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  • 1
    Electronic Resource
    Electronic Resource
    Gaster flagging by fire ants (Solenopsis spp.): Functional significance of venom dispersal behavior (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 1757-1768 
    Details
    ISSN: 1573-1561
    Keywords: Ants ; Solenopsis invicta ; Hymenoptera ; Formicidae ; gaster flagging ; alkaloids ; defensive behavior ; venom ; antibiotic ; caste
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Behavioral and chemical studies with laboratory colonies indicate that the imported fire antSolenopsis invicta Buren (Myrmicinae) disperses venom through the air by raising and vibrating its gaster (i.e., “gaster flagging”). This mechanism of airborne venom dispersal is unreported for any ant species. Foraging workers utilize this air-dispersed venom (up to 500 ng) to repel heterospecifics encountered in the foraging arena, while brood tenders dispense smaller quantities (∼ 1 ng) to the brood surface, presumably as an antibiotic. Brood tenders removed from the brood cell and tested in heteropspecific encounters in the foraging arena exhibited the complete repertoire of agonistic gaster flagging behavior. These observations suggest that airborne venom dispersal by workers is context specific rather than temporal caste specific and that workers can control the quantity of venom released.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012125
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Nestmate recognition cues in laboratory and field colonies ofSolenopsis invicta buren (Hymenoptera: Formicidae) (1986)
    Springer
    Journal of chemical ecology 12 (1986), S. 1965-1975 
    Details
    ISSN: 1573-1561
    Keywords: Ants ; Hymenoptera ; Myrmicinae ; Solenopsis invicta ; nestmate recognition ; colony odor ; cuticular hydrocarbons ; environmental effects ; gas-liquid chromatography ; multivariate analysis ; Formicidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Laboratory-rearedSolenopsis invicta workers were tested for the ability to discriminate nestmates from nonnestmate conspecifics. Postcontact aggressive response to workers from local field colonies was significantly greater than the response to lab-reared workers, even when the latter were selected from colonies originating hundreds of miles away. Behavioral observations support the conclusion that lab-reared ants were less distinctive than field-collected ants with respect to recognition cues detectable on the cuticle. Potential environmental factors affecting colony odor are discussed. In addition, gas-liquid Chromatographic and statistical analyses of the majorS. invicta cuticular hydrocarbons indicate that cuticular hydrocarbon pattern was a poor predictor of laboratory colony response to field colony workers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01041858
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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