Dear Colleagues, We would like to announce the following event as wide as possible: the 5th International Workshop on the Genetics of Host-Parasite and Host-Pests Interactions in Forestry will be held in August 2015 in Orléans, France. You will find attached the preliminary call and the poll. We would be grateful to you if you could disseminate this preliminary call to anyone who might be interested. Thank you, Arnaud Dowkiw, Aurélien Sallé & Véronique Jorge