An illustrated key to the cuckoo wasps (Hymenoptera, Chrysididae) of the Nordic and Baltic countries, with description of a new species

An extremely well illustrated, with high resolution colour photographs, key and descriptions of species from Nordic and Baltic countries. ALL the British mainland species are included apart from Chrysis rutiliventris*. The images can be viewed at 400% or more to show some of the cryptic characters in very fine detail. 
 
 *A sub species of Chrysis rutiliventris - C. vanlithi (here elevated to species level) is included though.
Author(s): 
Juho Paukkunen, Alexander Berg, Villu Soon, Frode Ødegaard, Paolo Rosa.
Free: 
Yes
Available as: 
Online
PDF
Keywords: 
wasp cuckoo-wasp jewel-wasp