Browsing Research Articles (Forestry and Agricultural Biotechnology Institute (FABI)) by UP Author "Dittrich-Schroder, Gudrun"
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Browsing Research Articles (Forestry and Agricultural Biotechnology Institute (FABI)) by UP Author "Dittrich-Schroder, Gudrun"
Now showing items 1-10 of 10
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Dittrich-Schroder, Gudrun; Harney, Marlene; Neser, S. (Stefanus), 1942-; Joffe, Tanya; Bush, Samantha J.; Hurley, Brett Phillip; Wingfield, Michael J.; Slippers, Bernard (Elsevier, 2014-11)Selitrichodes neseri (Hymenoptera: Eulophidae) is a parasitoid of the invasive gall-forming wasp Leptocybe invasa (Hymenoptera: Eulophidae), which has caused serious damage to Eucalyptus plantations in many parts of the ...
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Gevers, C.R. (Caitlin); Slippers, Bernard; Germishuizen, Ilaria; Dittrich-Schroder, Gudrun; Hurley, Brett Phillip (NISC (Pty) Ltd and Informa UK Limited (trading as Taylor and Francis Group), 2022)Leptocybe invasa is an invasive gall wasp and pest of Eucalyptus trees, which has become widely distributed in Africa, Asia, Europe and the Americas. Several other wasp species have been found to co-occur in L. invasa-induced ...
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Dittrich-Schroder, Gudrun; Wingfield, Michael J.; Hurley, Brett Phillip; Slippers, Bernard (Wiley-Blackwell, 2012-11)1 Extensive variation to damage by the invasive gall-forming wasp Leptocybe invasa Fisher & LaSalle (Hymenoptera: Eulophidae) is known to exist amongst Eucalyptus genotypes. 2 In the present study, 30 of the 50 tested ...
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Dittrich-Schroder, Gudrun; Wingfield, Michael J.; Klein, Hildegard; Slippers, Bernard (Wiley-Blackwell, 2012-01)DNA extraction from minute hymenopterans and their larvae is difficult and challenging because of their small size indicating a low amount of starting material. Hence, 11 DNA extraction methods were compared to determine ...
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Bush, Samantha J.; Dittrich-Schroder, Gudrun; Neser, S. (Stefanus), 1942-; Gevers, Caitlin R.; Baffoe, Kwabena O.; Slippers, Bernard; Hurley, Brett Phillip (NISC (Pty) Ltd and Informa UK Limited (trading as Taylor & Francis Group), 2018)Leptocybe invasa, the blue gum chalcid, is a well-known pest of Eucalyptus globally. Since it was first observed in the Mediterranean and Middle East in 2000, it has spread to other countries where Eucalyptus have been ...
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Bush, Samantha J.; Slippers, Bernard; Dittrich-Schroder, Gudrun; Hurley, Brett Phillip (Entomological Society of Southern Africa, 2020-09)Glycaspis brimblecombei (Hemiptera: Aphalaridae) is an invasive, sap-sucking eucalypt pest in various parts of the world. Psyllaephagus bliteus(Hymenoptera: Encyrtidae) was first released as a biological control agent ...
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Gevers, Caitlin R.; Dittrich-Schroder, Gudrun; Slippers, Bernard; Hurley, Brett Phillip (Wiley, 2021-05)1. Leptocybe invasa is native to Australia and induces galls on various species of Eucalyptus. Two genetically distinct lineages of this wasp have been detected outside its native range, namely, Leptocybe Lineage A and ...
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Dittrich-Schroder, Gudrun; Hurley, Brett Phillip; Wingfield, Michael J.; Nahrung, Helen F.; Slippers, Bernard (Wiley, 2020-11)Gall‐forming hymenopterans of Eucalyptus species are highly successful invaders causing significant damage in non‐native plantation forests. To date, at least 16 of these species have been recorded as invasive eucalypt ...
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Van der Merwe, Elmarie; Slippers, Bernard; Dittrich-Schroder, Gudrun (MDPI, 2023-12)Egg activation is a cellular transition of an arrested mature oocyte into a developing embryo through a coordinated series of events. Previous studies in Hymenoptera have indicated that mechanical pressure can induce egg ...
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Dittrich-Schroder, Gudrun; Hoareau, Thierry B.; Hurley, Brett Phillip; Wingfield, Michael J.; Lawson, S.; Nahrung, H.F.; Slippers, Bernard (Springer, 2018-09)Increased rates of movement and the accumulation of insects establishing outside their native range is leading to the ‘global homogenization’ of agricultural and forestry pests. We use an invasive wasp, Leptocybe invasa ...
Now showing items 1-10 of 10