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 and Plant Health Agency main task is to protect the health and welfare of animals, as well as the general public, from disease. It conducts work across Great Britain on behalf of DEFRA, the Scottish Government and the Welsh Government. The agency's total expenditure for the fiscal year 2016/17 was £217.3 million. This was offset by operating income of £62.6 million giving net expenditure of £154.7 million. Animal and Plant Health Agency The Animal and Plant Health Agency (APHA), formerly known as the Animal Health and Veterinary Laboratories Agency (AHVLA), is an executive agency of the Department for Environment, Food and Rural Affairs (DEFRA)