Plant Allelochemicals, Tritrophic Interactions and the Anomalous Diversity of Tropical Parasitoids: The "Nasty" Host Hypothesis
The number of species in many groups of parasitoid Hymenoptera does not increase rapidly with decreasing latitude. Discussion of the processes generating this pattern has focussed upon changes in host demographic traits and upon the effect of seasonality. Here we advance a further and compatible hyp...
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| Veröffentlicht in: | Oikos 1992-11, Vol.65 (2), p.353-357 |
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| container_end_page | 357 |
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| container_title | Oikos |
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| creator | Gauld, Ian D. Gaston, Kevin J. Janzen, Daniel H. |
| description | The number of species in many groups of parasitoid Hymenoptera does not increase rapidly with decreasing latitude. Discussion of the processes generating this pattern has focussed upon changes in host demographic traits and upon the effect of seasonality. Here we advance a further and compatible hypothesis, that tropical parasitoid hosts are less available to parasitoids than are extra-tropical hosts because their tissues are, on average, more chemically toxic than are the tissues of extra-tropical hosts. There is some evidence that suggests that tropical woody plants are, in general, richer in toxic secondary compounds than are extra-tropical species, and evidence exists to demonstrate that these allelochemicals may have adverse effects on parasitoids attacking phytophagous insects feeding on such plants. |
| doi_str_mv | 10.2307/3545032 |
| format | Article |
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Psychology</subject><subject>Hymenoptera</subject><subject>Insect ecology</subject><subject>Insect eggs</subject><subject>Insect larvae</subject><subject>Invertebrates</subject><subject>Parasite hosts</subject><subject>Parasitism</subject><subject>Parasitoids</subject><subject>Phytophagous insects</subject><subject>Species</subject><subject>Synecology</subject><subject>Terrestrial ecosystems</subject><subject>Toxicity</subject><issn>0030-1299</issn><issn>1600-0706</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LxDAQhoMouH7gXwgierE6adok9bb4tYKoh_VcYpqwkW5TM1HYk3_diIuePM0wPPMM7xBywOCs5CDPeV3VwMsNMmECoAAJYpNMADgUrGyabbKD-AoAUspqQj6fej0kOu172wezsEtvdI-ndB59imFceEPvhmSjNsmHAakeOpoWlk6HsNR9eEd65T9sRJ9WNLi8FsZvA33SUedh8B1e0HleOHzQmFaHdBYw0dlqDNmCHvfIlssH7f667pLnm-v55ay4f7y9u5zeF4ZLlQoN1tXWaitfhOt4KWoOHYBtpHFCSQeqEkJVuX_RQjnWSdcxq1nlmHHKAN8lxz_eMYa3d4upXXo0ts_pbU7RMsGFqkuVwZMf0MSAGK1rx-iXOq5aBu33g9v1gzN5tFZqzJFd1IPx-ItXvFGlaP6wV0wh_mv7Am4KhxE</recordid><startdate>19921101</startdate><enddate>19921101</enddate><creator>Gauld, Ian D.</creator><creator>Gaston, Kevin J.</creator><creator>Janzen, Daniel H.</creator><general>Munksgaard International Publishers, Ltd</general><general>Blackwell</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7SS</scope><scope>C1K</scope></search><sort><creationdate>19921101</creationdate><title>Plant Allelochemicals, Tritrophic Interactions and the Anomalous Diversity of Tropical Parasitoids: The "Nasty" Host Hypothesis</title><author>Gauld, Ian D. ; Gaston, Kevin J. ; Janzen, Daniel H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c378t-a0ef5eeae7b6fd326530d00e97cf687f0846684f68ba68f1d7fd1ea14f1cf8c03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Biological and medical sciences</topic><topic>Evolution</topic><topic>Forum</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hymenoptera</topic><topic>Insect ecology</topic><topic>Insect eggs</topic><topic>Insect larvae</topic><topic>Invertebrates</topic><topic>Parasite hosts</topic><topic>Parasitism</topic><topic>Parasitoids</topic><topic>Phytophagous insects</topic><topic>Species</topic><topic>Synecology</topic><topic>Terrestrial ecosystems</topic><topic>Toxicity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gauld, Ian D.</creatorcontrib><creatorcontrib>Gaston, Kevin J.</creatorcontrib><creatorcontrib>Janzen, Daniel H.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Oikos</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gauld, Ian D.</au><au>Gaston, Kevin J.</au><au>Janzen, Daniel H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Plant Allelochemicals, Tritrophic Interactions and the Anomalous Diversity of Tropical Parasitoids: The "Nasty" Host Hypothesis</atitle><jtitle>Oikos</jtitle><date>1992-11-01</date><risdate>1992</risdate><volume>65</volume><issue>2</issue><spage>353</spage><epage>357</epage><pages>353-357</pages><issn>0030-1299</issn><eissn>1600-0706</eissn><coden>OIKSAA</coden><abstract>The number of species in many groups of parasitoid Hymenoptera does not increase rapidly with decreasing latitude. Discussion of the processes generating this pattern has focussed upon changes in host demographic traits and upon the effect of seasonality. Here we advance a further and compatible hypothesis, that tropical parasitoid hosts are less available to parasitoids than are extra-tropical hosts because their tissues are, on average, more chemically toxic than are the tissues of extra-tropical hosts. There is some evidence that suggests that tropical woody plants are, in general, richer in toxic secondary compounds than are extra-tropical species, and evidence exists to demonstrate that these allelochemicals may have adverse effects on parasitoids attacking phytophagous insects feeding on such plants.</abstract><cop>Oxford</cop><pub>Munksgaard International Publishers, Ltd</pub><doi>10.2307/3545032</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0030-1299 |
| ispartof | Oikos, 1992-11, Vol.65 (2), p.353-357 |
| issn | 0030-1299 1600-0706 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_16368528 |
| source | Jstor Complete Legacy |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences Evolution Forum Fundamental and applied biological sciences. Psychology Hymenoptera Insect ecology Insect eggs Insect larvae Invertebrates Parasite hosts Parasitism Parasitoids Phytophagous insects Species Synecology Terrestrial ecosystems Toxicity |
| title | Plant Allelochemicals, Tritrophic Interactions and the Anomalous Diversity of Tropical Parasitoids: The "Nasty" Host Hypothesis |
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