Pine processionary maximum recorded of . The species flies from May to July. "T. pityocampa" is a highly social organism. Throughout its life cycle, a pine processionary will make several shelters. The first of these are flimsy and temporary, but in the third instar, they build a permanent nest. Once their permanent nest is built, the caterpillars become foragers staying in the vicinity of the nest. The nest has no openings, so caterpillars force themselves through the layers of the shelter. The waste from the larvae's diet accumulates at the bottom of the nest. The pine processionary caterpillar is responsible for most
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