A saliva-like substance that is secreted by aphids, called "honeydew." An unsightly, sooty mold, encouraged by the presence ...
Beyond the potential for unattractive honeydew and stains, though, these aphids are harmless. They don't bite or sting. They also won't live very long in your home as the now-cut Christmas tree ...
However, many baits are ineffective for carpenter ants. We seek to identify attractive pheromones and semiochemicals (message-bearing chemicals) derived from natural food sources (e.g. aphids honeydew ...
If these pests are detected early as a result of regular and careful checks, they can almost always be controlled by mechanical (IPM) means before resorting to using a pesticide for control.
Other ant species herd aphid 'cattle', which they eat and also milk for honeydew, a plant sap excreted by the aphids. They even have their own ‘fences’ to prevent the aphids from straying away.