What does the skull and crossbones symbol on a pesticide label signify?

The skull and crossbones symbol on a pesticide label is a well-recognized warning that indicates a high level of toxicity. Specifically, it signifies that the substance can enter the body through various routes such as ingestion, inhalation, or dermal absorption, and can potentially cause serious harm or death. This symbol alerts users to handle the pesticide with extreme caution, as it poses significant risks not only to the targeted pests but also to humans, pets, and the environment if not used properly. The presence of this symbol is a critical part of labeling for hazardous materials, ensuring that users are informed of the dangers involved in handling and applying the product.