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
Animal Health Trust Both clinics have active clinical research programmes. Together with the diagnostics and DNA testing services, the clinics work closely with its research teams to further scientific developments and achievements. Both clinics are core to fulfilling its educational objectives. The above activities are underpinned by the AHT’s fundraising and central support teams. Central support incorporates directorate, finance, information technology, human resources and estate and premises management. The AHT was founded in 1946 as the "Veterinary Education Trust" by Walter Reginald Wooldridge; it was renamed the "Animal Health Trust" in 1948. Animal Health Trust The Animal Health Trust (AHT) is a large