The bio-ecology of the cape grapevine leafminer,<i>Holocacista capensis</i>(Lepidoptera: Heliozelidae), in the Western Cape, South Africa

Torrance, Leigh A.I.

doi:10.1603/ice.2016.112467

Cited by 4 publications

(19 citation statements)

References 73 publications

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“…Holocacista capensis is a multivoltine (having several generations per year) pest present throughout a grapevine growing season Torrance, 2016).…”

Section: Holocacista Capensismentioning

confidence: 99%

“…The larvae develop through four feeding instars . These larvae are unable to move to other leaves upon damage to the natal leaf or mine (Torrance, 2016). The heads of feeding larvae are usually characterised by dark, prognathous head capsules.…”

Section: Morphology and Known Biologymentioning

confidence: 99%

“…Their bodies are yellow or whitish . The larvae feed on leaf tissue only (Torrance, 2016) and completed mines reach 12 mm to 15 mm in length . The fifth, final instar is non-feeding and constructs the cocoon casing in which it will pupate.…”

Section: Morphology and Known Biologymentioning

confidence: 99%

“…Since the discovery of H. capensis in 2012, a concomitant study by Wang et al (2015), using gas chromatography-mass spectrometry, identified the sex pheromone (more accurately, a male attractant) of H. capensis. Baseline studies to better understand the bio-ecology of H. capensis in the Western Cape were conducted by Torrance (2016).…”

Section: Introductionmentioning

confidence: 99%

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A Review of Leaf-mining Insects and Control Options for their Management, with Special Reference to Holocacista capensis (Lepidoptera: Heliozelidae) in Vineyards in South Africa

Steyn

Geertsema

Malan

et al. 2020

SAJEV

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A leaf-mining pest occurring on commercial varieties of Vitis vinifera in South Africa was investigated due to the presence of cocoons on fruit. The leaf miner, Holocacista capensis, was reported on grapevines in 2012. Since its discovery on commercial grape varieties, control strategies have consisted solely of insecticide applications. Despite the fact that the leaf-mining habit is taxonomically diverse and considered ancient, little is generally known of leaf-mining larvae. A review was conducted in order to better understand the leaf-mining strategy and amalgamate the current knowledge of other leaf-mining insects. The general evolutionary history within the full complement of taxa that display the leaf-mining habit is discussed. The review focuses on lepidopteran leaf-mining pests and discloses the known information associated with the first report and the impact of H. capensis in the Western Cape, South Africa. As no control methods have been identified for H. capensis in vineyards, various chemical, biological and cultural control strategies adopted for other leaf-mining pests were investigated. Control options, including the use of entomopathogenic nematodes (EPNs), parasitoids, physical and cultural control measures, were considered and are discussed. Alternate control methods are pertinent for the grape-growing industry to avoid the development of the insecticide resistance that is common amongst leaf miners. This review aims to consolidate the available literature and therefore aid in the development of an integrated pest management strategy to effectively control H. capensis in infested vineyards in South Africa.

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“…Holocacista capensis is a multivoltine (having several generations per year) pest present throughout a grapevine growing season Torrance, 2016).…”

Section: Holocacista Capensismentioning

confidence: 99%

Section: Morphology and Known Biologymentioning

confidence: 99%

Section: Morphology and Known Biologymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Review of Leaf-mining Insects and Control Options for their Management, with Special Reference to Holocacista capensis (Lepidoptera: Heliozelidae) in Vineyards in South Africa

Steyn

Geertsema

Malan

et al. 2020

SAJEV

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“…Holocacista capensis Van Nieukerken & Geertsema (Lepidoptera: Heliozelidae) is a sporadic, multivoltine pest that occurs on most ornamental and commercial varieties of Vitis vinifera L. in South Africa. The leaf-mining larvae were first reported in 2012 in a table grape vineyard close to Paarl in the Western Cape province, spreading to the surrounding areas as the season progressed (Van Nieukerken & Geertsema, 2015;Torrance, 2016). To date, no insecticide has been registered against the pest.…”

Section: Introductionmentioning

confidence: 99%

Potential of South African entomopathogenic nematodes to control the leaf miner, Holocacista capensis (Lepidoptera: Heliozelidae)

Steyn

Addison

Malan

2019

SAJEV

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The Cape grapevine leafminer, Holocacista capensis, a sporadic pest of economic importance, is found in South African table and wine grape vineyards. The cocoon casings, constructed by the final instar larvae, can be found attached to grape bunches, posing a phytosanitary risk for table grape export markets. The current study aimed to determine the susceptibility of leaf-mining H. capensis larvae to seven entomopathogenic nematode (EPN) species belonging to Steinernematidae and Heterorhabditidae. To determine nematode virulence occupied leaf-mining galleries were extracted from infested leaves and inoculated with 200 infective juveniles (IJs) in 50 µl of distilled water, for each of the EPNs screened. Concentration assays were conducted and and lethal dose was determined for the three most virulent species (Heterorhabditis baujardi, H. indica and H. noenieputensis), using concentrations of 0, 25, 50, 100, 200, and 400 IJs/leaf-mining larva. High mortality of leaf-mining larvae was obtained with H. baujardi (92%), H. noenieputensis (85%) and H. indica (83%). Almost double the number of H. noenieputensis (34 nematodes/insect) penetrated the insect larvae, in comparison with the other two EPNs. However, the relative potency of H. baujardi was 3.56 times higher than for H. indica, whilst that of H. indica was 2.57 times higher than it was for H. noenieputensis. The results obtained in the laboratory were found to be encouraging, especially with regard to the nematodes' ability to penetrate the leaf-mining galleries, and to infect the larvae successfully.

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Role of Entomopathogenic Nematodes in an Integrated Pest Management Strategy for Grapevine: South Africa as a Model System

Malan,

Knoetze

2024

Entomopathogenic Nematodes as Biological Control Agents

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The bio-ecology of the cape grapevine leafminer,Holocacista capensis(Lepidoptera: Heliozelidae), in the Western Cape, South Africa

Cited by 4 publications

References 73 publications

A Review of Leaf-mining Insects and Control Options for their Management, with Special Reference to Holocacista capensis (Lepidoptera: Heliozelidae) in Vineyards in South Africa

A Review of Leaf-mining Insects and Control Options for their Management, with Special Reference to Holocacista capensis (Lepidoptera: Heliozelidae) in Vineyards in South Africa

Potential of South African entomopathogenic nematodes to control the leaf miner, Holocacista capensis (Lepidoptera: Heliozelidae)

Role of Entomopathogenic Nematodes in an Integrated Pest Management Strategy for Grapevine: South Africa as a Model System

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