Provisional atlas of the aculeate Hymenoptera of Britain and Ireland Part 9

This ninth part of the Bees, Wasps and Ants Provisional Atlas is the result of much hard work by many people. With the addition of this part to the series, just over 80% of the British species of aculeate have now been covered. In the Atlas distribution maps and species profiles are provided for the: Dryinidae; Formicidae; Pompilidae; Crabronidae; Sphecidae; Andrenidae; Apidae; Halictidae; and Megachilidae.