Larval Instars and Division Features of Apriona germari

Apriona germari larvae were obtained via sample collection in woodland and indoor rearing. In this study, larval instars were divided by Dyar＇s law, and the results showed that the larval stage of A. germari comprised six instars, while the width of head capsule was the best instar-dividing structur...

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Published in:Plant Diseases and Pests(植物病虫害研究：英文版) 2014-08, Vol.5 (4), p.1-5
Main Authors: Baothanh, Le, Baozhong, Ji, Shuwen, Liu, Guoxing, Wang, Kai, Zhang, Hua, Wu
Format: Article
Language:English
Subjects:
天牛幼虫
室内饲养
幼虫期
幼虫龄期
形态特征
样品采集
桑天牛
统计计算
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Summary:Apriona germari larvae were obtained via sample collection in woodland and indoor rearing. In this study, larval instars were divided by Dyar＇s law, and the results showed that the larval stage of A. germari comprised six instars, while the width of head capsule was the best instar-dividing structure. On the basis of instar division, tubercle numbers on the transverse furrow downside of first abdominal dorsal ambulatory ampullae, seta numbers of abdominal telson and lateral seta numbers of mandible were observed and statistically calculated. The accuracy of instar-dividing was verified by comparing with the Dyar＇s law. The coincidence rate of two instar-dividing results was 90. 47%. It is approved that the above morphological features could be used in instar division ofA. germari larvae.
ISSN:2152-3932