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Now showing items 1-16 of 16
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Assessing the chemical ecology and shelter-seaking behaviour of the grainchinch bug, Macchiademus diplopterus (hemiptera: lygaeidae) for optimisation of trapping during aestivation
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: The grain chinch bug (GCB), Macchiademus diplopterus (Distant) (Hemiptera: Lygaeidae) is a key quarantine pest of South African export fruit and is endemic to the Western Cape Province. The pest is ... -
Assessment of the invasive German wasp, Vespula germanica, in South Africa
(Stellenbosch : Stellenbosch University, 2015-04)ENGLISH ABSTRACT: The invasive social wasp, Vespula germanica (Fabricius, 1793) (Hymenoptera: Vespidae), stands out as a remarkably successful insect invader worldwide. It flourishes in newly invaded ecosystems, where it ... -
The bio-ecology of the Cape grapevine leafminer, Holocacista capensis (Lepidoptera: Heliozelidae), in the Western Cape
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: The Cape grapevine leafminer, Holocacista capensis Nieukerken & Geertsema (Lepidoptera: Heliozelidae), occurring on Vitis vinifera L., has recently become of economic importance in the Western Cape, South ... -
Biology and ecology of the false codling moth, Thaumatotibia leucotreta (Meyrick)
(Stellenbosch : Stellenbosch University, 2013-12)ENGLISH ABSTRACT: Thaumatotibia leucotreta, the false codling moth (FCM), is a phytosanitary pest in South Africa posing a substantial threat to many of the country’s international export markets. Its pest status is of ... -
Determining the quality of mass reared male codling moth, Cydia pomonella (Lepidoptera: Tortricidae), by assessing flight performance under laboratory, semi-field and field conditions.
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: The codling moth, Cydia pomonella (Linnaeus) (Lepidoptera: Tortricidae), is the insect pest that poses the greatest threat to the South African pome fruit industry. Traditionally, insecticides have been ... -
Developing an integrated management system for western flower thrips, Frankliniella occidentalis (Pergande), on deciduous fruit, using semiochemicals in a push-pull strategy
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: Western flower thrips (WFT), Frankliniella occidentalis (Pergande), causes both feeding (russetting and silvering) and oviposition (pansy spot) damage to fruit. Despite routine insecticide applications ... -
Development of a habitat management plan for improving the biological control of the vine mealybug planococccus ficus (signoret) in vineyards
(Stellenbosch : Stellenbosch Univerisity, 2015-03)ENGLISH SUMMARY: The vine mealybug, Planococcus ficus (Signoret) is a major, cosmopolitan pest in all regions where grapes are grown. Vine mealybug has a direct injurious effect on vines through feeding, produces ... -
Efficacy of entomopathogenic nematodes and fungi as biological control agents of woolly apple aphid, Eriosoma lanigerum (Hausmann) (Hemiptera: Aphididae) under South African conditions
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: The woolly apple aphid (WAA), Eriosoma lanigerum (Hausmann) is an important pest of apples, (Malus domestica Borkh.). Severe infestations by WAA can lead to colonies near spurs that can deposit honeydew ... -
Fruit fly (Diptera : Tephritidae) ecology in the Western Cape, South Africa
(2015-12)ENGLISH ABSTRACT: The Mediterranean fruit fly (medfly) Ceratitis capitata (Wiedemann) and the Natal fly C. rosa Karsch are two important tephritid pest species of commercially grown deciduous fruit in the Western Cape. ... -
The importance of renosterveld conservation based on insect diversity sampled in West Coast Renosterveld in the Western Cape of South Africa
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: Research in the Fynbos Biome mainly focussed on the exceptional high plant diversity, especially of the Cape Floristic Region. However, there remains a poor understanding of the insect life found in this ... -
Integrative taxonomy of the endemic Karoo agile grasshoppers, the Euryphyminae
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The Euryphyminae are a small, African subfamily of grasshoppers which are not very well known. They are endemic to sub-Saharan Africa and consist of 23 genera, 16 of which have records of occurrence in ... -
Investigating biological control agents for the management of Ceratitis capitata (Wiedemann)
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Persistent fruit damage and loss caused by fruit flies (Diptera: Tephritidae) has occasioned the reliance on chemical control methods for their management in the fruit industry. However, social, environmental ... -
Population genetic structure and abundance of two Ceratitis species (Tephritidae) of agricultural importance in South Africa
(Stellenbosch : Stellenbosch University, 2014-12)ENGLISH ABSTRACT: Research in the field of biological invasions has increased dramatically in the last two decades, especially due to the impact of human activity such as, transport, travel and international trade. Different ... -
Potential ecosystem services and disservices of arthropods associated with Cyclopia (Honeybush) species.
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Cyclopia species, commonly known as honeybush, are endemic to the Eastern and Western Cape of South Africa. Honeybush has historically been used as a tea, but has more recently been proven to have medicinal ... -
Status of the invasive wasp species, Vespula germanica and Polistes dominula in South Africa, and the feasibility of various management strategies
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: The main objective of this study was to determine the current status of two invasive wasps, Vespula germanica and Polistes dominula, in South Africa and to explore the feasibility of implementing various ... -
A study on the biological and physiological traits of Bactrocera dorsalis, with special reference to its invasion potential into the Western Cape of South Africa
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Bactrocera dorsalis (Hendel) is of Asian origin and is present in the northern and north-eastern parts of South Africa, but is still absent in other areas of the country including the Western Cape Province. ...
