Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber

Swiss Journal of Palaeontology

Table 1 Micro-CT scan settings for each fossil specimen

Fossil specimen	NMB F3742	#DO_3441-M	#NHMD_876111	#NHMD_876130
Acceleration voltage	70 kV	60 kV	70 kV	60 kV
Beam current	260 µA	310 µA	260 µA	310 µA
Projections over 360°	1440	1440	1440	1000
Pixel size	7.5 µm	4.0 µm	7.0 µm	2.2 µm
Exposure time at each rotation	3 s	4 s	3 s	6 s