The Occurrence of Hymenoptera: Aculeata on Mine Spoil Heaps After Shale Extraction (Jakartovice, Nízký Jeseník Mts)

ISSN 2336-3193 Acta Mus. Siles. Sci. Natur., 69: 55-63, 2020 DOI: 10.2478/cszma-2020-0004 Published: online 31 March 2020, print March 2020

The occurrence of Hymenoptera: Aculeata on mine spoil heaps after shale extraction (Jakartovice, Nízký Jeseník Mts)

Rostislav Poláček

The occurrence of Hymenoptera (Aculeata) on mine spoil heaps after shale extraction (Jakartovice, Nízký Jeseník Mts). – Acta Mus. Siles. Sci. Natur. 69: 55-63, 2020.

Abstract: The devastation of natural components and the appearance of the landscape in connection with mining activities does not necessarily have only a negative impact. Post-mining landscape happens an important and recently the only place to live many species of organisms, plants and animals. In this context, the importance of these sites is mainly associated with Invertebrata including insects, which can replace their natural habitats. The author presents the results of his research on Hymenoptera: Aculeata on heaps created as unused waste after clay slate mining in the region of Nízký Jeseník Mts. This two-year research (2018–2019) focused on wasps, bumble bees and solitary bees was carried out at ten selected sites mainly in the cadastral area of the municipality of Jakartovice (Opava district).

Key words: insect, Hymenoptera, Aculeata, solitary bees, shale, shale mining, heap, mining landscape, Nízký Jeseník Mts.

Introduction

In recent years, many species of insects have been endangered and subsequently destroyed by the decline in natural habitats (Krása 2012). The territory of Nízký Jeseník Mts. has always belonged to areas with a highly developed mining industry. In addition to silver, gold, lead, copper, etc., roofing slate was mined here since the 18th century (Janoška 2001). Mining of slate has left behind many mining constructions and other post-mining sites (eg abandoned quarries, quarry ponds, mines, adits, drains, shafts, heaps, etc.). In recent years these places are colonized by unique plant and animal communities, especially species with extremely pronounced claims. Often these are rare and endangered species, for example Priocnemis melanosoma, Anoplius alpinbalticus, Evagetes alamannicus, Rhopalum gracile etc. (Řehounek et al. 2015). Bogusch & Straka (2012) report that the Hymenoptera: Aculeata are primarily linked to a forestless landscape and are a very valuable indicator group for various forestless but also bright forest habitats. Anthropogenic habitats (sandboxes, tailings, quarries, landfills and other similar types of mining sites) replace suitable habitats for Hymenoptera where they previously occurred (e.g. dunes, steppes and other related habitats). Such places that gradually disappear from nature.

Material and methods

The area of interest for research on the species of Hymenoptera was the old heaps created as waste of quarry mining of shale roofing. The heaps are located in a lane between Bohdanovice and Jakartovice (Opava district). In 1971, research on the possibility of using waste material was carried out on these heaps and 677 900 m3 of clay shale reserves were quantified (Staněk 1971). All material was obtained using two capture methods. The first method was a Moericke bowl (yellow, white, red and blue) with a diameter of 9 cm and a height of 3 cm. Eight pieces (two of each color) were exposed at each of the nine habitats (1 to 9) in both years of research, i.e. from April to September 2018 and from March to October 2019. A habitat 3A was used only in the second year of research. To preserve the specimens, the bowls were filled with saline (NaCl) solution with a few drops of detergent to reduce surface tension for faster insect drowning. The second method of collection of individual specimens was realized by means of portable capture aids (catcher, test tube, entomological net), i.e. free capture.

The specimens were then placed in a mortal, in which ethyl acetate (ethyl acetate C4H8O2) was dripped onto a paper surface. The data for all species are listed in the order: habitat number, date of collection, number of specimens, sex (M = male, F = female), collection method (FC = free capture, MW = Moericke bowl white, MR = Moericke bowl red, MB = Moericke bowl blue, MY = Moericke bowl yellow). For species included to the Red list of threatened species of the Czech Republic as NT – Nearly Threatened (Hejda et al. 2017). General information regarding hymenoptera was taken from Straka et al. (2007) and Macek et al. (2010). The identification of bumblebees was made by Vladimír Smetana according to Pavelka & Smetana (2000). Other Hymenoptera (Aculeata) were identified by Libor Dvořák and Petr Bogusch according to Schmid- Egger (2004) and Dvořák & Roberts (2006) for Vespidae, Linsenmaier (1997) for Chrysididae, Oehlke & Wolf (1987) for Pompilidae, Zavadil & Šnoflák (1948) and Jacobs (2007) for Sphecidae, Amiet (1996), Scheuchl (1996), Schmid-Egger & Scheuchl (1997), Amiet et al. (1999), Scheuchl (2000), Amiet et al. (2001), Warncke (1192) and Amiet et al. (2004) for Apidae. The nomenclature bumblebees follows Williams et al. (2008), other Hymenoptera (Aculeata) according to Bogusch et al. (2007).

Area of interest

For all monitored habitats the author states: habitat number, the number of faunistic code of the Central European mapping grid system, geographic coordinates, cadastral area, altitude. Bold are the numbers of the individual habitats that are used in this form in the species overview.

1. 6071, 49°54´51´Ń; 17°39´25´É, Jakartovice, 466 m a. s. l. 2. 6071, 49°54´49´Ń; 17°39´15´É, Jakartovice, 468 m a. s. l. 3. 6071, 49°54´35´Ń; 17°39´12´É, Jakartovice, 474 m a. s. l. 3A. 6071, 49°54´34´Ń; 17°39´5´É, Jakartovice, 466 m a. s. l. 4. 6071, 49°54´39´Ń; 17°39´8´É, Jakartovice, 476 m a. s. l. 5. 6071, 49°55´1´Ń; 17°39´26´É, Jakartovice, 468 m a. s. l. 6. 6071, 49°55´26´Ń; 17°39´50´É, Jakartovice, 405 m a. s. l. 7. 6071, 49°56´1´Ń; 17°39´16´É, Svobodné Heřmanice, 438 m a. s. l. 8. 6071, 49°55´23´Ń; 17°39´47´É, Jakartovice, 400 m a. s. l. 9. 6071, 49°54´53´Ń; 17°39´14´É, Jakartovice, 469 m a. s. l.

Results

SUPERFAMILY VESPOIDEA FAMILY POMPILIDAE

Agenioideus cinctellus (Spinola, 1808) 4., 10. VI. 2018, 1 F, FC; 5., 27. VII. 2019, 1 F, MR; 3A., 4., 7., 9., 3. VIII. 2019, 4 M, 4 F, MB, MR, MW, MY; 4., 6., 7., 9., 10. VIII. 2019, 2 M, 3 F, MB, MW Agenioideus sericeus (Vander Linden, 1827) 9., 27. VII. 2019, 1 F, MY; 7., 3. VIII. 2019, 2 M, 1 F, MR, MW; 7., 9., 10. VIII. 2019, 3 M, 2 F, MW, MY Agenioideus usurarius (Tournier, 1889) 9., 27. VII. 2019, 1 M, 2 F, MB, MR, MY Anoplius infuscatus (Van der Linden, 1827) 5., 10. VI. 2018, 1 M, MY Anoplius nigerrimus (Scopoli, 1763) 6., 10. VIII. 2019, 1 F, MY Arachnospila anceps (Wesmael, 1851) 5., 6. V. 2018, 1 M, MY; 5., 10. VI. 2018, 3 M, MW, FC; 5., 22. IX. 2018, 1 F, MW Arachnospila minutula (Dahlbom, 1842) 5., 1. IX. 2019, 1 F, MW Auplopus carbonarius (Scopoli, 1763) 7., 10. VIII. 2019, 1 F, MY; 3A., 6. X. 2019, 1 F, MY Cryptocheilus notatus (Rossi, 1792) 5., 27. VII. 2019, 1 M, MY

Dipogon bifusciatus (Geoffroy, 1785) 3., 10. VIII. 2019, 1 F, MB Dipogon subintermedius (Magretti, 1886) 2., 10. VIII. 2019, 1 F, MR Priocnemis cordivalvata Haupt, 1926 3A., 10. VIII. 2019, 1 M, MB Priocnemis perturbator (Harris, 1780) 1., 29. IV. 2018, 1 M, MW; 7., 7. IV. 2019, 1 M, FC; 3A., 8., 21. IV. 2019, 3 M, MB, MW Priocnemis pusilla (Schioedte, 1837) 2., 10. VIII. 2019, 1 F, MB; 1., 1. IX. 2019, 1 F, MB

FAMILY VESPIDAE

Polistes dominula (Christ, 1791) 9., 7. IX. 2019, 1 F, MR Polistes nimpha Christ, 1791 2., 22. IX. 2018, 1 M, MW; 5., 21. IV. 2019, 1 F, MW Vespula germanica Fabricius, 1793 7., 22. IX. 2018, 1 F, MW; 3., 6. X. 2019, 1 F, MY Vespula vulgaris Linnaeus, 1758 1., 2., 3., 4., 5., 6., 7., 8., 8. IX. 2018, 35 F, MW, MR, MB, MY; 4., 5., 6., 10. IX. 2018, 5 F, MW, MR, MY; 1., 28. IX. 2018, 1 F, MB; 2., 3., 8., 9., 3. VIII. 2019, 6 F, MW, MY; 1., 3., 3A., 10. VIII. 2019, 5 F, MB, MR, MY; 1., 2., 9., 1. IX. 2019, 7 F, MB, MR, MW, MY; 1., 7. IX. 2019, 1 F, MW; 1., 3A., 28. IX. 2019, 4 F, MR, MY; 2., 3., 3A., 6. X. 2019, 4 F, MB, MR, MY

SUPERFAMILY APOIDEA FAMILY ANDRENIDAE

Andrena bicolor Fabricius, 1775 1., 2., 3., 3A., 4., 5., 6., 7., 8., 7. IV. 2019, 1 M, 41 F, MW, MB, MY; 2., 4., 5., 9., 21. IV. 2019, 4 F, MB, MW, MY Andrena cineraria (Linnaeus, 1758) 1., 2., 3A., 4., 5., 8., 7. IV. 2019, 14 M, 1 F, MB, MW, MY; 2., 3., 3A., 4., 21. IV. 2019, 5 M, 4 F, MB, MY Andrena flavipes (Panzer, 1799) 1., 7. IV. 2019, 1 F, MY, (stylops) Andrena fucata Smith, 1847 5., 7. IV. 2019, 1 F, MB; 9., 8. V. 2019, 2 F, MB, MW; 4., 18. V. 2019, 1 F, MW Andrena fulva Fabricius, 1793 1., 22. IV. 2018, 1 F, FC; 7., 7. IV. 2019, 2 F, MB, MW; 5., 9., 21. IV. 2019, 4 F, MW; Andrena gravida Imhoff, 1832 1., 7. IV. 2019, 1 M, MW; 7., 21. IV. 2019, 1 F, MY Andrena haemorrhoa (Fabricius, 1781) 1., 29. IV. 2018, 1 F, MY Andrena minutula (Kirby, 1802) 1., 3., 4., 29. IV. 2018, 4 M, 4 F, MW, MB, MY; 3., 4., 6. V. 2018, 3 F, MW, MB; 1., 2., 3A., 5., 6., 7., 8., 7. IV. 2019, 3 M, 7 F, MW, MY; 3A., 21. IV. 2019, 1 F, MY, 5., 8. V. 2019, 1 M, MY; 1., 5., 18. V. 2019, 2 M, 3 F, MW, MY; 5., 9., 27. VII. 2019, 2 F, MB, MW Andrena nigroaenea (Kirby, 1802) 1., 3., 29. IV. 2018, 3 M, 5 F, MW, MY; 7., 7. IV. 2019, 7 F, MY; 7., 9., 21. IV. 2019, 8 F, MB, MW; 5., 7., 9., 8. V. 2019, 3 F, FC, MB, MW Andrena nitida (Müller, 1776) 4., 10. VI. 2018, 1 M, FC Andrena strohmella Stöckhert, 1928 3., 29. IV. 2018, 1 M, MW; 3., 3A., 6., 7., 7. IV. 2019, 5 F, MW, MY; 7., 21. IV. 2019, 1 F, MY; 5., 8. V. 2019, 1 M, MY Andrena varians (Kirby, 1802) 1., 4., 29. IV. 2018, 1 M, 1 F, MW

FAMILY APIDAE

Anthophora plumipes (Pallas, 1772) 9., 6. V. 2018, 1 F, MB; 6., 8., 7. IV. 2019, 2 M, MB; 4., 7., 21. IV. 2019, 1 M, 2 F, FC, MB Apis mellifera Linnaeus, 1758 1., 3., 4., 29. IV. 2018, 3 F, MW, MB; 3., 3A., 4., 7., 9., 21. IV. 2019, 11 F, MB, MW, MY; 3., 3A., 3. VIII. 2019, 2 F, MB, MW; 3A., 6., 7., 10. VIII. 2019, 3 F, MB, MR, MW Bombus campestris (Panzer, 1801) 4., 19. VII. 2018, 1 M, FC Bombus hortorum (Linnaeus, 1761) 2., 3A., 7. IV. 2019, 4 F, MB, 3A., 5. X. 2019, 1 M, 2 F, MB Bombus lapidarius (Linnaeus, 1758) 5., 1. IX. 2019, 1 F, MW Bombus lucorum (Linnaeus, 1758) 2., 7. IV. 2019, 2 F, MB, MY Bombus pascuorum (Scopoli, 1763) 4., 10. VI. 2018, 2 F, FC; 4., 19. VII. 2018, 1 F, FC; 3A., 7. IV. 2019, 2 F, MB Bombus pratorum (Linnaeus, 1761) 3A., 7. IV. 2019, 1 F, MB Bombus rupestris (Fabricius, 1793) 1., 6. V. 2018, 1 F, MB Bombus soroeensis (Fabricius, 1776) NT 5., 7. IV. 2019, 1 F, MW Bombus terrestris (Linnaeus, 1758) 8., 10. VI. 2018, 1 F, FC; 7., 7. IV. 2019, 1 F, MW; 1., 4., 3. VIII. 2019, 1 M, 1 F, MB, MW Melecta albifrons (Förster, 1771) 7., 7. IV. 2019, 2 M, FC, MW; 7., 21. IV. 2019, 3 M, FC, MW Nomada conjungens Herrich-Schäffer, 1839 5., 29. IV. 2018, 2 M, MW, MB; 5., 6. V. 2018, 1 M, MY Nomada fabriciana (Linnaeus, 1767) 6., 8. V. 2019, 1 M, MW Nomada ferruginata (Linnaeus, 1767) 2., 7. IV. 2019, 1 F, MW Nomada flava Panzer, 1798 7., 8. V. 2019, 1 F, FC Nomada flavoguttata (Kirby, 1802) 1., 29. IV. 2018, 1 M, MY; 5., 18. V. 2019, 1 M, MY Nomada fulvicornis Fabricius, 1793 9., 29. IV. 2018, 1 F, MW Nomada lathburiana (Kirby, 1802) 5., 21. IV. 2019, 1 F, MY Nomada moeschleri Alfken, 1913 6., 8. V. 2019, 1 F, MW Nomada succincta Panzer, 1798 5., 6. V. 2018, 1 M, MB

FAMILY COLLETIDAE

Hylaeus angustatus (Schenck, 1861) 5., 27. VII. 2019, 1 F, MR Hylaeus incongruus Forster, 1871 7., 10. VIII. 2019, 1 F, MB Hylaeus signatus (Panzer, 1798) 4., 10. VI. 2018, 2 M, FC

FAMILY CRABRONIDAE

Astata boops (Schrank, 1781) 7., 10. VIII. 2019, 1 F, MW Crossocerus cetratus (Shuckard, 1837) 9., 10. VIII. 2019, 1 F, MY; 9., 1. IX. 2019, 1 F, MY Ectemnius cephalotes (Olivier, 1792) 6., 10. VIII. 2019, 1 M, MW Ectemnius ruficornis (Zetterstedt, 1838) 3., 3. VIII. 2019, 1 F, FC Rhopalum clavipes (Linnaeus, 1758) 8., 22. IX. 2018, 1 F, MB Stigmus solskyi (Morawitz, 1864) 7., 10. VIII. 2019, 1 M, 1F, MY Trypoxylon medium de Beaumont, 1945 9., 10. VIII. 2019, 1 M, MW Trypoxylon minus Beaumont, 1945 5., 6., 6. V. 2018, 1 M, 1 F, MW, FC; 5., 10. VI. 2018, 1 F, FC; 5., 27. VII. 2019, 2 F, MY; 6., 3. VIII. 2019, 1 M, MY; 1., 3A., 6., 7., 10. VIII. 2019, 6 M, 9 F, MR, MW, MY

FAMILY HALICTIDAE

Halictus leucaheneus Ebmer, 1972 5., 1. IX. 2019, 1 F, MW Halictus maculatus Smith, 1848 1., 29. IV. 2018, 1 F, MY Halictus subauratus (Rossi, 1792) 7., 3. VIII. 2019, 1 F, MB; 7., 10. VIII. 2019, 3 F, MB, MY Halictus tumulorum (Linnaeus, 1758) 1., 2., 29. IV. 2018, 3 F, MW, MY; 6., 8. IX. 2018, 1 F, MB; 3A., 7. IV. 2019, 1 F, MY; 1., 21. VII. 2019, 1 F, MB Lasioglossum aeratum (Kirby, 1802) 3A., 7. IX. 2019, 1 F, MW Lasioglossum calceatum (Scopoli, 1763) 8., 29. IV. 2018, 1 F, MW; 9., 6. V. 2018, 1 F, MB; 3., 10. IX. 2018, 1 F, MW; 1., 22. IX. 2018, 2 F, MB; 1., 3A., 5., 7. IV. 2019, 6 F, MW, MY; 3A., 4., 8., 21. IV. 2019, 6 F, MB, MW, MY; 9., 8. V. 2019, 1 F, MW Lasioglossum fulvicorne (Kirby, 1802) 3A., 6., 8., 7. IV. 2019, 3 F, MY; 8., 21. IV. 2019, 1 F, MW Lasioglossum lativentre (Schenck, 1853) 3A., 21. IV. 2019, 1 F, MB; 9., 3. VIII. 2019, 1 M, MB; 5., 9., 10. VIII. 2019, 2 M, MB Lasioglossum minutissimum (Kirby, 1802) 7., 8. V. 2019, 1 F, MY Lasioglossum morio (Fabricius, 1793) 5., 29. IV. 2018, 3 F, MB, MY; 5., 10. VI. 2018, 1 F, MW; 1., 4., 22. IX. 2018, 2 F, MW, MB; 1., 6., 8., 7. IV. 2019, 4 F, MY; 3., 3A., 4., 21. IV. 2019, 4 F, MB, MW; 5., 18. V. 2019, 1 F, MW; 5., 27. VII. 2019, 4 F, MY; 5., 3. VIII. 2019, 1 F, MB; 1., 7., 10. VIII. 2019, 7 F, MB, MW, MY; 3A., 6. X. 2019, 1 F, MB Lasioglossum nitidiusculum (Kirby, 1802) 8., 21. IV. 2019, 1 F, MY Lasioglossum pauxillum (Schenck, 1853) 3., 29. IV. 2018, 1 F, MB; 6., 6. V. 2018, 1 F, MB; 3A., 21. IV. 2019, 1 F, MY; 5., 7., 10. VIII. 2019, 1 M, 2 F, MW, MY Lasioglossum politum (Schenck, 1853) 6., 10. VIII. 2019, 1 F, MY Lasioglossum villosulum (Kirby, 1802) 7., 8. V. 2019, 1 F, MY; 9., 7. IX. 2019, 1 F, MY

Sphecodes ephippius (Linnaeus, 1767) 5., 27. VII. 2019, 1 F, MW Sphecodes ferruginatus Hagens, 1882 3A., 7. IV. 2019, 1 F, MY Sphecodes gibbus (Linnaeus, 1758) 4., 22. IV. 2018, 1 F, FC

FAMILY CHRYSIDIDAE

Chrysis angustula Schenck, 1856 9., 27. VII. 2019, 1 F, MB

FAMILY MEGACHILIDAE

Hoplitis claviventris (Thomson, 1872) 6., 10. VIII. 2019, 1 F, MB Osmia bicornis (Linnaeus, 1758) 1., 8., 29. IV. 2018, 2 M, MW, MB; 5., 6. V. 2018, 1 M, MB; 3A., 5., 9., 21. IV. 2019, 10 M, MB, MW; 5., 9., 8. V. 2019, 11 M, MB, MW, MY Osmia rufohirta Latreille, 1811 3., 21. IV. 2019, 1 F, MB

FAMILY SPHECIDAE

Ammophila sabulosa (Linnaeus, 1758) 4., 6., 10. VI. 2018, 3 F, MR, MY, FC; 1., 5., 27. VII. 2019, 1 M, 1 F, MW; 1., 3. VIII. 2019, 1 F, MY; 6., 10. VIII. 2019, 2 F, MR, MY; 6., 1. IX. 2019, 1 M, MW

All the results presented here were obtained on the basis of twenty-three visits on the surveyed habitats between April 2018 and October 2019. A total 84 Hymenoptera species belonging to 10 families. Most species have families Apidae (21), Halictidae (17) and Pompilidae (14) were found.

Discussion

Although the Hymenoptera: Aculeata have been studied in the Czech Republic for a long time, published faunistic works from some areas are more or less unique. This also applies to the territory of north-eastern Moravia and Silesia. A systematic survey of the suborder Aculeata has not yet been conducted in the area of interest. Partial works in the last twenty years include the work of Dvořák et al. (2006) from the Ostrava region. Then Dvořák (2005), who published finds of social and paper wasps (Hymenoptera: Vespidae: Vespinae at Polistinae) in the collections of the Museum of Beskydy Frýdek-Místek and Dvořák (2009), where the author presents the results of the study of social wasps (Hymenoptera: Vespidae: Vespinae) in the collections of the Silesian Museum in Opava. Inventory survey of wasps and bumble bees in the National Nature Reserve Rejvíz in the area of Hrubý Jeseník Mts. was carried out by Bezděčka (2005). Mazalová et al. (2009) and Mazalová & Kuras (2010) published a study of bumblebees (Hymenoptera: Apidae: Bombus) in the Praděd National Nature Reserve. Research results in 2006-2009 from twenty selected localities representing a number of natural conditions (including post-mining sites) of north-eastern Moravia and Silesia was published by Dvořák et al. (2010). However, none of the sites concerned the area of interest. In 2007 to 2011 research was carried out at the localities of Karviná within the framework of non-natural habitats of the Czech Republic by Gremlica et al. (2011).

The survey of sites with historical influence of agricultural and forestry activities in Moravia and Slovakia (including Silesia - Nízký Jeseník Mts., Hrubý Jeseník Mts.) was made by Přidal (2014). At present, 84 species of Hymenoptera insects from 10 families (e.g. 9 species of Bombus spp., 18 species of Vespoidea etc.) were found from the area of interest. From the family Vespidae were found basically only common species typical of the sites where they were collected. The species Vespula vulgaris, which was found in all ten sites, represents the most captured specimen (68 ex.). Also found bumble bees are frequent representatives of pollinators of our fauna. Warm sunny habitats look for common eremophilic species, including Bombus terrestris and B. rupestris. On the other hand, humid and colder places look for hylophilic species, such as B. lucorum, B. pascuorum and B. campestris. Typical forest species include B. pratorum (Dvořák et al. 2010). Perhaps the most interesting and relatively rare is the finding of the Carpathian subspecies B. soroeensis soroeensis, which prevails in Slovakia, and its continuous and regular occurrence ends on the Moravian-Slovak borderland. This species is classified as almost endangered (NT) in the current issue of the Red List of Endangered Species of the Czech Republic (Hejda et al. 2017). Superfamily Apoidea. The species Andrena bicolor (46 ex.) and A. minutula (23 ex.) were captured at all habitats. In contrast, other species were found in only one habitat, Nomada conjugens (5.), N. fulvicornis (9.), N. lathburiana (5.), N. succincta (5.), Crossocerus cetratus (9.), Trypoxylon minus (9.), Halictus leucaheneus (5.), Lasioglossum aeratum (3A.), Sphecodes ephippius (5.), S. ferruginatus (3A.) and Chrysis angustula (9.). Interesting is the habitat number 7, which is an enclave in the agricultural landscape. Only on this island in the landscape were found species Melecta albifrons, Nomada flava, Hylaeus incongruus, Astata boops, Stigmus solskyi, Halictus subauratus and Lasioglossum minutissimum. Most species were found at habitat No. 5 (29 species; 9 families). It is a dry, sunny place with minimal vegetation suitable especially for xerothermal species. Common species of Central European landscape were captured from the Apoidea group.

Conclusion

The author assumes that the observed species amount of Hymenoptera: Aculeata is only a fraction of the species that inhabits the area of interest. This work represents the first mention of their occurrence within the mining sites on the heaps after the slate mining in the area of Nízký Jeseník Mts. The results of the survey present a supplement of knowledge about the spread of this group of insects in the Czech Republic.

Acknowledgements: Author wishes to thank Libor Dvořák (Tři Sekery, Mariánské Lázně), Petr Bogusch (Faculty of Natural Science, University Hradec Králové) and Vladimír Smetana (Tekovské Museum in Levice) for their selfless and friendly professional help and advice not only in determination of individual insect species.

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Výskyt blanokřídlých Hymenoptera (Aculeata) na haldách po těžbě břidlice (Nízký Jeseník, Jakartovice)

Devastace přírodních složek a vzhledu krajiny v souvislosti s těžební činností nemusí mít nutně pouze negativní dopad. Posthornická krajina se stává významným a v poslední době často jediným místem pro život mnoha druhů organismů, rostlin i živočichů. V tomto kontextu je význam těchto míst spojován zejména s bezobratlými (Invertebrata) živočichy, kterým dokážou nahradit jejich přirozené biotopy. Autor prezentuje výsledky svého výzkumu žahadlových blanokřídlých (Hymenoptera: Aculeata) na haldách vzniklých jako nevyužitý odpad po těžbě jílovité břidlice na území Nízkého Jeseníku. Tento dvouletý výzkum (2018–2019) se zaměřením na vosy, čmeláky a samotářské včely probíhal na deseti vybraných stanovištích převážně v katastrálním území obce Jakartovice (okres Opava).

Author´s address: Rostislav Poláček, VŠB – Technical University of Ostrava, Faculty of Minning and Geology, Department of Environmental Engineering, 17. listopadu 15/2172, CZ-708 33 Ostrava-Poruba, Czech Republic.

E-mail: [email protected]