These insects and arachnids might startle you or send shivers down your spine, but there's no need to worry about these bugs—not too much, anyway.

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gather and concentrate toxic alkaloids in their bodies from certain poisonous insects and other arthropods in their diet. The chemicals seep out onto the skin and are a potentially lethal ...

The ability to tolerate toxic substances can help animals find new food sources and thrive in certain ecological niches.

In the study, the introduction of genetically altered males, which the team refers to as the "toxic male technique," reduced the female population by 37 to 64 percent. Many problematic insects ...