Revised status of Chloridea Duncan and (Westwood), 1841, for the Heliothis virescens species group (Lepidoptera: Noctuidae: Heliothinae) based on morphology and three genes

被引：24
作者：
Pogue, Michael G. [1 ]
机构：
[1] ARS, USDA, Systemat Entomol Lab, PSI,US, Washington, DC 20013 USA
来源：
SYSTEMATIC ENTOMOLOGY | 2013年 / 38卷 / 03期
关键词：
D O I：
10.1111/syen.12010
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The Heliothinae comprise some of the world's most injurious agricultural pests. This study reanalyses a subsample of the Heliothis group to determine the monophyly of Chloridea (Heliothis virescens and H.subflexa). Two nuclear gene regions, elongation factor-1 (EF-1; 1240bp) and dopa decarboylase (DDC; 687bp), and the barcoding region of mitochondrial cytochrome oxidase I (COI; 708bp) were used in this analysis for a total of 2635bp and a morphological dataset of 20 characters and 62 character states. Sixteen species representing five genera plus two outgroup species were used in the analysis. Analyses used were Maximum Parsimony (MP), Maximum Likelihood (ML) and Bayesian Inference (BI). The revised status for the monophyletic genus Chloridea Duncan and (Westwood) was supported by a very strong bootstrap support (BP=98-100). Larval host-plant usage is discussed within the Heliothis clade. Polyphagy is most likely the ancestral condition with a host shift to monophagy and oligophagy. Based on known larval hosts, Heliocheilus is oligophagous on Poaceae. Traits of host plant use in Helicoverpa and Chloridea where both polyphagy and oligophagy occur in closely related species are discussed.
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页码：523 / 542
页数：20
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