{"title":"Studies on insects and mites causing galls on the leaves of purple willow Salix purpurea L. in the Ojców National Park in Poland","authors":"Małgorzata Skrzypczyńska","doi":"10.1046/j.1439-0280.2001.01002.x","DOIUrl":null,"url":null,"abstract":"<p>Analytical studies were conducted on the species composition of galls occurring on the leaves of <i>Salix purpurea</i> L. in the Ojców National Park in 1999 – 2000. The species composition of galls was identical in two consecutive years. Galls were caused by 5 species (a total of 480 galls). The most numerous species in both years was <i>Pontania viminalis</i> (L.). Index of occurrence frequency and Agrell’s index of species co-existence have been calculated. This index reached the highest values in case of <i>Pontania dolichura</i> (Thoms.) and <i>P. viminalis</i> (L.) in 1999 as well as <i>Phyllocolpa leucaspis</i> (Tischb.) and <i>P. viminalis</i> (L.) in 2000.</p>","PeriodicalId":100103,"journal":{"name":"Anzeiger für Sch?dlingskunde","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2001-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1046/j.1439-0280.2001.01002.x","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Anzeiger für Sch?dlingskunde","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1046/j.1439-0280.2001.01002.x","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
Analytical studies were conducted on the species composition of galls occurring on the leaves of Salix purpurea L. in the Ojców National Park in 1999 – 2000. The species composition of galls was identical in two consecutive years. Galls were caused by 5 species (a total of 480 galls). The most numerous species in both years was Pontania viminalis (L.). Index of occurrence frequency and Agrell’s index of species co-existence have been calculated. This index reached the highest values in case of Pontania dolichura (Thoms.) and P. viminalis (L.) in 1999 as well as Phyllocolpa leucaspis (Tischb.) and P. viminalis (L.) in 2000.
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