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  • 1
    Electronic Resource
    Electronic Resource
    Enhanced production of aggregation pheromones in four stored-product coleopterans feeding on methoprene-treated oats (1986)
    Springer
    Cellular and molecular life sciences 42 (1986), S. 164-165 
    Details
    ISSN: 1420-9071
    Keywords: Methoprene ; aggregation pheromones ; pheromone production ; stored-product coleopterans ; Oryzaephilus surinamensis ; Oryzaephilus mercator ; Cryptolestes ferrugineus ; Tribolium castaneum ; insect growth regulator ; juvenile hormone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Production of aggregation pheromones by maleOryzaephilus surinamensis, O. mercator, Cryptolestes ferrugineus, andTribolium castaneum was enhanced by feeding on methoprene-treated oats, implicating juvenile hormone in control of pheromone production. Methoprene application to control insects in stored food products may cause enhanced pheromone production by these insects, thus drawing additional beetles into the treated product.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01952448
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  • 2
    Electronic Resource
    Electronic Resource
    Influence of pheromone chirality on response byOryzaephilus surinamensis andOryzaephilus mercator (Coleoptera: Cucujidae) (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 1525-1542 
    Details
    ISSN: 1573-1561
    Keywords: Oryzaephilus surinamensis ; Oryzaephilus mercator ; aggregation pheromone ; macrolide lactone ; (Z)-3-dodecen-11-olide ; (Z,Z)-3,6-dodecadien-11-olide ; (Z,Z)-5,8-tetradecadien-13-olide ; (Z, Z)-3,6-dodecadienolide ; (Z)-5-tetradecen-13-olide ; enantiomers ; racemate ; chirality ; aggregation behavior ; Coleoptera ; Cucujidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The response of the sawtoothed grain beetle,Oryzaephilus surinamensis (L.), and the merchant grain beetle,O. mercator (Fauvel), to synthetic racemic and chiral macrolide aggregation pheromones was assessed in pitfall olfactometers.O.mercator utilizes theR enantiomers of (Z)-3-dodecen-11-olide and (Z,Z)-3,6-dodecadien-11-olide.O. surinamensis utilizes theR enantiomers of (Z,Z)-3,6-dodecadien-11-olide and the Synergist (Z,Z)-5,8-tetradecadien-13-olide in combination with achiral (Z,Z)-3,6-dodecadienolide. For both species, the racemates of the respective chiral pheromones were effective attractants. The respectiveS enantiomers were inactive for both species and had no effect on the biological activity of the active antipodes. No diel periodicity in responsiveness to pheromones was detected inOryzaephilus spp. reared either on a 12∶12 light-dark photoperiod or in darkness. Nonpheromone macrolides, naturally released in trace amounts byOryzaephilus spp., did not affect the aggregation response of either species to its pheromones when these additional macrolides were combined with the pheromone mixtures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012295
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  • 3
    Electronic Resource
    Electronic Resource
    Chirality of macrolide pheromones of grain beetles in the generaOryzaephilusandCryptolestes and its implications for species specificity (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 1543-1554 
    Details
    ISSN: 1573-1561
    Keywords: Chiral semiochemicals ; pheromones ; enantiomeric composition ; enantiomeric synergism ; Cryptolestes ferrugineux ; Cryptolestes pusillus ; Cryptolestes turcicus ; Oryzaephilus mercator ; Oryzaephilus surinamensis ; Coleoptera ; Cucujidae ; (Z)-3-dodecen-11-olide ; (Z,Z)-3,6-dodecadien 11-olide ; (Z)-5-tetradecen-13-olide ; (Z,Z)-5,8-tetradecadien-13-olide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The chiralities of macrolide lactone aggregation pheromones of five species of economically important grain beetles have been determined by capillary gas chromatographic separation of the diastereomeric (S)-O-acetyllactate derivatives of the hydroxy methyl esters derived from boron trifluoride-catalyzed cleavage of the macrolides in methanol. Chirally pure (Z)-3-dodecen-11-olide (I) is produced in theS configuration byCryptolestes ferrugineus (Stephens) and in theR configuration byOryzaephilus mercator (Fauvel). (Z,Z)-3,6-Dodecadien-11-olide (II) is produced in theR configuration by bothO. mercator andO. surinamensis (L.). (Z,Z)-5,8-Tetradecadien-13-olide (IV) is produced in theR configuration byO. surinamensis and as a 85∶15 mixture ofR andS isomers byC. turcicus. (Z)-5-Tetradecen-13-olide (V) is produced in the S configuration byC. pusillus (Schönherr) and as a 33∶67 mixture of theR andS isomers byC. turcicus (Grouvelle). The results indicate that in these cucujids, species specificity in pheromone response is maintained at least in part by pheromone chirality.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012296
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