More than 30 years ago, studies showed that (Z)-9-hexadecenal strongly … One reason for the ecological dominance of introduced Argentine ant populations is their ability to dominate food and habitat resources through the rapid mobilization and recruitment of thousands of workers. 2) For example, the pheromones in the dog urine will mark the dog’s territory. Other articles where Alarm pheromone is discussed: chemoreception: Pheromones: Alarm pheromones, produced by some animals and best known in insects, have quite different requirements.
All colonies were maintained at 21–25°C on a natural light cycle, and provided with 25% (wt/vol) sucrose solution, scrambled eggs supplemented with yeast powder and freeze-killed crickets and cockroaches (For the Argentine ant colony fragments collected in Berkeley, we used Teflon coated wire (50 cm×1.5 mm outer diameter Teflon tubing with metal wire inserted in it) as a substrate to collect trail chemicals in two different recruitment scenarios: foraging (The trail extract was concentrated down to ≈10 µl under NWe estimated the concentrations of dolichodial and iridomyrmecin on the trails using external standards of known concentrations.
Number within a bar indicates total number of ants choosing the treated arm/total number of ants tested. Please see our THE CLASSICAL VIEW OF TRAIL PHEROMONES—RECRUITMENT AND WORKER ALLOCATIONTHE MANY ROLES OF TRAIL PHEROMONES IN THE ORGANIZATION OF SOCIAL INSECT COLONIESMULTICOMPONENT TRAILS: LONG-LASTING AND SHORT-LIVED PHEROMONESTHE INTERACTION OF PHEROMONE TRAILS WITH OTHER SIGNALS AND INFORMATION SOURCESPotential of Insects as Food and Feed in Assuring Food SecurityHow Many Species of Insects and Other Terrestrial Arthropods Are There on Earth?Epigenetics in Insects: Genome Regulation and the Generation of Phenotypic Diversity Bioassays with standard dolichodial and iridomyrmecin confirmed that this mixture attracted workers and induced trail-following behavior. A laboratory test with synthetic (Z)-9-hexadecenal indicated that ≈0.1 ng was the limit of detection with the GC-MS (D.-H. Choe, unpublished data). Foraging workers on the soil surface readily discovered the filter paper, climbed on it, and encountered the trail. 1965 ), and Polyergus rufescens ( Visicchio et al. Dolichodial and iridomyrmecin are produced and stored in the pygidial gland of Argentine ants The concentrations of dolichodial and iridomyrmecin on recruitment trails were variable, even though we collected and analyzed the chemicals while many ants were actively using the trails. The ability of social insects to coordinate individual behaviors for colony-level tasks is central to their ecological dominance in most terrestrial ecosystems The trail pheromone of the Argentine ant has been the focus of numerous studies because of its significance in the species' mass recruitment behavior. There are also pheromones that are used to delineate territory. This trail attracts other ants and serves as a guide. For example, citronellal has been identified as a trail pheromone in P. marginata (Hölldobler et al. An important aspect of recent decline reports is evidence of steep population declines in formerly abundant species.
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