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  • Articles: DFG German National Licenses  (8)
  • defensive secretion  (6)
  • Meloidae  (2)
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  • Articles: DFG German National Licenses  (8)
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Years
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Systemic retention of ingested cantharidin by frogs (1990)
    Springer
    Chemoecology 1 (1990), S. 57-62 
    Details
    ISSN: 1423-0445
    Keywords: toxin sequestration ; predation ; human dietary hazard ; cantharidin ; Coleoptera ; Meloidae ; Epicauta vittata ; Rana ; Hirudo ; Nerodia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Frogs(Rana pipiens) fed on blister beetles (Meloidae) or cantharidin, retain cantharidin systemically. After cessation of feeding, they void the compound relatively quickly. Systemic cantharidin does not protect frogs against ectoparasitic feeding by leeches(Hirudo medicinalis) or predation by snakes(Nerodia sipedon). As suggested by our data, and from reports in the early literature, ingestion of cantharidin-containing frogs can pose a health threat to humans.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01325229
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Chemical defense of a primitive Australian bombardier beetle (Carabidae):Mystropomus regularis (1991)
    Springer
    Chemoecology 2 (1991), S. 29-34 
    Details
    ISSN: 1423-0445
    Keywords: defensive secretion ; hot secretion ; elytral flanges ; evolution ; benzoquinones ; hydrocarbons ; bombardier beetle ; Coleoptera ; Carabidae ; Paussinae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The Australian bombardier beetle,Mystropomus regularis, sprays a mixture of quinones (1,4-benzoquinone, 2-methyl-1,4-benzoquinone, 2-ethyl-1,4-benzoquinone) and hydrocarbons (principallyn-pentadecane). The defensive fluid ist generated explosively in two-chambered glands, and is ejected audibly and hot (maximal recorded temperature = 59°C).Mystropomus is a member of the paussoid lineage of bombardiers. In common with other members of the group, it has a pair of elytral flanges (flanges of Coanda), associated with the gland openings, that serve as launching guides for anteriorly-aimed ejections of spray. It is argued thatMystropomus may be the least derived of flanged paussoids, and the closest living relative of the most primitive of extant bombardiers (Metriini).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01240663
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Necrodols: Anti-insectan terpenes from defensive secretion of carrion beetle (Necrodes surinamensis) (1986)
    Springer
    Journal of chemical ecology 12 (1986), S. 1407-1415 
    Details
    ISSN: 1573-1561
    Keywords: Coleoptera ; Silphidae ; Necrodes surinamensis ; carrion beetle ; monoterpenes ; iridoids ; necrodols ; defensive secretion ; insect repellent ; insect irritant ; bioassay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Two compounds recently isolated from the defensive gland ofNecrodes surinamensis, α-and β-necrodol, first representatives of a new category of monoterpenes (the necrodanes), are shown to be repellent to ants and other insects and irritating to cockroaches and flies. The compounds doubtless play a defensive role inNecrodes. The possible long-range applied significance of research on insect repellents is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012360
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Antifeedant action ofZ-dihydromatricaria acid from soldier beetles (Chauliognathus spp.) (1981)
    Springer
    Journal of chemical ecology 7 (1981), S. 1149-1158 
    Details
    ISSN: 1573-1561
    Keywords: Dihydromatricaria acid ; antifeedant ; acetylenic acid ; Chauliognathus pennsylvanicus ; Coleoptera ; Cantharidae ; soldier beetles ; Phidippus ; jumping spider ; bioassay ; defensive secretion ; defensive behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The acetylenic acid,Z-dihydromatricaria acid (DHMA), previously isolated from the defensive secretion ofChauliognathus lecontei, and now shown to occur also inC. pennsylvanicus, is a potent feeding deterrent to jumping spiders (Phidippus spp.). A simple bioassay withPhidippus is described, which is generally applicable to studies dealing with the isolation and evaluation of feeding deterrency of natural products from insects. By use of this assay,Phidippus were shown to be sensitive to as little as 1 μg DHMA, an amount equivalent to less than 2% of the DHMA content ofC. pennsylvanicus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987634
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Benzoyl cyanide and mandelonitrile in the cyanogenetic secretion of a centipede (1976)
    Springer
    Journal of chemical ecology 2 (1976), S. 421-429 
    Details
    ISSN: 1573-1561
    Keywords: cyanogenesis ; benzoyl cyanide ; mandelonitrile ; defensive secretion ; geophilomorph centipede
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Centipedes of the order Geophilomorpha produce a viscid odorous secretion that is effectively defensive against ants (Formica exsectoides). The secretion is proteinaceous and cyanogenetic. InGeophilus vittatus, the secretion contains two cyanogenetic compounds, mandelonitrile (I) and benzoyl cyanide (II), as well as two products derived from these compounds as a result of hydrogen cyanide production [benzaldehyde (III) and benzoic acid (IV)]. Benzoyl cyanide has not been reported previously from any natural source.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988807
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    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Chemical defense of a rove beetle (Creophilus maxillosus) (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 159-180 
    Details
    ISSN: 1573-1561
    Keywords: Coleoptera ; Staphylinidae ; Creophilus maxillosus ; defensive secretion ; ant repellent ; bioassay ; isoamyl acetate ; isoamyl alcohol ; iridodial ; actinidine ; dihydronepetalactone ; (E)-8-oxocitronellyl acetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The abdominal defensive glands ofC. maxillosus secrete a mixture (70μg/beetle) of isoamyl alcohol (I), isoamyl acetate (II), iridodial (III), actinidine (IV), dihydronepetalactone (VE), and (E)-8-oxocitronellyl acetate (X). When disturbed, the beetle everts the glands and revolves the abdomen so as to wipe the glands against the offending agent. Fecal fluid is commonly emitted at the same time and may become added to the glandular material. Ants (Formica exsectoides) are effectively fended off by the beetle and were shown in bioassays (Monomorium destructor) to be repelled by the four major components of the secretion (II, III, X, VE); the principal component (VE) was the most active. Some anatomical features of the glands are described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987779
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Defensive secretion of two notodontid caterpillars (Schizura unicornis, S. badia) (1993)
    Springer
    Journal of chemical ecology 19 (1993), S. 2089-2104 
    Details
    ISSN: 1573-1561
    Keywords: Lepidoptera ; Notodontidae ; Schizura ; defensive secretion ; formic acid ; 2-tridecanone ; (5)-2-tridecanol ; 2-tridecyl formate ; 2-pentadecanone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The cervical gland secretion of larvae ofSchizura unicornis andS. badia (Lepidoptera: Notodontidae) contains formic acid, acetic acid, and a mixture of lipophilic compounds, including 2-alkanones, 2-alkanols, and formates of the alkanols. InS. unicornis, the secretion also contains severalω-monounsaturated analogs of the alcohols, ketones, and formates. The absolute configuration of two of the alcohols (2-tridecanol and 2-pentadecanol) was established asS in both species. The larvae spray their secretion when physically disturbed, aiming it accurately in the direction of the offending agent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00979649
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Contrasting reactions of loggerhead shrikes to two types of chemically defended insect prey (1996)
    Springer
    Journal of chemical ecology 22 (1996), S. 173-181 
    Details
    ISSN: 1573-1561
    Keywords: Arctiidae ; Meloidae ; Utetheisa ornatrix ; Lytta polita ; pyrrolizidine alkaloids ; cantharidin ; feeding aversion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Feeding tests with loggerhead shrikes (Lanius ludovicianus) showed this bird to acceptUtetheisa ornatrix, a moth (Arctiidae) protected by pyrrolizidine alkaloids, but to avoidLytta polita, a beetle (Meloidae) containing cantharidin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02055090
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    Paper (German National Licenses)
    Fulltext
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