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  • Digitale Medien  (5)
  • honeybee  (3)
  • Coleoptera  (2)
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Materialart
  • Digitale Medien  (5)
Erscheinungszeitraum
Schlagwörter
  • 1
    Digitale Medien
    Digitale Medien
    o-Aminoacetophenone, a pheromone that repels honeybees (Apis mellifera L.) (1988)
    Springer
    Cellular and molecular life sciences 44 (1988), S. 270-271 
    Details
    ISSN: 1420-9071
    Schlagwort(e): Pheromone ; social behavior ; honeybee
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary o-Aminoacetophenone is a pheromone produced by virgin honeybee queens and released with feces. In small social groups, the pheromone repels and is used to terminate agonistic interactions between queens and workers.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01941735
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  • 2
    Digitale Medien
    Digitale Medien
    Nest plundering allomones of the fire beeTrigona (Oxytrigona) mellicolor (1988)
    Springer
    Journal of chemical ecology 14 (1988), S. 495-501 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Fire bee ; Trigona (Oxtrigona) mellicolor ; Trigona (Oxtrigona) tataira ; honeybee ; Apis mellifera ; Hymenoptera ; Apidae ; mandibular gland secretion ; allomone ; nest plundering ; diketones ; (E)-3-heptene-2,5-dione ; (E)-3-nonene-2,5-dione
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Ten volatile compounds derived from the cephalic glands of the fire beeTrigona (Oxytrigona)mellicolor were bioassayed for possible allomonal activities facilitating nest plundering. Two diketones, (E)-3-heptene-2,5-dione and (E)-3-nonene-2,5-dione, caused the honeybeeApis mellifera to display avoidance behavior and reduced defensive behavior. These diketones are produced in relatively large quantities in fire-bee cephalic glands.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01013901
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  • 3
    Digitale Medien
    Digitale Medien
    Defensive adaptations of eggs and adults ofGastrophysa cyanea (Coleoptera: Chrysomelidae) (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 453-462 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Defensive secretions ; oleic acid ; hydrocarbons ; terpenoids ; eggs ; deterrents ; ants ; predation ; Chrysomelidae ; Coleoptera ; Gastrophysa cyanea ; reflex bleeding ; elytral glands
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Egg clusters and adults ofGastrophysa cyanea are conspicuous and, like their larvae, are chemically protected. The eggs owe their bright yellow color primarily to β-carotene and, in addition, contain substantial quantities of oleic acid. At natural concentrations oleic acid effectively deters many species of ants from feeding. The use of fatty acids as deterrents against ants is discussed as a possible widespread phenomenon among insects. During defensive confrontations, adults ofG. cyanea exhibit avoidance behavior and may also feign death. In addition, the adults may autohemmorhage or secrete a fluid from elytral or pronotal pores in response to traumatic stimuli. The secretions are effective against ants and contain a mixture of hydrocarbons as well as terpenoid components. The pattern of ontogenetic modification in the defensive chemical repertoire ofG. cyanea is discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00987793
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  • 4
    Digitale Medien
    Digitale Medien
    Southern pine beetle: Olfactory receptor and behavior discrimination of enantiomers of the attractant pheromone frontalin (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 873-881 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Enantiomers ; bark beetle ; pheromone ; Dendroctonus frontalis ; Coleoptera ; Scolytidae ; southern pine beetle ; electrophysiology ; olfaction
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract In laboratory and field bioassays, the response ofDendroctonus frontalis was significantly greater to the mixture of (1S, 5R)-(−)-frontalin andalpha-pinene than to (1R,5S)-(+)-frontalin andalpfa-pinene. Electro-physiological studies revealed that antennal olfactory receptor cells were significantly more responsive to (1S, 5R)-(−)-frontalin than to (1R, 5S)-(+)-frontalin. Both enantiomers stimulated the same olfactory cells which suggests that each cell possesses at least two types of enantiomer-specific acceptors.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00994788
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  • 5
    Digitale Medien
    Digitale Medien
    Honeybee nestmate recognition: Effects of queen fecal pheromones (1992)
    Springer
    Journal of chemical ecology 18 (1992), S. 1633-1640 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Apis mellifera ; honeybee ; Hymenoptera ; Apidae ; queen ; fecal ; pheromones ; esters ; kin recognition
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Previous work has shown that queen honeybees,Apis mellifera, produce waxy esters composed of 8–14 carbon acids and 6–14 carbon alcohols in their feces. We tested these esters for effects on nestmate recognition; 11 of the 12 esters tested significantly modified the recognition characteristics of worker honeybees. Pairwise tests showed that workers can discriminate between at least some pairs of queen esters and that workers can discriminate between a queen ester and hexadecane (another known nestmate recognition cue). These results suggest that a queen may use the esters to enable workers to recognize her or to scent-mark her colony.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00993235
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