trail pheromone example
Trail pheromones are produced primarily by social insects that forage on the ground, such as termites and ants, although a few nonsocial insects also use them. This site requires the use of cookies to function.
Based on the video images taken, the number of ants following the entire length of chemical trail was counted. PDF + 7 Day HTML Access to this Article - Online Wrote the paper: DC NDT.For more information about PLOS Subject Areas, click
(a) Migration southward. 60:581-599 (Volume publication date January 2015)
Foraging workers on the soil surface readily discovered the filter paper, climbed on it, and encountered the trail.
(Left) Available genome editing technologies to manipulate genes in vivo in nonmodel insects.
A chromatogram obtained from a SPME fiber that was used as a foraging trail is also shown (bottom).
This variation might be due to physical nature of dolichodial and iridomyrmecin: previous laboratory studies indicated that small amounts of the dolichodial/iridomyrmecin mixture (i.e., one ant-equivalent obtained via solvent extraction) dissipate from surfaces within 40 minutes under ambient conditions We did not detect (Z)-9-hexadecenal in the recruitment trails of Argentine ants.
Once an ant reached the trail, we started videotaping the filter paper for 2 min until the trial was terminated. We also estimated the total quantities of dolichodial, iridomrymecin, and (Z)-9-hexadecenal in a single worker ant by extracting 10 workers homogenized in 200-µl methylene chloride.
For example, ants mark their paths with pheromones consisting of volatile hydrocarbons.
Different chemicals were alternated between trials to insure all treatments were tested under similar activity level of the test colony.
The data (i.e., proportion of ants choosing the treatment arm) were analyzed by a Chi-squared test.
(a) Trend data for IUCN-listed Coleoptera (Col), Hym...Figure 3: Reversal of fortunes.
However, we do not completely dismiss the notion that Argentine ants could also use (Z)-9-hexadecenal for recruitment for several reasons.
An individual monarch is tethered in an opaq...Figure 3: The time-compensated sun compass system of migrant monarchs.
This combined effect might explain, at least in part, why whole gaster extracts and synthetic (Z)-9-hexadecenal were different in their efficacies as a trail.
As soon as the ants reached the top of either choice arm, we removed them to prevent recruitment of other ants.
Each square represents a single study, with the base of each stacked bar positioned over ...Figure 2: Population trends for insects tracked by the International Union for Conservation of Nature (IUCN) and UK insects from Dirzo et al. (B) Chemical structures of dolichodial and iridomyrmecin, with relative configurations as shown.
(Top) Zinc-finger nuclease (ZFN) pair bound to i...Karl M. Glastad, Brendan G. Hunt, Michael A.D. GoodismanEpigenetic inheritance is fundamentally important to cellular differentiation and developmental plasticity.
Social insects commonly use trail pheromones.
First, it is possible that recruiting ants may deposit (Z)-9-hexadecenal in amounts below the detection limit of our current methods. (Left) North American monarch butterflies east of the Rocky Mountains (brown line) migrate long distanc...Figure 2: Sun compass and magnetic compass orientation in migrant monarchs.
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Genes that are (a) actively expressed, (b) bivalent and poised for expression, and (c) stably repressed are depicted with characteristic histo...Are you already a subscriber or have purchased pay per view access in the last 7 days?
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