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  • Author or Editor: W. Sierka x
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The paper presents the results of investigations into the thrips fauna of plant communities of the Jaworznickie Hills. The study was conducted in selected forest, shrubby, xerothermic and meadow areas. The relations between thrips and their host plants were also observed. Three main associations of thrips were distinguished on the basis PCA and thrips abundance, species composition, domination structure and ecological elements. 84 species were recorded.

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At the end of the prosperity of the coal mining industry in Upper Silesia in Poland, new habitats were created in disturbed areas which, in the case of flooded mine subsidence, led to the formation of a type of ecological niche not encountered before. In the present work the authors describe the diversity of oak-hornbeam forest in the areas of flooded mine subsidence and the thrips communities connected with them. In 2006 and 2007, the thrips fauna of subsidence areas was sampled in biotopes directly associated with depressions (waterside, contact zones between aquatic and terrestrial — forest biotopes). In both ecosystems a total of 118 plant species and 56 thrips species were found. Disturbance of land resulting in flooded mine subsidence contributes to increased species diversity of both plants and thrips. Other kinds of disturbance such as traffic routes and its direct and indirect impact cause reduce numbers of plants and thrips species.

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The paper presents current data about the thrips fauna in the Ojcow National Park, Poland. Thrips were collected in various types of plant communities. From the qualitative point of view the study material represents 31 species (27 of Thripidae and 4 of Phlaeothripidae). Some ecological and chorological information were added.

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In the area of the Moravian Gate at Štramberk (Moravia, Czech Republic) detailed field investigations of Thysanoptera were conducted. The Gate offers the possibility of dispersal of thrips species from the South to the North and vice versa. A total of 359 samples were collected, from which 2367 adult specimens of Thysanoptera belonging to 55 species were obtained. Between them are species having their main distribution in the Southern parts of Europe, such as Aptinothrips elegans, Anaphothrips atroapterus, A. euphorbiae, Chirothrips aculeatus, Limothrips consimilis, Neohydatothrips abnormis, Rubiothrips pillichi, R. validus and Theilopedothrips pilosus .Additionally species were found that are absent or dispersed in Southern Europe, such as Aptinothrips stylifer, Chirothrips hamatus, Odontothrips loti and Platythrips tunicatus . In ancient times these species may have used the Moravian Gate, which has been passed by large armies and many traders (the amber route), carrying all kinds of plant products with them.

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Authors: P. J. Fedor, W. Sierka and O. Majzlan

In the past years thrips have not been more intensively studied in Slovakia than other systematic entomological groups. However, at the end of the 20th century a new generation of thysanopterologists was established to deal with faunistic, taxonomic, ecological, geographical as well as other main aspects of Slovakian thrips. The contribution presents the first national check-list of thrips (Insecta: Thysanoptera) of Slovakia accompanied with ecological and zoogeographical characteristics. According to older references published mostly in former Czechoslovakia the actual number of thrips in Slovakia has been estimated up to 151 species belonging to three families: Aeolothripidae Uzel, 1895 (12 spp.), Thripidae Stephens, 1829 (95 spp.) and Phlaeothripidae Uzel, 1895 (44 spp.).

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As part of the ornithological research on the breeding biology of the tree sparrow (Passer montanus) in the Jurský šúr National Nature Reserve (SW Slovakia), many specimens of the nidicolous fauna were collected from wooden nest boxes. Six species of Thysanoptera were predominantly represented by Limothrips denticornis (54.8%). Bark dwelling thrips (Hoplothrips semicaecus) migrate very actively on trunks and are able to invade the canopy and its bird nests. Woods surrounded by agricultural fields are often invaded by wind-blown graminicolous thrips (e.g. Limothrips cerealium ) which when abundant may infiltrate less suitable habitats. Zoochorous transport by birds (nest material) plays an important role in increasing the diversity of nest invertebrates. We assume that these thrips usually leave nests as their food source declines.

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Authors: W. Sierka, P. Fedor, L. Vasiliu-Oromulu, G. Jenser and D. Bărbuceanu

An overview is given on the thrips fauna from the Polish, Slovak and Romanian part of the Carpathians, a mountain chain in Central Europe. Records on the Thysanoptera of the Carpathians date back to 1902. A total of 205 thrips species have hitherto been recorded from this large part (79,1%) of the Carpathians. Endemics are Aeolothrips verbasci, Hoplothrips absimilis and Oxythrips tatricus. Apterothrips secticornis is the only glacial relict with boreoalpine distribution.

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