<p>1 Introduction; Alain Roques and Andrea Battisti<br>2 Natural History of the Processionary Moths (Thaumetopoea spp.): New Insights in Relation to Climate Change; Andrea Battisti, Mustafa Avcı, Dimitrios N. Avtzis, Mohamed L. Ben Jamaa, Laura Berardi, Wahiba Berretima, Manuela Branco, Gahdab Chakali, Moulay Ahmed El Alaoui El Fels, Brigitte Frérot, Jose´ A. Hódar, Irina Ionescu-Mălăncus, Kahraman İpekdal, Stig Larsson, Traian Manole, Zvi Mendel, Nicolas Meurisse, Plamen Mirchev, Nabil Nemer, Maria-Rosa Paiva, Juan Pino, Alex Protasov, Noureddine Rahim, Jérôme Rousselet, Helena Santos, Daniel Sauvard, Axel Schopf, Mauro Simonato, Annie Yart, and Mohamed Zamoum<br>3 Climate Warming and Past and Present Distribution of the Processionary Moths (Thaumetopoea spp.) in Europe, Asia Minor and North Africa; Alain Roques, Jérôme Rousselet, Mustafa Avcı, Dimitrios N. Avtzis, Andrea Basso, Andrea Battisti, Mohamed Lahbib Ben Jamaa, Atia Bensidi, Laura Berardi, Wahiba Berretima, Manuela Branco, Gahdab Chakali, Ejup Çota, Mirza Dautbaŝić, Horst Delb, Moulay Ahmed El Alaoui El Fels, Saïd El Mercht, Mhamed El Mokhefi, Beat Forster, Jacques Garcia, Georgi Georgiev, Milka M. Glavendekić, Francis Goussard, Paula Halbig, Lars Henke, Rodolfo Hernańdez, José A. Hódar, Kahraman İpekdal, Maja Jurc, Dietrich Klimetzek, Mathieu Laparie, Stig Larsson, Eduardo Mateus, Dinka Matošević, Franz Meier, Zvi Mendel, Nicolas Meurisse, Ljubodrag Mihajlović, Plamen Mirchev, Sterja Nasceski, Cynthia Nussbaumer, Maria-Rosa Paiva, Irena Papazova, Juan Pino, Jan Podlesnik, Jean Poirot, Alex Protasov, Noureddine Rahim, Gerardo Sańchez Peña, Helena Santos, Daniel Sauvard, Axel Schopf, Mauro Simonato, Georgi Tsankov, Eiko Wagenhoff, Annie Yart, Regino Zamora, Mohamed Zamoum, and Christelle Robinet<br>4 Genetic Diversity and Structure at Different Spatial Scales in the Processionary Moths; Carole Kerdelhué, Andrea Battisti, Christian Burban, Manuela Branco, Anna Cassel-Lundhagen, Kahraman İpekdal, Stig Larsson, Carlos Lopez-Vaamonde, Emmanuelle Magnoux, Eduardo Mateus, Zvi Mendel, Enrico Negrisolo, Maria-Rosa Paiva, Isabelle D. Pivotto, Susana Rocha, Cecilia Ronnås, Alain Roques, Jean-Pierre Rossi, Jérôme Rousselet, Paola Salvato, Helena Santos, Mauro Simonato, and Lorenzo Zane<br>5 Modeling the Spatio-temporal Dynamics of the Pine Processionary Moth; Lionel Roques, Jean-Pierre Rossi, Henri Berestycki, Jérôme Rousselet, Jimmy Garnier, Jean-Michel Roquejoffre, Luca Rossi, Samuel Soubeyrand, and Christelle Robinet<br>6 Insect – Tree Interactions in Thaumetopoea pityocampa; Hervé Jactel, Luc Barbaro, Andrea Battisti, Alexandre Bosc, Manuela Branco, Eckerhard Brockerhoff, Bastien Castagneyrol, Anne-Maïmiti Dulaurent, José A. Hódar, Jean-Sébastien Jacquet, Eduardo Mateus, Maria-Rosa Paiva, Alain Roques, Jean-Charles Samalens, Helena Santos, and Fredrik Schlyter<br>7 Ecological Responses of Parasitoids, Predators and Associated Insect Communities to the Climate-Driven Expansion of the Pine Processionary Moth; Marie-Anne Auger-Rozenberg, Luc Barbaro, Andrea Battisti, Sébastien Blache, Yohan Charbonnier, Olivier Denux, Jacques Garcia, Francis Goussard, Charles-Edouard Imbert, Carole Kerdelhué, Alain Roques, Magally Torres-Leguizamon, and Fabrice Vetillard<br>8 Medical and Veterinary Impact of the Urticating Processionary Larvae; Ignacio Moneo, Andrea Battisti, Barbara Dufour, José Carlos García-Ortiz, Miguel González-Muñoz, François Moutou, Paolo Paolucci, Edoardo Petrucco Toffolo, Julie Rivière, Ana-Isabel Rodríguez-Mahillo, Alain Roques, Lionel Roques, Jose María Vega, and Jesús Vega<br>9 Development of Environment-Friendly Strategies in the management of Processionary Moths; Jean-Claude Martin</p>