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Use of chemical variation and predation as plant defenses by Encelia farinosa against a specialist herbivore
Larvae of the monophagous herbivore, Trirhabda geminata , selectively eat particular plants and plant parts of its natural host, Encelia farinosa . Measurements of leaf damage and larval positions on branches through time support this observation. Time-lapse movie photography revealed that larvae ar...
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| Published in: | Journal of chemical ecology 1985-11, Vol.11 (11), p.1553-1565 |
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| Format: | Article |
| Language: | English |
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| container_end_page | 1565 |
| container_issue | 11 |
| container_start_page | 1553 |
| container_title | Journal of chemical ecology |
| container_volume | 11 |
| creator | Wisdom, C.S |
| description | Larvae of the monophagous herbivore, Trirhabda geminata , selectively eat particular plants and plant parts of its natural host, Encelia farinosa . Measurements of leaf damage and larval positions on branches through time support this observation. Time-lapse movie photography revealed that larvae are sufficiently mobile to search most of a plant in a 48-hr period and that aggregations were the result of larval activity and not directly the result of oviposition. Experiments with T. geminata larvae on artificial diets containing a range of natural concentrations of chemical extracts from E. farinosa leaves showed that the larvae grew significantly slower and had a lower overall survivorship at the high concentration. Combining the results of all choice tests, larvae appeared unable to distinguish between high- and low-concentration agar diets. |
| doi_str_mv | 10.1007/BF01012201 |
| format | article |
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Measurements of leaf damage and larval positions on branches through time support this observation. Time-lapse movie photography revealed that larvae are sufficiently mobile to search most of a plant in a 48-hr period and that aggregations were the result of larval activity and not directly the result of oviposition. Experiments with T. geminata larvae on artificial diets containing a range of natural concentrations of chemical extracts from E. farinosa leaves showed that the larvae grew significantly slower and had a lower overall survivorship at the high concentration. Combining the results of all choice tests, larvae appeared unable to distinguish between high- and low-concentration agar diets.</description><identifier>ISSN: 0098-0331</identifier><identifier>EISSN: 1573-1561</identifier><identifier>DOI: 10.1007/BF01012201</identifier><identifier>CODEN: JCECD8</identifier><language>eng</language><publisher>New York, NY: Springer</publisher><subject>ANALISIS QUIMICO ; ANALYSE CHIMIQUE ; Animal and plant ecology ; Animal, plant and microbial ecology ; Animals ; Autoecology ; Biological and medical sciences ; CHEMICAL ANALYSIS ; COMPOSITAE ; DEPREDACION ; Encelia farinosa ; Fundamental and applied biological sciences. Psychology ; General aspects ; HERBIVORE ; HERBIVORES ; HERBIVOROS ; PARASITISM ; PARASITISME ; PARASITISMO ; PREDATION ; Protozoa. 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Combining the results of all choice tests, larvae appeared unable to distinguish between high- and low-concentration agar diets.</description><subject>ANALISIS QUIMICO</subject><subject>ANALYSE CHIMIQUE</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Autoecology</subject><subject>Biological and medical sciences</subject><subject>CHEMICAL ANALYSIS</subject><subject>COMPOSITAE</subject><subject>DEPREDACION</subject><subject>Encelia farinosa</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>HERBIVORE</subject><subject>HERBIVORES</subject><subject>HERBIVOROS</subject><subject>PARASITISM</subject><subject>PARASITISME</subject><subject>PARASITISMO</subject><subject>PREDATION</subject><subject>Protozoa. 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Psychology</topic><topic>General aspects</topic><topic>HERBIVORE</topic><topic>HERBIVORES</topic><topic>HERBIVOROS</topic><topic>PARASITISM</topic><topic>PARASITISME</topic><topic>PARASITISMO</topic><topic>PREDATION</topic><topic>Protozoa. Invertebrata</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wisdom, C.S</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Ecology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Journal of chemical ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wisdom, C.S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Use of chemical variation and predation as plant defenses by Encelia farinosa against a specialist herbivore</atitle><jtitle>Journal of chemical ecology</jtitle><date>1985-11</date><risdate>1985</risdate><volume>11</volume><issue>11</issue><spage>1553</spage><epage>1565</epage><pages>1553-1565</pages><issn>0098-0331</issn><eissn>1573-1561</eissn><coden>JCECD8</coden><abstract>Larvae of the monophagous herbivore, Trirhabda geminata , selectively eat particular plants and plant parts of its natural host, Encelia farinosa . Measurements of leaf damage and larval positions on branches through time support this observation. Time-lapse movie photography revealed that larvae are sufficiently mobile to search most of a plant in a 48-hr period and that aggregations were the result of larval activity and not directly the result of oviposition. Experiments with T. geminata larvae on artificial diets containing a range of natural concentrations of chemical extracts from E. farinosa leaves showed that the larvae grew significantly slower and had a lower overall survivorship at the high concentration. Combining the results of all choice tests, larvae appeared unable to distinguish between high- and low-concentration agar diets.</abstract><cop>New York, NY</cop><pub>Springer</pub><doi>10.1007/BF01012201</doi><tpages>13</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0098-0331 |
| ispartof | Journal of chemical ecology, 1985-11, Vol.11 (11), p.1553-1565 |
| issn | 0098-0331 1573-1561 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_14326080 |
| source | Springer Online Journal Archives |
| subjects | ANALISIS QUIMICO ANALYSE CHIMIQUE Animal and plant ecology Animal, plant and microbial ecology Animals Autoecology Biological and medical sciences CHEMICAL ANALYSIS COMPOSITAE DEPREDACION Encelia farinosa Fundamental and applied biological sciences. Psychology General aspects HERBIVORE HERBIVORES HERBIVOROS PARASITISM PARASITISME PARASITISMO PREDATION Protozoa. Invertebrata |
| title | Use of chemical variation and predation as plant defenses by Encelia farinosa against a specialist herbivore |
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