| Effects of polymorphic melanism and larval diet on life history traits of Malacosoma disstria moths. | |
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MedLine Citation:
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PMID: 22008291 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In this study we investigated the presence and possible genetic basis of polymorphic melanism in the forest tent caterpillar (Malacosoma disstria) moth. Adult moths were classified into pattern-based phenotypes and wing darkness was measured to quantify the degree of melanization. We found that two distinct phenotypes, melanic and simple, are present in these moths. Although the full melanic phenotype is sex-limited to males, it is partially expressed in females. We also provide support for the theory that the melanic allele is autosomal and dominant. The effects of larval diet quality on the survival, development and wing melanization of each phenotype were studied by rearing larvae on the foliage of either a primary or secondary host. Diet quality did not differentially affect the two phenotypes; however, melanic males were found to be smaller than simple males regardless of larval diet. Such inherent developmental differences between the two phenotypes could have important consequences for the frequencies of the two morphs. |
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Authors:
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Jessica Ethier; Emma Despland |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-8 |
Journal Detail:
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Title: Journal of insect physiology Volume: - ISSN: 1879-1611 ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-19 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2985080R Medline TA: J Insect Physiol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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Concordia University, 7141 Sherbrooke St. West, Montreal QC, Canada H4B 1R6. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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