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West Ashley Library
9 a.m. - 7 p.m.
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Folly Beach Library
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John L. Dart Library
9 a.m. - 7 p.m.
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St. Paul's/Hollywood Library
9 a.m. - 8 p.m.
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The bio-ecology of the grapevine leaf miner, Holocacista capensis (Lepidoptera: Heliozelidae) in the Western Cape, South Africa.
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- Author(s): Steyn, L.; Geertsema, H.; Addison, P.
- Source:
African Entomology; Mar2021, Vol. 29 Issue 1, p190-200, 11p- Subject Terms:
- Source:
- Additional Information
- Subject Terms:
- Abstract: The lepidopteran leaf-mining larvae of Holocacista capensis were recorded on the outskirts of Paarl (Western Cape), South Africa, in 2012 for the first time. Thought to have local origins, the moth has been recorded on many grape varieties in South Africa since. In order to develop appropriate management strategies, aimed at maintaining effective control of the pest in commercial vineyards, various aspects of the pests' ecology must be known. The current study provided morphological characteristics associated with wing and abdominal colouration, which can be used to discern between male and female moths using a stereo microscope. The seasonal cycle of larvae and adults throughout a grapevine growing season was established. The leafminer was detected in the three grape areas surveyed (Berg River, HexRiver and Olifants River).Areas in the grape producing regions of theWestern Cape that are heavily impacted by the leaf miner include Paarl, Riebeeck Kasteel, Tulbagh, Piketberg and Wellington. Moth and larval abundances were observed to reach considerably high numbers in February. Live larval abundances decreased from the middle of March, whilst adult abundances were only seen to drop in early April. This study aimed to assist towards the development of appropriate management strategies against the pest. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of African Entomology is the property of Entomological Society of Southern Africa and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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