can be found in large numbers in the soil layer or on the soil surface. During the daytime, they can be found beneath leaves, boards and debris. Woodlice emerge from their shelters in the evening in search of food. In undisturbed biotopes exposed to high levels of solar radiation, woodlice hide beneath wet objects, such as fresh animal droppings, heaps of brushwood or deep in the soil in the tunnels of gerbils, ground squirrels and other vertebrates. Woodlice obtain sufficient moisture in dry habitats via the con- sumption of leaves and vegetation. When encountering cultural plants, woodlice can damage these, causing losses to agriculture (Borutzky 1978a). Woodlice actively participate in the processes of restoration of natural vege- tation in deserts. They primary function is the decompo- sition of litter, the remnants of grasses and hemi-shrubs, which are collected on the surface. Woodlice actively mix layers of soil, depositing soil from the lower horizons on the surface and by that promote the formation of new islands of vegetation in the deserts (Dimo 1955). In this paper, we summarized literature data and results of our study of the fauna and distribution of terrestrial isopods of the steppe zone of Kazakhstan. All woodlice were collected by Tatyana M. Bragina, and identified by Dilyara D. Khisametdinova. Methods Study site This study was conducted during 2013–2014 in the Ko- stanay Oblast, located in the steppe zone of Kazakhstan. The northern part of the Oblast occupies the southeastern edge of the West Siberian Plain. Most of the Oblast is located on the Turgai Plateau; in the west, it extends to the undulating plain of the Trans Ural Plateau, and in the southwest, to the foothills of the Kazakh hills (Tikhonov et al 1963). In total, the area of the Oblast covers more than 196 thousand sq. km (or 19.6 million hectares). The length of the region, from north to south, is over 700 km, and the breadth, from east to west, is 250–400 km. The climate is continental. The temperature increases from north to south, and the amount of precipitation de- creases. The average annual temperature gradient from the north to the south of the area ranges from –6.9 °C to –1 °C, the July average from +19.3 °C to +25.1 °C, and the January average from –18 °C to –8.2 °C. Annual pre- cipitation ranges from 390 mm in the north to 159 mm in the south. Due to the diversity of geomorphological, climatic, soil conditions and vegetation in the region, the regular changes of the landscapes are well-defined from forest-steppe to moderately dry and dry steppes, desert steppes, clay and sandy deserts (Bragina 2007). We investigated the Naurzum National Nature Reserve and Altyn Dala National Nature Rezerve areas (Figure 1), which lie in the Northern and Southern Turgai physi- ographic provinces of the West Siberian region of the Ka- zakhstan steppe zone of Eurasia, in the center and south of the Kostanay Oblast. In the Naurzum National Nature Reserve, the study area was located in the southern part of the Turgai Pla- teau at 260–290 m above sea level. The average annual temperature is 1.33 °C, and annual precipitation is 240– 260 mm (Bragina 2009). We investigated Stipa lessingiana steppe. The vegetation is characterized by xerophytic spe- cies of bunch grass, such as Stipa lessingiana, S. capillata, Festuca valesiaca, loose bunch grasses, such as Agropyron pectinatum, and rhizome grasses, such as Leymus ramosus (Rachkovskaya & Bragina 2012, Bragina 2016). A colony of marmots inhabits this steppe. The area of the Altyn Dala National Nature Reserve (Fig- ure 2), where woodlice were collected, belongs to the desert steppes (or northern deserts) on brown soils (the vegeta- tion complex includes Artemisia gracilescens, A. pauciflora, Nanophyton erinaceum, Poa bulbosa, sagebrush Anabasis salsa (Anabasis salsa, A. pauciflora, A. gracilescens). Also it includes sites with Anabasis aphylla, Atriplex cana, A. pauci- flora communities on small patches of solonetz and salines, in combination with A. semiarida and Stipa sareptana com- munities on highly solonetz loamy soils and small clay hills with burrows of the yellow ground squirrel (suslik) Spermo- philus fulvus Licht. (Rachkovskaya & Bragina 2012). Near the river Uly-Zhilanshik, there is complex vegeta- tion (Figure 2) with Festuca valesiaca, Artemisia graciles- cens, A. pauciflora, Nanophyton erinaceum and Poa bulbosa. The aim of the study was to identify the species com- position of the terrestrial isopods and some information about their lifestyle in the region. Sampling Specimens of terrestrial isopods were collected by hand, and by using 0.5 l plastic pitfall traps with ethylene gly- col as a preservative fluid. In this study, no quantitative accounting was conducted. Pitfall traps without roofs T. M. Bragina & D. D. Khisametdinova The woodlouse (Isopoda: Oniscidea) fauna of steppe habitats in the Kostanay region of Kazakhstan 113 17/1 • 2018, 111–119 Figure 2: River Uly-Zhilanshik. Kostanay Province. State Nature Reserve “Altyn Dala”. Kazakhstan. 10.05.2013. Photo by Tatyana M. Bragina. Slika 2: Reka Uly-Zhilanshik. Provinca Kostanaj. Državni naravni rezervat “Altyn Dala”. Kazahstan. 10.05.2013. Foto: Tatyana M. Bragina. Figure 1: The investigated area with the location of the Naurzum Reserve and the Altyn Dala Reserve. Kostanay Oblast, Kazakhstan. Slika 1: Preučevano območje z lokacijama rezervatov Naurzum in Altyn Dala. Oblast Kostanaj, Kazahstan. Naurzum Altyn Dala KAZAKHSTAN T. M. Bragina & D. D. Khisametdinova The woodlouse (Isopoda: Oniscidea) fauna of steppe habitats in the Kostanay region of Kazakhstan 114 17/1 • 2018, 111–119 were used during short-term sampling visits to the ter- ritory (1–3 days) or for a longer period, mainly in the territory of the Altyn Dala Reserve (desert steppes) (50° N 64° E) and the Naurzum Reserve (moderately- dry and dry steppes). As a rule, a transect of ten traps was installed at a distance of ten meters apart. Trapping was conducted in the years 2013–2014 and the samples preserved in 70% ethanol. From May to October 2013, 1200 trap-days were used in sites representing a total of seven biotopes. A total of 397 individuals of woodlice of different stages and both sexes were collected and sorted. Hand-harvesting was also used for the litter, detritus and soil (e.g., soil from rodent burrows) (Ghilyarov 1965, Byzova et al. 1987, Anderson & Ingram 1993) to study the soil macrofauna of the region (Bragina 2004b). In the Naurzum National Nature Reserve (51° N 64° E) and surrounding areas, we recorded a total number of individuals of woodlice in a sample per 0.25 m2 (Bra- gina 2004a, 2004b, 2016; Demina & Bragina 2014). Species were identified according to the key of woodlice ( Borutzky 1948, 1978). Results Taxonomic part Order ONISCIDEA Group Crinocheta Family AGNARIDAE Genus Hemilepistus Budde-Lund, 1879 Hemilepistus ruderalis (Pallas, 1771) SYN. – Oniscus ruderalis, Porcellio pallasii Material examined. 2 ♂♂, 2 ♀♀, Kazakhstan, Ko- stanay Oblast, Zhangeldy District, National Nature Re- serve “Altyn Dala”, near the old wintering site Altybai, 12. V. 2013; 4 ♂♂, 3 ♀♀, Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, near Rakhmet old village (now destroyed), bank of the river Uly-Zhilanshik, near holes of yellow ground squirrel (suslik) Spermophilus fulvus (Lichtenstein, 1823), from clay soil, 10. V. 2013; 2 ♂♂, 2 ♀♀, Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, near Djarkuy damp, in holes of yel- low ground squirrel (suslik) Spermophilus fulvus, clay soil, 11. V. 2013; 1 ♂, 1 ♀, Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, pitfall traps, 25. V. 2013; 2 ♀♀, Kazakhstan, Kostanay Oblast, Aman- geldy District, National Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, 12. V. 2013; 18 ♂♂, 15 ♀♀, Kazakhstan, Kostanay Oblast, Amangeldy Dis- trict, National Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, saline alkali soil, pitfall traps, 13.–25. V. 2013; 38 ♂♂, 31 ♀♀ (including 4 ♀♀ with marsupia), Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, nearby vill. Rakhmet, gramine- ous vegetation (meadow), 04. VII. 2013; 14 ♂♂, 7 ♀♀, Kazakhstan, Kostanay Oblast, Amangeldy District, Na- tional Nature Reserve “Altyn Dala”, old village Ayurkum, meadow (with mushrooms Agaricus sp.), 05. VII. 2013; 37 ♂♂, 18 ♀♀ (including 15 ♀♀ with marsupia), Ka- zakhstan, Kostanay Oblast, Amangeldy District, Nation- al Nature Reserve “Altyn Dala”, bank of the river Uly- Zhilanshik, plant association with Anabasis salsa, pitfall traps, 04. VII. 2013; 8 ♂♂, 3 ♀♀ (including 1 ♀ with marsupium), Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, near Ra- chmet old village, clay small hill near the river Uly-Zhy- lanshik, plastic pitfall, 04. VII. 2013; 2 ♂♂, 3 ♀♀, Ka- zakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, old village Ayurkum, near small pond, 04. VII. 2013; 4 ♂♂, Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, near Rachmet old village, bank of the river Uly-Zhilanshik, 04. VII. 2013. In spring 2013, specimens of this species were found from all the surveyed areas of the National Natural Re- serve “Altyn Dala”. We examined 54 samples of this spe- cies. The sex ratio was 1:1. Females with marsupia were absent during this period. This suggests that the period of reproduction in this species in the area had not yet be- gun. During summer, 185 specimens of this species were recorded. In early July, there were 20 (24%) females with marsupia. The abundance of males was greater than that of females during this period. Juveniles were not found in July. Bibliography: Pallas 1771, Brandt 1833, Budde-Lund 1885, Borutzky 1945, 1978b. Hemilepistus ruderalis (Pallas, 1771) was identified us- ing identification keys from Borutzky (1945, 1978b) and Khisametdinova (2014) (Figure 3). Distribution: according to Schmalfuss (2003a), the distribution of this species includes the Crimea, the Cau- casus and Turkmenistan. Borutzky (1948) pointed out that representatives of the genus are known from the deserts of the Volga region, the Caucasus, Central Asia, Afghanistan, Iran, Asia Minor, and North Africa, whereas in Western Europe this genus is absent due to the lack of suitable ecological conditions. It has been reported from West Kazakhstan (Khisametdinova 2011). This record was the first for this species for Central Kazakhstan and the National Natural Reserve “Altyn Dala” (Bragina & Khisametdinova 2014). T. M. Bragina & D. D. Khisametdinova The woodlouse (Isopoda: Oniscidea) fauna of steppe habitats in the Kostanay region of Kazakhstan 115 17/1 • 2018, 111–119 Genus Protracheoniscus Verhoeff, 1917 Protracheoniscus almaatinus Borutzky, 1975 Material examined. 1 ♂, Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, nearby Rakhmet old village (now destroyed), bank of the river Uly-Zhilanshik, near holes of yellow ground squirrel (suslik) Spermophilus fulvus (Lichtenstein, 1823), from the clay soil, 10. V. 2013; 2 ♂♂, Kazakhstan, Ko- stanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, saline alkali soil, pitfall traps, 13.–25. V. 2013; 2 ♀♀, Kazakhstan, Kostanay Oblast, Amangeldy District, Na- tional Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, nearby village Rakhmet, graminoid veg- etation (meadow), 04. VII. 2013; 2 ♂♂, Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, old village Ayurkum, meadow (with mushrooms Agaricus sp.), 05. VII. 2013; 2 ♂♂, 3 ♀♀ (including 2 ♀♀ with marsupia), Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, old village Ayurkum, nearby small pond, 04. VII. 2013; 3 ♂♂, 1 ♀ (with marsupium), Ka- zakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, Akkum, plant association with Stipa sp., 05. VII. 2013. This species is probably widely distributed in the in- vestigated sites, but it was few in number and only 25 records have been made during the spring and summer. The species was also found in an apartment building. In spring 2013, only three males of P. almaatinus were re- corded. During the summer, nine females, three of them with marsupia, were collected. Protracheoniscus almaatinus Borutzky, 1975 was identi- fied on the basis of descriptions and drawings of this spe- cies from Borutzky (1975). Distribution: Kazakhstan: Almaty region (Schmal- fuss 2003a). This is the first time this species has been recorded in Central Kazakhstan and the National Nature Reserve “Altyn Dala”. Genus Protracheoniscus Verhoeff, 1917 Protracheoniscus major (Dollfus, 1903) SYN. – Metoponorthus major Material examined. 6 ♀♀ (with marsupia), Kazakh- stan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, nearby Rakhmet old vil- lage (now destroyed), bank of the river Uly-Zhilanshik, near holes of yellow ground squirrel (suslik) Spermophilus fulvus (Lichtenstein, 1823), from clay soil, 10. V. 2013; 3 ♂♂, 5 ♀♀ (with marsupia), Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, nearby village Rakhmet, 10. V. 2013; 1 ♂, 2 ♀♀ (with marsu- pia), Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, nearby village Rakhmet, pitfall traps, 25. V. 2013; 11 ♂♂, 29 ♀♀ (including 24 ♀♀ with marsupia), Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, saline alkali soil, pitfall traps, Figure 3: Hemilepistus ruderalis (Pallas 1771): 1 – ♂ 2 – ♀; a,b – first and second pleopods (on the ventral side); 3 – VII pereopod ♂: a – basipodite, b – ischiopodite, c – meropodite, d – carpopodite, e – propodite; 4 – head: a – antennae II, b – antennae I, c – eye; 5 – antennae II: a-d – segments of scape; e – segments of flagellum (from Khisametdinova 2014). Slika 3: Hemilepistus ruderalis (Pallas 1771): 1 – ♂ 2 – ♀; a, b – prva dva para zadkovih nožic (pogled s trebušne strani); 3 – hodilka VII ♂: a – bazipodit, b – ihiopodit, c – meropodit, d – karpopodit, e – propodit; 4 – glava: a – tipalka II, b – tipalka I, c – oko; 5 – tipalka II: a-d – členi osnove; e – členi biča (po Khisametdinova 2014). T. M. Bragina & D. D. Khisametdinova The woodlouse (Isopoda: Oniscidea) fauna of steppe habitats in the Kostanay region of Kazakhstan 116 17/1 • 2018, 111–119 13.–25. V. 2013; 5 ♂♂, 13 ♀♀ (including 12 ♀♀ with marsupia), Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, nearby village Rakhmet, gramineous vegetation (meadow), 04. VII. 2013; 8 ♂♂, 6 ♀♀ (including 6♀♀ with marsupia), 8 juv., Kazakh- stan, Kostanay Oblast, Amangeldy District, National Na- ture Reserve “Altyn Dala”, bank of the river Uly-Zhilan- shik, plant association with Anabasis salsa, pitfall traps, 04. VII. 2013; 3 ♂♂, 1 ♀ (with marsupia), Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, near Rachmet old village, clay small hill near the river Uly-Zhylanshik, pitfall, 04. 07. 2013; 4 ♂♂, 3 ♀♀ (with marsupia), 2 juv., Kazakhstan, Kosta- nay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, bank of the river Uly-Zhilanshik, nearby village Rakhmet, 1 ♀ (with marsupium), Kazakhstan, Kostanay Oblast, Amangeldy District, National Nature Reserve “Altyn Dala”, nearby village Rakhmet, steppe pasture, 04. VII. 2013. The woodlouse Protracheoniscus major was collected in different habitats of the shore of the river Uly-Zhilanshik. In spring 2013, 57 specimens of this species were collect- ed, of which 37 were females with marsupia. During this period, males were three times less than females. In the summer, 99 specimens of P. major were found, of which 46% were females with marsupia, and the proportion of juveniles was 10%. Thus, it can be noted that, compared with H. ruderalis, in this species the reproduction period occurs at an earlier date and for a more extended period. Generally during active period males were four times less than females. This species was identified using Gruner (1966a, b) with drawings and descriptions of Protracheoniscus major. Bibliography: Dollfus in Dyduch 1903, Strouhal 1929 (sub P. asiaticus), Semenkevitsh 1931, Gruner 1966a, 1966b, Dominiak 1970, Schmölzer 1974, Jędryczkowski 1979, Ilosvay 1985, Flasarová 1986, 1988, 1991, 1995, 1999, Kwon 1993. Distribution: from southeastern Germany to Central Asia (“Turkestan” (Schmalfuss 2003), probably Turkestan – South Kazakhstan region (remark by authors), Turk- menistan (Schmalfuss 2003a), and the south of the Eu- ropean part of Russia (Knipovich 1890–1907, Khisamet- dinova 2011). The authors report this species for the first time in Central Kazakhstan and in the National Nature Reserve “Altyn Dala”. Genus Desertoniscus Verhoeff, 1930 Desertoniscus subterraneus Verhoeff, 1930 Material examined. 1 ♂, 1 ♀, Kazakhstan, Kosta- nay Oblast, Amangeldy District, National Nature Re- serve “Altyn Dala”, nearby Rakhmet old village (now destroyed), bank of the river Uly-Zhilanshik, near holes of yellow ground squirrel (suslik) Spermophilus fulvus (Lichtenstein, 1823), in clay soil, 10. V. 2013; 4 ♀♀, Kazakhstan, Kostanay Oblast, Amangeldy District, Na- tional Nature Reserve “Altyn Dala”, bank of the river Uly- Zhilanshik, plant association with Anabasis salsa, pitfall traps, 04. VII. 2013. Only six specimens of Desertoniscus subterraneus were collected for the entire period of investi- gation in the reserve “Altyn Dala” during 2013. Bibliography: Verhoeff 1930, Borutzky 1945, 1959, 1978. Desertoniscus subterraneus was identified on the basis of descriptions, drawings and the identification key for De- sertoniscus spp. from Borutzky (1978). Distribution: According to Borutzky (1959, 1978), this species was recorded in Uzbekistan, Fergana region, near Urgench; in Tajikistan, Fergana Valley and Dushan- be region; in Turkmenistan, near the town Tagtabazar; in Kyrgyzstan, Teskey Ala-Too and Issyk-Kul Region. This species of woodlouse inhabits open sites. To avoid sun- light, they burrow deep into the soil or hide under moist shelter, such as fresh dung, heaps of brushwood and other debris (Borutzky 1948). Family CYLISTICIDAE Genus Parcylisticus Verhoeff, 1943 Parcylisticus dentifrons (Budde-Lund, 1885) Material examined. 1 ♂, Kazakhstan, Kostanay Oblast, Auliekol District, Naurzum National Nature Reserve, Tersek, Stipa lessingiana steppe, from holes of marmot (Marmota bobak (Statius Muller, 1776), 17. V. 2014. Bibliography: Budde-Lund (1885); Borutzky (1961, 1972, 1977); Schmalfuss (1989); Schmalfuss (2003); Jeppesen (2000). Parcylisticus dentifrons was identified on the basis of de- scriptions and drawings of this species from Schmalfuss (1989). Distribution: According to Schmalfuss (1989, 2003b), this species was recorded in the Stavropolsky kray, and the republics of Kabardino-Balkar, Ingushetia, Chechenia, Dagestan and North Ossetia-Alania (the Northern Cau- casus, Russia and Azerbaijan). Here it is recorded for the first time in Kazakhstan, in the central part of Kostanay Oblast and in the Naurzum Reserve. Family PORCELLIONIDAE Genus Porcellio Latreille, 1804 Porcellio scaber Latreille, 1804 Material examined. 1 ♂, Kazakhstan, Kostanay Oblast, Naurzum District, village Karamendy, in dwell- ing house, 20. IV. 2014. T. M. Bragina & D. D. Khisametdinova The woodlouse (Isopoda: Oniscidea) fauna of steppe habitats in the Kostanay region of Kazakhstan 117 17/1 • 2018, 111–119 Distribution: Europe, except the southeastern part, introduced worldwide (Schmalfuss, 2003a), known from Rostov Region (SW-Russia) (Khisametdinova 2007, 2011). First record for Kazakhstan. In addition, we can say that the total abundance of woodlice in the Naurzum National Nature Reserve was not more than two individuals per 0.25 m2 (Bragina 2004a, 2004b, 2016; Demina & Bragina 2014). Discussion An inventory of the woodlouse fauna of the former USSR yielded 190 species (Kuznetsova, Gongalsky 2012), but only 12 species were recorded from the territory of Ka- zakhstan. One species, Cylisticoides angulatus Schmalfuss, 2003, presented in the work of Kuznetsova, Gongalsky (2012) for the Astana area, is probably erroneous. This species was found to the west of the city of Astara in Azer- baijan (Schmalfuss 1989, 2003b), in the forest, and not in Astana (steppe zone). In addition, Schmalfuss (2003b) indicates a probable record of this species near Sochi (au- thors comment: most likely it was introduced there), but the specimen was female, so there is no precise confir- mation. Hemilepistus fedtschenkoi (Uljanin 1875) was re- corded in Semipalatinsk (East Kazakhstan, steppe zone) (Kuznetsova & Gongalsky 2012). Three species, H. nodo- sus Budde-Lund, 1885; H. pavlovskii Borutzky, 1954; H. rhinoceros Borutzky, 1958, were given without location details (Kuznetsova, Gongalsky 2012). Other species were recorded from outside the steppe zone in Kazakhstan. On the surrounding steppe and forest-steppe areas, few species of woodlice were recorded (Khisametdinova et al. 2016): Porcellio laevis Latreille, 1804 (Porcellionidae) recorded on an unspecified date between 1897 to 1917 by an unknown collector in the Barnaul Uyezd (forest- steppe and steppe zone), and four species were recorded in the south of Western Siberia (forest-steppe), though all four species Porcellio laevis Latreille, 1804, Tracheli- pus rathkii (Brandt, 1833), Cylisticus convexus (De Geer, 1778) and Trichoniscus pygmaeus Sars, 1898, are associ- ated with synanthropic habitats. With literature and our data on the territory of Kazakh- stan, 16 species of woodlice have been recorded currently (Table 1). 1 Desertoniscus subterraneus Verhoeff, 1930 Kg; Tu: (Kizil-arvat); Td: Samgar massif ; Kz: South Turgai (Central Kazakhstan, Kostanay region) = new for Kz! 2 D. zhelochovtzevi Borutzky, 1945 Kz: Akkul 3 Hemilepistus crenulatus (Pallas, 1771) Kz: Ustyrt, Betpak-Dala; Iq; In; Td: Samgar massif; Tu: Central Karakum, Kyzyl- Arvat; Uz: Zakaspiysk, Fergana regions; Kg 4 H. fedtschenkoi (Uljanin, 1875) Kz: Semipalatinsk; Tu: Krasnovodsk; Uz: Bukhara, Samarkand, Syrdaryinsk, Zakaspyisk regions 5 H. klugii (Brandt, 1833) Kz: Mangyshlak 6 H. nodosus Budde-Lund, 1885 Tu; Kz 7 H. pavlovskii Borutzky, 1954 Kz 8 H. rhinoceros Borutzky, 1958 Kz 9 H. ruderalis (Pallas, 1771) Kz: Djanybek (West Kazakhstan); South Turgai (Central Kazakhstan, Kostanat region) 10 Ligidium margaritae Borutzky, 1955 Kz: Alma-Ata region 11 Parcylisticus dentifrons (Budde-Lund, 1885) Kz: Central Kazakhstan: Naurzum Reserve, Kostanay region = new for Kz! 12 Porcellio scaber Latreille, 1804 Kz: Central Kazakhstan: village near Naurzum Reserve, Kostanay region = new for Kz! 13 Protracheoniscus almaatinus Borutzky, 1975 Kz: Alma-Ata; South Turgai (Central Kazakhstan, Kostanay region) 14 P. major (Dollfus, 1903) Ru: Rostov region; Ua: Kiev; Kz: South Turgai (Central Kazakhstan, Kostanay region) = new for Kz! 15 P. orientalis (Uljanin, 1875) Az: Baku, Mardakert; Bl: Berezinsky reserve; Kz: Mangyshlak; Tu: Bugdaily; Ru: Moscow, Orenburg, Primorie regions; Ua: Kremenetz, Odessa regions, Uz: Nukus; Zakaspyisk region 16 P. tzvetkovi Borutzky, 1975 Kz: Alma-Ata region, Uzun-Agach; Ru: Moscow region? Table 1: List of woodlouse species from the territory of Kazakhstan (resource: Kuznetsova & Gongalsky (2012), Borutzky (1945, 1954, 1955, 1958, 1961, 1975, 1978)) with the inclusion of new records (four species) from this study. Abbreviations: Az – Azerbaijan, Bl – Belarus, Iq – Iraq, In – Iran, Kz – Kazakhstan, Kg – Kyrgyzstan, Ru – Russia, Td – Tajikistan, Tu – Turkme- nistan, Ua – Ukraine, Uz – Uzbekistan. Tabela 1: Seznam mokric z območja Kazahstana (viri: Kuznetsova & Gongalsky (2012), Borutzky (1945, 1954, 1955, 1958, 1961, 1975, 1978)) z vključenimi novimi podatki (štiri vrste) iz te raziskave. Okrajšave: Az – Azerbajdžan, Bl – Belorusija, Iq – Irak, In – Iran, Kz – Kazakstan, Kg – Kirgizistan, Ru – Rusija, Td – Tadžikistan, Tu – Turkmenistan, Ua – Ukrajina, Uz – Uzbekistan. T. M. Bragina & D. D. Khisametdinova The woodlouse (Isopoda: Oniscidea) fauna of steppe habitats in the Kostanay region of Kazakhstan 118 17/1 • 2018, 111–119 In the south of the investigated area, we recorded four species (Hemilepistus ruderalis, Protracheoniscus major, P. almaatinus, Desertoniscus subterraneus), belonging to the family Agnaridae from the group Crinocheta (Kostanay Oblast, Southern Turgai, National Nature Reserve “Al- tyn Dala”) (Bragina & Khisametdinova 2014). All these species are typical inhabitants of deserts. In addition, the genus Desertoniscus is endemic to the Eurasian desert zone (Borutsky 1948). The aurthors recorded D. subterraneus Verhoeff, 1930 and P. major (Dollfus, 1903) for the first time from Kazakhstan. Also the species Parcylisticus den- tifrons and the synanthropic form of Porcellio scaber (Ko- stanay Oblast, Northern Turgai) were recorded for the first time from Kazakhstan. Parcylisticus dentifrons, repre- sented by a single record in this study. Specimens of this genus are distributed in the southeastern Mediterranean, and they are numerous in the North Caucasus, Trans Caucasia region, Dagestan and Azerbaijan, and also oc- cur in records from Kalmykia. Porcellio scaber is a highly typical synanthropic species and it occurs everywhere out- side of Northern and Central Europe. In the future, we will give attention in our research to the anthropogenic fauna of the region of the steppe zone. In particular, the fauna of the Rostov Region (eastern European steppes) of twenty one species of terrestrial isopods, which includes twenty species that were recorded in the anthropogenic landscape, while eight species were only recorded in the steppe landscape (Khisametdinova 2011). Conclusion The woodlouse fauna of many parts of the steppe zone is still largely undiscovered. As the result of our investiga- tion, six species of woodlouse (Crustacea: Isopoda: Onis- cidea), belonging to five genera and three families, were recorded from steppe in Kazakhstan (central and southern part of Kostanay Region). On the territory of Kazakhstan, 16 species of woodlouse have been recorded. Further stud- ies are needed in other regions of the Asian steppes to give a representative overview of the distribution of terrestrial isopods, as well as synanthropic species of the region. Acknowledgments We are very grateful to all the supporters who assisted in the field observations, especially Dr. Yevgeny Bragin. We also thank everybody who contributed to this work by discussing and providing comments, especially Dr. Or- solya Valkó and Dr. Stephen Venn, for editorial support, linguistic editing and handling. We thank the Eurasian Dry Grassland Group (EDGG) for the possibility to pub- lish this paper. References Anderson, J. M. & Ingram, J. S. 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