Pine processionary development, pine processionary caterpillars are highly irritating to the skin. Contact with the hairs of the caterpillar can cause severe rashes (urticaria) and eye irritation. Some individuals may have an allergic reaction to the caterpillar's hairs. 5th stage larvae can eject hairs when threatened or stressed; the hairs, which have the form of harpoons, then penetrate and irritate all areas of exposed skin nearby with an urticating protein. Allergic reactions may follow in susceptible individuals on subsequent exposure to the hairs. The pine processionary is an economic pest in coniferous forests in southern Europe. It is controlled to some extent
Human–animal hybrid legal process had created a paper trail of arguments, giving Newman what he considered a victory. "The Washington Post" ran an article on the controversy that stated that it had raised "profound questions about the differences-- and similarities-- between humans and other animals, and the limits of treating animals as property." President George W. Bush brought up the topic in his 2006 State of the Union Address, in which he called for the prohibition of "human cloning in all its forms", "creating or implanting embryos for experiments", "creating "human-animal hybrids"", and also "buying, selling, or patenting human embryos". He argued,