Data for: Island invasions by the non-native vinegar fly Drosophila suzukii and its parasitoid wasps

The main dataset for this article.Metadata:year - the sampling yearregion_name - the name of the region where the site is locatedregion_type - whether the site is located on the Mainland, Vancouver Island, or one of the Gulf Islands round - whether the sample was taken during the first or second round of sampling each yearsite_num - a number designation for the site within the regionsite_id - the unique site identificationsiteyear_id - a unique ID for the site-year combinationsubsample - the subsample (i, ii, or iii) of 15 berrieslatitude - the site's latitude (only listed for the first subsample)longitude - the site's longitude (only listed for the first subsample)n_berries - the number of Rubus armeniacus berries sampledcollection_date - the collection datedegree_days - the number of degree days (base 7.2 degrees) accumulated since April 1 of the same year until the sampling date.site_description - short description of the siten_swd_puparia - the number of D. suzukii puparia extracted from the samplen_swd_container - the number of D. suzukii adults that emerged from berries in the container after puparial extractions.n_puparia_parasitoids - the number of parasitoids that emerged from extracted puparia.n_container_parasitoids - the number of parasitoids that emerged from berries in the container after puparial extractions.n_Lj - the number of parasitoids identified as Leptopilina japonica.n_Gb - the number of parasitoids identified as Ganaspis brasiliensis (later re-named Ganaspis kimorum).