Seasonal Fluctuation, Age Structure, and Annual Changes in a Population of Cassida rubiginosa (Coleoptera: Chrysomelidae) in a Natural Habitat
Cassida rubiginosa Müller (Coleoptera: Chrysomelidae) has attracted considerable interest as a potential biological control agent against thistle (Astaraceae: Cardueae) weeds, but population characteristics of this species are not well understood. We conducted an intensive mark–recapture study from...
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| Veröffentlicht in: | Annals of the Entomological Society of America 2006-03, Vol.99 (2), p.292-299 |
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| creator | Koji, Shinsaku Nakamura, Koji |
| description | Cassida rubiginosa Müller (Coleoptera: Chrysomelidae) has attracted considerable interest as a potential biological control agent against thistle (Astaraceae: Cardueae) weeds, but population characteristics of this species are not well understood. We conducted an intensive mark–recapture study from 1996 to 1999 in Yuwaku, Kanazawa, Japan, to estimate adult population parameters such as population size, longevity, movement activity, reproductive rate, and winter survival. Overwintered adults began to emerge from hibernation in early April and actively moved among host plants until early May. Thereafter, adult dispersal activity decreased until late June, and the number of beetles gradually declined. New adults were active for only 2 to 3 wk after emergence and began aestivation at the end of August. Despite low reproductive rates per generation, the overwintering population was stable at a high density. Beetle longevity was substantial, and many individuals overwintered more than once. The age structure of adult beetles was responsible for the high stability of the population and low reproductive rate. |
| doi_str_mv | 10.1603/0013-8746(2006)099[0292:SFASAA]2.0.CO;2 |
| format | Article |
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We conducted an intensive mark–recapture study from 1996 to 1999 in Yuwaku, Kanazawa, Japan, to estimate adult population parameters such as population size, longevity, movement activity, reproductive rate, and winter survival. Overwintered adults began to emerge from hibernation in early April and actively moved among host plants until early May. Thereafter, adult dispersal activity decreased until late June, and the number of beetles gradually declined. New adults were active for only 2 to 3 wk after emergence and began aestivation at the end of August. Despite low reproductive rates per generation, the overwintering population was stable at a high density. Beetle longevity was substantial, and many individuals overwintered more than once. 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We conducted an intensive mark–recapture study from 1996 to 1999 in Yuwaku, Kanazawa, Japan, to estimate adult population parameters such as population size, longevity, movement activity, reproductive rate, and winter survival. Overwintered adults began to emerge from hibernation in early April and actively moved among host plants until early May. Thereafter, adult dispersal activity decreased until late June, and the number of beetles gradually declined. New adults were active for only 2 to 3 wk after emergence and began aestivation at the end of August. Despite low reproductive rates per generation, the overwintering population was stable at a high density. Beetle longevity was substantial, and many individuals overwintered more than once. The age structure of adult beetles was responsible for the high stability of the population and low reproductive rate.</description><subject>age structure</subject><subject>Biological and medical sciences</subject><subject>Cassida</subject><subject>Cassida rubiginosa</subject><subject>Chrysomelidae</subject><subject>Coleoptera</subject><subject>demographic traits</subject><subject>dispersal behavior</subject><subject>ECOLOGY AND POPULATION BIOLOGY</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>insect reproduction</subject><subject>Insecta</subject><subject>Invertebrates</subject><subject>longevity</subject><subject>mark-recapture studies</subject><subject>mark–recapture</subject><subject>overwintering</subject><subject>population characteristics</subject><subject>population dynamics</subject><subject>population size</subject><subject>population stability</subject><subject>reproductive rate</subject><subject>seasonal variation</subject><subject>sex ratio</subject><subject>Systematics. Geographical distribution</subject><subject>temporal variation</subject><issn>0013-8746</issn><issn>1938-2901</issn><issn>0013-8746</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqdkU9v1DAQxSMEEkvhM-ALqJWa7dj5Z5dTFHVbpIpFCj0hZE0SezHK2oudHPol-Mw4pII7p5FGv_feaF6SXFHY0hKyKwCapbzKy3MGUF6AEF-BCXbd7uq2rr-xLWyb_Qf2LNlQkfGUCaDPk81f1cvkVQg_ACDPMrZJfrUKg7M4kt0499OMk3H2ktQHRdrJLxuvLgnagdTWzhFrvqM9qECMJUg-u9M8_pEQp0mDIZgBiZ87czDWBSTnjRuVO03K43WU-sfgjmqMkLpYHT5hTIi2d9iZCafXyQuNY1BvnuZZ8rC7-dLcpff7249NfZ92RV5MKVdDgVp0ApXiTA-aVwK6XgjKygJoD2JAxBIV5kOpQXEssp5nQqPuK9aV2VnyfvU9efdzVmGSRxN6NY5olZuDZMCzkjMawdsV7L0LwSstT94c0T9KCnLpQy6flctn5dKHjH3IpQ-59iGZBNnsJYtO754iMfQ4ao-2N-GfXVXwjLI8cm9XTqOTePCReWhZDAEKVQE5ROJmJTrjnFX_fdFvzS2uRA</recordid><startdate>20060301</startdate><enddate>20060301</enddate><creator>Koji, Shinsaku</creator><creator>Nakamura, Koji</creator><general>Entomological Society of America</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20060301</creationdate><title>Seasonal Fluctuation, Age Structure, and Annual Changes in a Population of Cassida rubiginosa (Coleoptera: Chrysomelidae) in a Natural Habitat</title><author>Koji, Shinsaku ; Nakamura, Koji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b545t-8ed5af9b9aee82fdf8790bc99126501c09daaa6aea4d6f0e8a53c839fafc72b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>age structure</topic><topic>Biological and medical sciences</topic><topic>Cassida</topic><topic>Cassida rubiginosa</topic><topic>Chrysomelidae</topic><topic>Coleoptera</topic><topic>demographic traits</topic><topic>dispersal behavior</topic><topic>ECOLOGY AND POPULATION BIOLOGY</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>insect reproduction</topic><topic>Insecta</topic><topic>Invertebrates</topic><topic>longevity</topic><topic>mark-recapture studies</topic><topic>mark–recapture</topic><topic>overwintering</topic><topic>population characteristics</topic><topic>population dynamics</topic><topic>population size</topic><topic>population stability</topic><topic>reproductive rate</topic><topic>seasonal variation</topic><topic>sex ratio</topic><topic>Systematics. Geographical distribution</topic><topic>temporal variation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Koji, Shinsaku</creatorcontrib><creatorcontrib>Nakamura, Koji</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Annals of the Entomological Society of America</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Koji, Shinsaku</au><au>Nakamura, Koji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Seasonal Fluctuation, Age Structure, and Annual Changes in a Population of Cassida rubiginosa (Coleoptera: Chrysomelidae) in a Natural Habitat</atitle><jtitle>Annals of the Entomological Society of America</jtitle><date>2006-03-01</date><risdate>2006</risdate><volume>99</volume><issue>2</issue><spage>292</spage><epage>299</epage><pages>292-299</pages><issn>0013-8746</issn><eissn>1938-2901</eissn><eissn>0013-8746</eissn><coden>AESAAI</coden><abstract>Cassida rubiginosa Müller (Coleoptera: Chrysomelidae) has attracted considerable interest as a potential biological control agent against thistle (Astaraceae: Cardueae) weeds, but population characteristics of this species are not well understood. We conducted an intensive mark–recapture study from 1996 to 1999 in Yuwaku, Kanazawa, Japan, to estimate adult population parameters such as population size, longevity, movement activity, reproductive rate, and winter survival. Overwintered adults began to emerge from hibernation in early April and actively moved among host plants until early May. Thereafter, adult dispersal activity decreased until late June, and the number of beetles gradually declined. New adults were active for only 2 to 3 wk after emergence and began aestivation at the end of August. Despite low reproductive rates per generation, the overwintering population was stable at a high density. Beetle longevity was substantial, and many individuals overwintered more than once. The age structure of adult beetles was responsible for the high stability of the population and low reproductive rate.</abstract><cop>Lanham, MD</cop><pub>Entomological Society of America</pub><doi>10.1603/0013-8746(2006)099[0292:SFASAA]2.0.CO;2</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Annals of the Entomological Society of America, 2006-03, Vol.99 (2), p.292-299 |
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| source | BioOne Complete; Oxford University Press Journals All Titles (1996-Current) |
| subjects | age structure Biological and medical sciences Cassida Cassida rubiginosa Chrysomelidae Coleoptera demographic traits dispersal behavior ECOLOGY AND POPULATION BIOLOGY Fundamental and applied biological sciences. Psychology insect reproduction Insecta Invertebrates longevity mark-recapture studies mark–recapture overwintering population characteristics population dynamics population size population stability reproductive rate seasonal variation sex ratio Systematics. Geographical distribution temporal variation |
| title | Seasonal Fluctuation, Age Structure, and Annual Changes in a Population of Cassida rubiginosa (Coleoptera: Chrysomelidae) in a Natural Habitat |
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