First detection of the mosaic leafhopper, <i>Orientus ishidae</i>, in northern Italian vineyards infected by the flavescence dorée phytoplasma

Gaffuri, Francesca; Sacchi, Silvia; Cavagna, B.

doi:10.5197/j.2044-0588.2011.024.022

Cited by 20 publications

(16 citation statements)

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“…Th e presence of phytoplasma of the 16SrV-C and -D groups in the bodies of O. ishidae was detected for the fi rst time in Europe in Slovenia, in 2009 (Mehle et al 2010). Later the pathogen of group 16SrV-D was also detected in 16% of specimens of O. ishidae collected in vineyards in the Lombardy region of Italy (Gaff uri et al 2011). Th e studies conducted by Gaff uri et al (2011) revealed that the specimens of O. ishidae outnumbered those of well-known fl avescence dorée vector Scaphoideus titanus Ball.…”

Section: Resultsmentioning

confidence: 91%

“…Later the pathogen of group 16SrV-D was also detected in 16% of specimens of O. ishidae collected in vineyards in the Lombardy region of Italy (Gaff uri et al 2011). Th e studies conducted by Gaff uri et al (2011) revealed that the specimens of O. ishidae outnumbered those of well-known fl avescence dorée vector Scaphoideus titanus Ball. Th e third report of FD phytoplasma infested mosaic leafh opper comes from Switzerland, in which the 16SrV-C group was detected (Trivellone et al 2015).…”

Section: Resultsmentioning

confidence: 99%

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The first record of a potential pest Orientus ishidae (Matsumura, 1902) (Hemiptera: Cicadellidae) in Poland

Klejdysz¹,

Zwolińska²,

Walczak³

et al. 2017

Journal of Plant Protection Research

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Th is study provides the fi rst data on the occurrence of the mosaic leafh opper Orientus ishidae (Matsumura, 1902) (Hemiptera: Cicadellidae) in Poland. Th is species is native to Southeast Asia, adventive in Europe and feeds on cultivated plants. Orientus ishidae is a well-known carrier of Grapevine fl avescence doree phytoplasma which causes the grapevine yellows disease. Symptoms of phytoplasma diseases of grapevine include deformations, leaf chlorosis and withering of plants. Th e appearance of this species in Poland might be caused by observed climate variations and insuffi cient plant health controls in the international trade of plants.

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Section: Resultsmentioning

confidence: 91%

Section: Resultsmentioning

confidence: 99%

The first record of a potential pest Orientus ishidae (Matsumura, 1902) (Hemiptera: Cicadellidae) in Poland

Klejdysz¹,

Zwolińska²,

Walczak³

et al. 2017

Journal of Plant Protection Research

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“…Recently, the leafhoppers O . alni (Maixner et al ., ; Arnaud et al ., ; Mehle et al ., ) and Orientus ishidae (Matsumura) (Mehle et al ., ; Gaffuri et al ., ; Koczor et al ., ) have been found infected by FDp related strains in Europe; moreover, latest findings revealed the capability of O . ishidae to transmit 16SrV group phytoplasmas to grapevine (Lessio et al ., ).…”

Section: Introductionmentioning

confidence: 99%

New insights on Flavescence dorée phytoplasma ecology in the vineyard agro‐ecosystem in southern Switzerland

Casati

Jermini

Quaglino

et al. 2017

Annals of Applied Biology

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Phytoplasmas associated with Flavescence dorée (FDp) grapevine disease are quarantine pathogens controlled through mandatory measures including the prompt eradication and destruction of diseased plants, and the insecticide treatments against the insect vector, the ampelophagous leafhopper Scaphoideus titanus. In the present study, a multidisciplinary approach has been applied to investigate the FDp ecological cycle in a test vineyard agro-ecosystem in Canton Ticino, south Switzerland. Despite the scarce population density of S. titanus, a regular trend of new infections (3.4% of the total vines) through the years was observed. The leafhopper Orientus ishidae was found as the most abundant among the captured insect species known as phytoplasma vectors (245 out of 315 specimens). The population of O. ishidae was evidenced prevalently (167 specimens) in the south-western side of the vineyard and within the neighbouring forest constituted mainly by hazel (Corylus avellana) and willow (Salix spp.). These plant species were found infected by FDp related strains (30% of analysed trees) for the first time in this study. Interestingly, O. ishidae was found to harbour FDp related strains in high percentage (26% of the analysed pools). In addition, 16SrV phytoplasma group was detected for the first time in the insect Hyalesthes obsoletus and a FDp related strain in Thamnotettix dilutior, present in low populations within the test vineyard. Molecular characterisation and phylogenetic analyses of methionine aminopeptidase (map) gene sequences of FDp and related strains, here identified, revealed the great prevalence of the map-type FD2 in grapevines (97%) and in O. ishidae pools (72%). Such a map-type was found also in hazel and in T. dilutior, but not in S. titanus. Moreover, map-types FD1 and FD3 were identified for the first time in Switzerland in several host plants and phytoplasma vectors, including grapevine (FD1), S. titanus (FD1) and O. ishidae (FD1 and FD3). Based on the data obtained in this study, it is reasonable to hypothesise that the ecological cycle of FDp could be related not exclusively to the grapevine-specific feeding diet of S. titanus, but it could include other insect vector(s) and/or plant host(s). Further studies will be needed to prove the role of O. ishidae as vector able to transmit FDp from wild plants (e.g. hazel) to grapevine.

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“…and Clematis vitalba and, occasionally, leafhoppers or planthoppers other than S. titanus might act as vectors, acquiring FDp from these alternative reservoirs and transmitting it to grapevine. D. europaea (Linnaeus) (Auchenorrhyncha, Dictyopharidae) has been shown to transmit FDp from C. vitalba to grapevine (Filippin et al, 2009), and the Asian species Orientus ishidae (Matsumura) (Cicadellidae, Deltocephalinae), which has recently introduced in Europe (CABI, 2015), has been recently found harbouring FDp in Slovenia, Italy and Switzerland (Mehle et al, 2010;Gaffuri et al, 2011;Trivellone et al, 2016). D. europaea is rather widely distributed in the EU according to Fauna Europaea (Figure 3).…”

Section: Current Distribution Of Vectorsmentioning

confidence: 99%

Risk to plant health of Flavescence dorée for the EU territory

Jeger¹,

Bragard²,

Caffier³

et al. 2016

EFS2

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Following a request from the European Commission, the EFSA Panel on Plant Health (PLH) performed a quantitative analysis of the risk posed by the Flavescence dor ee phytoplasma (FDp) in the EU territory. Three scenarios were analysed, one with current measures in place (scenario A0), one designed to improve grapevine propagation material phytosanitary status (scenario A1) and one with reinforced eradication and containment (scenario A2). The potential for entry is limited, FDp being almost non-existent outside the EU. FDp and its major vector, Scaphoideus titanus, have already established over large parts of the EU and have the potential to establish in a large fraction of the currently unaffected EU territory. With the current measures in place (A0), spread of FDp is predicted to continue with a progression of between a few and ca 20 newly infested NUTS 2 regions during the next 10 years, illustrating the limitations of the current control measures against spread. FDp spread is predicted to be roughly similar between scenarios A1 and A2, but more restricted than under scenario A0. However, even with reinforced control scenarios, stabilisation or reduction in the number of infested NUTS 2 regions has only relatively low probability. Under scenario A0, FDp has a 0.5-1% impact on the overall EU grapes and wine production, reflecting the effectiveness of the current control measures against impact. Under both scenarios A1 and A2, FDp impact is predicted to be reduced, by approximately one-third (A1) to two-thirds (A2) as compared to A0, but the associated uncertainties are large. The generalised use of hot water treatment for planting material produced in infected zones has the most important contribution to FDp impact reduction in scenario A1 and has high feasibility. Both increased eradication and containment measures contribute to impact reduction under scenario A2 but the overall feasibility is lower. This is an open access article under the terms of the Creative Commons Attribution-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited and no modifications or adaptations are made.The EFSA Journal is a publication of the European Food Safety Authority, an agency of the European Union. SummaryFollowing a request from the European Commission, the EFSA Panel on Plant Health (PLH) performed an analysis of the risk to plant health posed by the Flavescence dor ee phytoplasma (FDp) in the European Union (EU) territory, with the evaluation of risk reduction options. The temporal scale of this assessment is a 10-year time horizon and three scenarios are analysed, one corresponding to the current situation, with all current official control measures in place (scenario A0) and two alternative scenarios, with either a reinforcement of the hot water treatment (HWT) control measure to improve the phytosanitary status of grapevine propagation material (scenario A1) or a reinforcement of eradication and containment measures (scenario A2).Concerning entry, the P...

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First detection of the mosaic leafhopper, Orientus ishidae, in northern Italian vineyards infected by the flavescence dorée phytoplasma

Cited by 20 publications

References 4 publications

The first record of a potential pest Orientus ishidae (Matsumura, 1902) (Hemiptera: Cicadellidae) in Poland

The first record of a potential pest Orientus ishidae (Matsumura, 1902) (Hemiptera: Cicadellidae) in Poland

New insights on Flavescence dorée phytoplasma ecology in the vineyard agro‐ecosystem in southern Switzerland

Risk to plant health of Flavescence dorée for the EU territory

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