The spruce weevil (Pissodes strobi) genome - size expansion and evidence of a Wohlbachia endosymbiont Kristina K. Gagalova1,2‡, Justin G.A. Whitehill3,4‡, Luka Culibrk1,2, Diana Lin1,2, Véronique Lévesque-Tremblay5, Christopher I. Keeling5,6, Lauren Coombe1, Inanç Birol1,9, Jörg Bohlmann3,7,8, and Steven J.M. Jones1,6,9