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  • 1
    Electronic Resource
    Electronic Resource
    Changes of species specific cuticular hydrocarbon profiles in the cockroaches Nauphoeta cinerea and Leucophaea maderae reared in heterospecific groups (1997)
    Springer
    Entomologia experimentalis et applicata 85 (1997), S. 145-150 
    Details
    ISSN: 1570-7458
    Keywords: Dictyoptera ; Oxyhaloinae ; artificial heterospecific colonies ; cuticular hydrocarbons ; chemical signature ; interspecific recognition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The cuticular hydrocarbon profiles of the cockroaches Nauphoeta cinerea and Leucophaea maderae are species-specific when maintained in homospecific rearings. When individuals were reared in mixed species colonies, they initially remained in homospecific groups under different shelters. However, after 14 days they formed one heterospecific group with cuticular profiles showing characteristics of both species. When individuals were returned in monospecific rearings, their cuticular hydrocarbon profiles returned to species-specific ones within 3 weeks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003021524525
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Pheromonal emission during the mating behavior ofEurycotis floridana (Walker) (Dictyoptera: Blattidae) (1996)
    Springer
    Journal of insect behavior 9 (1996), S. 197-213 
    Details
    ISSN: 1572-8889
    Keywords: sexual behavior ; sex pheromones ; cockroach ; Eurycotis floridana
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The sexual behavior of males and females ofEurycotis floridana was investigated and the various associated behavioral sequences are described. Olfactometer data proved that the male produces a volatile sex pheromone attractive at a distance to conspecific females. The male initiates courtship behavior by exposing the glandular areas on the anterior parts of abdominal tergites 2, 7, and 8. This male calling behavior was observed throughout the day. The males can mate when 8 days old, whereas virgin females are sexually receptive 18 days after becoming adults. Once attracted near the male, the female opens her genital atrium and climbs on the back of the male, where she feeds on the glandular secretions that oozed around a little tuft of setae on the first tergite. These setae are mechanoreceptors and they are stimulated when licked by the females, which informs the male that she is in a proper position for copulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02213865
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Male dominant/subordinate relationships, cuticular profiles and sex pheromone in Nauphoeta cinerea (Dictyoptera, Blaberidae) (1997)
    Springer
    Insectes sociaux 44 (1997), S. 277-287 
    Details
    ISSN: 1420-9098
    Keywords: Key words:Nauphoeta cinerea, dominance, sex pheromone, cuticular profiles.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary: In the cockroach Nauphoeta cinerea, male-male aggressive interactions result in dominant-subordinate relationships. Once dominance relationships are established, a male can recognize the status of another individual, likely through chemical cues. The aim of this study was to determine the effect of these male-male interactions on cuticular chemical profiles and on the relative composition of the male sex pheromone. The results of chemical analyses of males reared in pairs for 30 days clearly showed significant differences in both cuticular profiles and sex pheromone of dominant and subordinate individuals. The possible role of these compounds as recognition cues was discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s000400050048
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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