Gaster flagging by fire ants (Solenopsis spp.): Functional significance of venom dispersal behavior

@article{Obin1985GasterFB,
  title={Gaster flagging by fire ants (Solenopsis spp.): Functional significance of venom dispersal behavior},
  author={Martin S. Obin and Robert K. vander Meer},
  journal={Journal of Chemical Ecology},
  year={1985},
  volume={11},
  pages={1757-1768}
}
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. [] Key Result 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…

Chemical mimicry in a parasitoid (Hymenoptera: Eucharitidae) of fire ants (Hymenoptera: Formicidae)

Gas Chromatographic profiles of hexane soaks of various stages of the parasite and host suggest that during development within the ant colony the parasite acquires the colony odor of the host through a passive mechanism, based on simple contact and other social interactions.

Paralyzing Action from a Distance in an Arboreal African Ant Species

The bioassays showed that the toxicity of the Dufour gland contents acts in a time-dependent manner, leading to the irreversible paralysis, and, ultimately, death of the termites.

Fire Ants Feed Their Nestmates with Their Own Venom.

Evidence is reported that Solenopsis invicta feed their nestmates with their own venom, indicating that venom in the digestive system is most likely used as an internal antibiotic by fire ants.

Colony Wide Behavioral Contexts of Stridulation in Imported Fire Ants (Solenopsis invicta Buren)

The results suggest stridulation serves multiple functions in S. invicta, and four possible explanations for the function of stridulatory behavior of individuals, solitary wasps, and published literature on formicid stridulations are discussed.

Behavioral and electrophysiological studies with live larvae and larval rinses of the red imported fire ant,Solenopsis invicta Buren (Hymenoptera: Formicidae)

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Fire ant venom alkaloids act as key attractants for the parasitic phorid fly, Pseudacteon tricuspis (Diptera: Phoridae)

The first demonstration of the role of venom alkaloids of ants as attractants for their natural enemies is demonstrated and a semiochemical-mediated host location mechanism for P. tricuspis involving both alarm pheromones and venom alkAloids is proposed.

Behavioral Discrimination between Monogyne and Polygyne Red Fire Ants (Hymenoptera: Formicidae) in their Native Range

Assessment of discrimination behaviors of both polygynous and monogynous forms of the red fire ant, Solenopsis invicta Buren, during symmetrical interactions in neutral arenas identified monogyne and polygyne forms of S.invicta colonies in concordance with current measures, including number of queens and expression of the Gp-9 gene.

For: Naturwissenschaften

The phorid fly, Pseudacteon tricuspis Borgmeier, is an introduced parasitoid of imported fire ants, Solenopsis spp., in the United States. Although the assumption that phorid flies use fire ant alarm

Venom Alkaloid and Cuticular Hydrocarbon Profiles Are Associated with Social Organization, Queen Fertility Status, and Queen Genotype in the Fire Ant Solenopsis invicta

The chemical content of whole body surface extracts of adult queens of different developmental and reproductive stages and of adult workers from monogyne and polygyne forms of the fire ant Solenopsis invicta found that the composition of the most abundant components, venom alkaloids, differed between queens and workers, as well as between reproductive and non-reproductive queens.

Aggressive Interactions Between Solenopsis invicta and Linepithema humile (Hymenoptera: Formicidae) Under Laboratory Conditions

Fire ant baits may have long-term effects on intercolonial aggression between S. invicta and L. humile, especially when Argentine ant populations are high in the summer.
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