Abstract
In the period 2012-2017 we investigated the occurrence of indigenous species of predatory mites in different cultivated plants in Slovenia. In a comprehensive study we confirmed the occurrence of the following predatory mites: Amblyseius andersoni (Chant, 1957), Euseius finlandicus (Oudemans, 1915), Euseius gallicus (Kreiter & Tixier, 2009), Euseius stipulatus (Athias-Henriot, 1960), Kampimodromus abberans (Oudemans, 1930), Neoseiulus californicus (McGregor, 1954), Paraseiulus triporus (Chant & Shaul, 1982) and Phytoseius horridus (Ribaga, 1904). In the paper all seven species are presented, but for the field of biological control A. andersoni, E. gallicus and N. californicus are the most interesting species. The first two of them are already on the List of indigenous organisms for the purpose of biological control, while the third will be placed into it in the near future. All three of them have a great potential in biological control, since they can be found in different host plants.
Highlights
In the period 2012-2017 we investigated the occurrence of indigenous species of predatory mites in different cultivated plants in Slovenia
Plenilske pršice iz družine Phytoseiidae spadajo med pomembne biotične agense, ki lahko uspešno sodelujejo pri zatiranju človeškim očem težko vidnih škodljivih organizmov iz taksonov Tetranychoidea, Eriophyoidea, Thysanoptera in Homoptera (Stojnić et al, 2002) v sadovnjakih, vinogradih in na zelenjadnicah, gojenih na prostem in v zavarovanem prostoru (Palevsky et al, 1999), prehranjujejo pa se tudi z rastlinskim sokom in pelodom (Blackwood et al, 2001)
V avgustu smo v Slovenski Istri na različnih lokacijah nabirali vzorce vrtnin, v ekstenzivnem sadovnjaku na Laboratorijskem polju Biotehniške fakultete (46.049403;14.473137) pa smo vzorčili liste jablan, na katerih so bile predhodne vidne poškodbe rdeče sadne pršice (Panonychus ulmi [Koch])
Summary
Od junija do oktobra smo na različnih vrtninah in sadnih vrstah nabirali vzorce listov. V letu 2014 smo od maja do oktobra v sklopu načrtnega vzorčenja škodljivih žuželk v dveh različnih travniških rastlinjakih na območju Ribnice in Kočevja nabirali liste jablan, kjer smo opazili poškodbe pršic prelk (Tetranychidae). V letu 2016 smo med aprilom in oktobrom v sklopu načrtovanega vzorčenja škodljivih žuželk na različnih lokacijah v Slovenski Istri nabirali vzorce gojenih in samoniklih rastlin. V jugozahodni Sloveniji smo na različnih lokacijah in gostiteljskih rastlinah nabrali poškodovane liste zaradi pršic prelk. Julija smo v Bukovici (45.89.5899; 13.665020) nabrali vzorce listov kumar in paprike, ki so jih gojili v rastlinjaku. Julija smo v Zgornji Pohanci (45.93848; 15.54116) na jagodah nabrali tiste liste, ki so kazali poškodbe zaradi fitofagnih pršic.
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