-Metadata 1: information about the datasets for bees.
-Metadata 2: a list of explored museums and private collections, and the references reviewed to acquire occurrence data.
-Metadata 3: a detailed description of the fields for both databases.
-Metadata 4: a detailed description of the calculations used in FileMakerPro to prepare and clean the hoverfly database.
-Metadata 5: the data used to produce figures 4 and 5.
-Metadata 6: the list of the dataset sources of the Estonian data