| Defensive use of an acquired substance (carminic acid) by predaceous insect larvae. | |
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MedLine Citation:
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PMID: 8020623 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Larvae of two insects, a coccinellid beetle (Hyperaspis trifurcata) and a chamaemyiid fly (Leucopis sp.), feed on cochineal insects and appropriate their prey's defensive chemical, carminic acid, for protective purposes of their own. H. trifurcata discharges the chemical with droplets of blood (hemolymph) that it emits when disturbed; Leucopis sp. ejects the compound with rectal fluid. Ants are thwarted by these defenses, which are compared with the previously-described defense of a pyralid caterpillar (Laetilia coccidivora) that disgorges carminic acid-laden crop fluid. The defensive fluid of all three larvae contains carminic acid at concentrations spanning a range (0.2-6.2%) proven deterrent to ants. Many insects are known to appropriate defensive substances from plants. Insects that acquire defensive chemicals from animal sources may be relatively rare. |
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Authors:
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T Eisner; R Ziegler; J L McCormick; M Eisner; E R Hoebeke; J Meinwald |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Experientia Volume: 50 ISSN: 0014-4754 ISO Abbreviation: Experientia Publication Date: 1994 Jun |
Date Detail:
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Created Date: 1994-08-04 Completed Date: 1994-08-04 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0376547 Medline TA: Experientia Country: SWITZERLAND |
Other Details:
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Languages: eng Pagination: 610-5 Citation Subset: IM |
Affiliation:
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Section of Neurobiology & Behavior, Cornell University, Ithaca, New York 14853. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Ants Beetles / physiology* Carmine / analogs & derivatives* Diptera / physiology* Insects / physiology* Larva / physiology* Predatory Behavior / physiology |
| Grant Support | |
ID/Acronym/Agency:
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AI02908/AI/NIAID NIH HHS; AI12020/AI/NIAID NIH HHS; AI26905/AI/NIAID NIH HHS |
| Chemical | |
Reg. No./Substance:
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1260-17-9/Carmine; 476-39-1/carminic acid |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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