Investigations on the Grape Leafhopper <i>Erasmoneura vulnerata</i> in North-Eastern Italy

The leafhopper <i>Erasmoneura vulnerata</i> (Fitch) (Hemiptera: Cicadellidae) is native of Northern and Central America where it occurs on wild and cultivated grapes as well as on a number of secondary hosts. This species was recorded for the first time in Europe (Italy, Veneto region) i...

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Main Authors: Carlo Duso, Renzo Moret, Alessandro Manera, Dario Berto, Diego Fornasiero, Gaia Marchegiani, Alberto Pozzebon
Format: Article
Language:English
Published: MDPI AG 2019-02-01
Series:Insects
Subjects:
Online Access:https://www.mdpi.com/2075-4450/10/2/44
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author Carlo Duso
Renzo Moret
Alessandro Manera
Dario Berto
Diego Fornasiero
Gaia Marchegiani
Alberto Pozzebon
author_facet Carlo Duso
Renzo Moret
Alessandro Manera
Dario Berto
Diego Fornasiero
Gaia Marchegiani
Alberto Pozzebon
author_sort Carlo Duso
collection DOAJ
description The leafhopper <i>Erasmoneura vulnerata</i> (Fitch) (Hemiptera: Cicadellidae) is native of Northern and Central America where it occurs on wild and cultivated grapes as well as on a number of secondary hosts. This species was recorded for the first time in Europe (Italy, Veneto region) in 2004. Since then it has spread over Northern Italy and Slovenia. Studies on the biology of <i>E. vulnerata</i> in America are limited and thus its phenology was investigated on <i>Vitis labrusca</i> L. and <i>Vitis vinifera</i> L. plants under field and semi-field conditions. These observations suggest that <i>E. vulnerata</i> can complete 2&#8315;3 generations per year. The development of <i>E. vulnerata</i> from first instar nymphs to adults was studied under controlled conditions (about 23 &#176;C). Developmental times lasted from 16.1 days in July&#8315;August to 19.5 days in September, and this variability was probably due to grape cultivar and plant susceptibility. Data were consistent with the number of generations previously reported. <i>Erasmoneura vulnerata</i> was more abundant on vines close to overwintering sites than on those located 100&#8315;250 m from these sites and contiguous to commercial vineyards.
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spelling doaj.art-a9a5bbd8116147309d174a41da9175932022-12-22T02:59:24ZengMDPI AGInsects2075-44502019-02-011024410.3390/insects10020044insects10020044Investigations on the Grape Leafhopper <i>Erasmoneura vulnerata</i> in North-Eastern ItalyCarlo Duso0Renzo Moret1Alessandro Manera2Dario Berto3Diego Fornasiero4Gaia Marchegiani5Alberto Pozzebon6Department of Agronomy, Food, Natural resources, Animals and Environment, University of Padova, Viale dell’Università 16, Agripolis, Legnaro, 35020 Padova, ItalyDepartment of Agronomy, Food, Natural resources, Animals and Environment, University of Padova, Viale dell’Università 16, Agripolis, Legnaro, 35020 Padova, ItalyDepartment of Agronomy, Food, Natural resources, Animals and Environment, University of Padova, Viale dell’Università 16, Agripolis, Legnaro, 35020 Padova, ItalyDepartment of Agronomy, Food, Natural resources, Animals and Environment, University of Padova, Viale dell’Università 16, Agripolis, Legnaro, 35020 Padova, ItalyDepartment of Agronomy, Food, Natural resources, Animals and Environment, University of Padova, Viale dell’Università 16, Agripolis, Legnaro, 35020 Padova, ItalyDepartment of Agronomy, Food, Natural resources, Animals and Environment, University of Padova, Viale dell’Università 16, Agripolis, Legnaro, 35020 Padova, ItalyDepartment of Agronomy, Food, Natural resources, Animals and Environment, University of Padova, Viale dell’Università 16, Agripolis, Legnaro, 35020 Padova, ItalyThe leafhopper <i>Erasmoneura vulnerata</i> (Fitch) (Hemiptera: Cicadellidae) is native of Northern and Central America where it occurs on wild and cultivated grapes as well as on a number of secondary hosts. This species was recorded for the first time in Europe (Italy, Veneto region) in 2004. Since then it has spread over Northern Italy and Slovenia. Studies on the biology of <i>E. vulnerata</i> in America are limited and thus its phenology was investigated on <i>Vitis labrusca</i> L. and <i>Vitis vinifera</i> L. plants under field and semi-field conditions. These observations suggest that <i>E. vulnerata</i> can complete 2&#8315;3 generations per year. The development of <i>E. vulnerata</i> from first instar nymphs to adults was studied under controlled conditions (about 23 &#176;C). Developmental times lasted from 16.1 days in July&#8315;August to 19.5 days in September, and this variability was probably due to grape cultivar and plant susceptibility. Data were consistent with the number of generations previously reported. <i>Erasmoneura vulnerata</i> was more abundant on vines close to overwintering sites than on those located 100&#8315;250 m from these sites and contiguous to commercial vineyards.https://www.mdpi.com/2075-4450/10/2/44Cicadellidaegrapeseasonal abundancedevelopmentphenology
spellingShingle Carlo Duso
Renzo Moret
Alessandro Manera
Dario Berto
Diego Fornasiero
Gaia Marchegiani
Alberto Pozzebon
Investigations on the Grape Leafhopper <i>Erasmoneura vulnerata</i> in North-Eastern Italy
Insects
Cicadellidae
grape
seasonal abundance
development
phenology
title Investigations on the Grape Leafhopper <i>Erasmoneura vulnerata</i> in North-Eastern Italy
title_full Investigations on the Grape Leafhopper <i>Erasmoneura vulnerata</i> in North-Eastern Italy
title_fullStr Investigations on the Grape Leafhopper <i>Erasmoneura vulnerata</i> in North-Eastern Italy
title_full_unstemmed Investigations on the Grape Leafhopper <i>Erasmoneura vulnerata</i> in North-Eastern Italy
title_short Investigations on the Grape Leafhopper <i>Erasmoneura vulnerata</i> in North-Eastern Italy
title_sort investigations on the grape leafhopper i erasmoneura vulnerata i in north eastern italy
topic Cicadellidae
grape
seasonal abundance
development
phenology
url https://www.mdpi.com/2075-4450/10/2/44
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