{"title":"Developmental biology of the coconut black-headed caterpillar, Opisina arenosella (Walker) (Lepidoptera: Xyloryctidae)","authors":"K. Lê, T. Tran, D. H. Tran","doi":"10.31830/2348-7542.2023.roc-917","DOIUrl":null,"url":null,"abstract":"The coconut black-headed caterpillar, Opisina arenosella (Walker) (Lepidoptera: Xyloryctidae) has been one of the most serious defoliators of coconut plants in Vietnam. This study was carried out at the Entomology Laboratory, Faculty of Agronomy, Nong Lam University, Vietnam during 2020-21 to determine some biological characteristics of O. arenosella at a constant temperature of 28oC and a photoperiod of 12L : 12D. It was concluded from this study that the total developmental time from egg to adult emergence of O. arenosella was 57.7 days for female and 52.6 days for male. The eggs hatched in 6.1 days after oviposition. The duration of the larval period was 41.2 days. The pupal development lasted for an average of 3.6 days. The females produced a mean of 278.8 eggs during an average lifespan of 4.9 days. The longevity of the female (4.9 days) was shorter than that of the male (10.7 days). The knowledge of the basic biological characteristics of this caterpillar is of fundamental importance for facilitating improved timing of application of control measures and mass-rearing techniques for O. arenosella to supply insect hosts to mass-rearing of its parasitoids.\n","PeriodicalId":21022,"journal":{"name":"Research on Crops","volume":" ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Research on Crops","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.31830/2348-7542.2023.roc-917","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Agricultural and Biological Sciences","Score":null,"Total":0}
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Abstract
The coconut black-headed caterpillar, Opisina arenosella (Walker) (Lepidoptera: Xyloryctidae) has been one of the most serious defoliators of coconut plants in Vietnam. This study was carried out at the Entomology Laboratory, Faculty of Agronomy, Nong Lam University, Vietnam during 2020-21 to determine some biological characteristics of O. arenosella at a constant temperature of 28oC and a photoperiod of 12L : 12D. It was concluded from this study that the total developmental time from egg to adult emergence of O. arenosella was 57.7 days for female and 52.6 days for male. The eggs hatched in 6.1 days after oviposition. The duration of the larval period was 41.2 days. The pupal development lasted for an average of 3.6 days. The females produced a mean of 278.8 eggs during an average lifespan of 4.9 days. The longevity of the female (4.9 days) was shorter than that of the male (10.7 days). The knowledge of the basic biological characteristics of this caterpillar is of fundamental importance for facilitating improved timing of application of control measures and mass-rearing techniques for O. arenosella to supply insect hosts to mass-rearing of its parasitoids.
期刊介绍：
The Research on Crops is a peer-reviewed journal publishing original research papers, review articles and short communications in English on all basic and applied aspects of crop sciences, agricultural water management, agro-climatology, agroforestry, agronomy, crop production, crop protection, cropping systems, food science & technology, genetics & plant breeding, horticulture, plant & soil science, plant biotechnology, plant nutrition, post-harvest management of crops, seed science, soil management & tillage, vegetables, weed science, agricultural engineering, agri-business, agricultural economics and extension, etc. The aim of the journal is to provide a forum for the scientific community to publish their latest research findings.
The manuscripts submitted for publication should not contain data older than 4 years on the date of submission.
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The articles should present a complete picture of the investigation made and should not be split into parts.
There is no prescribed limit regarding the number of pages in case of full-length articles. However, the authors are advised to keep the length of their articles from 4 to 10 full printed pages of the journal.
The articles should be divided into the sub-sections: ABSTRACT, INTRODUCTION, MATERIALS AND METHODS, RESULTS AND DISCUSSION, CONCLUSIONS, and REFERENCES. Tables and figures should be appended separately at the end.
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