{"title":"Influence of host age and low-temperature storage on parasitization by the egg parasitoid Trissolcus japonicus (Hymenoptera: Scelionidae)","authors":"Ayaka Tsunashima, Akane (Miura) Sato, Yuuki Ozawa, Kyo Itoyama","doi":"10.1007/s13355-022-00812-7","DOIUrl":null,"url":null,"abstract":"<div><p>We investigated the usefulness of cold-stored eggs of the fruit-piercing stink bug, <i>Glaucias subpunctatus</i> (Walker) (Hemiptera: Pentatomidae) for a field survey of the egg parasitoid <i>Trissolcus japonicus</i> (Ashmead) (Hymenoptera: Scelionidae). Laboratory surveys revealed the effects of host age and storage under low temperatures on parasitism. The rate of parasitizing 0–3 day-old host eggs was close to 100%, but it significantly decreased for 4 and 5 day-old eggs. The storage temperature and the storage period significantly affected the parasitism rate. Adequate parasitism rates of eggs stored at + 4 or − 80 °C were also confirmed in a field survey. From these results, we clarified the optimal age and storage temperature of host eggs for a field survey of this egg parasitoid.</p></div>","PeriodicalId":8551,"journal":{"name":"Applied Entomology and Zoology","volume":"58 1","pages":"127 - 132"},"PeriodicalIF":1.3000,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Entomology and Zoology","FirstCategoryId":"97","ListUrlMain":"https://link.springer.com/article/10.1007/s13355-022-00812-7","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENTOMOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
We investigated the usefulness of cold-stored eggs of the fruit-piercing stink bug, Glaucias subpunctatus (Walker) (Hemiptera: Pentatomidae) for a field survey of the egg parasitoid Trissolcus japonicus (Ashmead) (Hymenoptera: Scelionidae). Laboratory surveys revealed the effects of host age and storage under low temperatures on parasitism. The rate of parasitizing 0–3 day-old host eggs was close to 100%, but it significantly decreased for 4 and 5 day-old eggs. The storage temperature and the storage period significantly affected the parasitism rate. Adequate parasitism rates of eggs stored at + 4 or − 80 °C were also confirmed in a field survey. From these results, we clarified the optimal age and storage temperature of host eggs for a field survey of this egg parasitoid.
期刊介绍：
Applied Entomology and Zoology publishes articles concerned with applied entomology, applied zoology, agricultural chemicals and pest control in English. Contributions of a basic and fundamental nature may be accepted at the discretion of the Editor. Manuscripts of original research papers, technical notes and reviews are accepted for consideration. No manuscript that has been published elsewhere will be accepted for publication.
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