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Influence of Diet on the Density-Dependent Phase Polymorphism of Velvetbean Caterpillars (Lepidoptera: Noctuidae)

 

作者: Howard W. Fescemyer,   Caitriona M. Erlandson,  

 

期刊: Environmental Entomology  (OUP Available online 1993)
卷期: Volume 22, issue 5  

页码: 933-941

 

ISSN:0046-225X

 

年代: 1993

 

DOI:10.1093/ee/22.5.933

 

出版商: Oxford University Press

 

关键词: Anticarsia gemmatalis;density;development

 

数据来源: OUP

 

摘要:

Velvetbean caterpillars,Anticarsia gemmatalisHübner, were reared at different larval densities on meridic diets containing different amounts of foliage. The degree of dark body color and yellow to orange head color was highest in larvae reared crowded and on meridic diets containing the most dried soybean foliage in artificial diet or consisting completely of fresh kudzu or soybean foliage. No body color change from green was observed in solitary larvae reared on the same diets as crowded larvae. Larvae developed most rapidly on meridic diets containing the lowest and highest amounts of foliage. On all meridic diets tested, solitary larvae developed to the pupal stage at least 1 d faster than crowded larvae. Larvae reared on fresh foliage developed into pupae and adults that weighed the least.

 

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