Figure 4From: Molecular species identification of Central European ground beetles (Coleoptera: Carabidae) using nuclear rDNA expansion segments and DNA barcodesHistogram of fragment length frequencies of the analysed V4 (red), V7 (blue) and D3 (green) sequences. Fragment lengths from 185 to 254 bp for the D3 marker, 355 to 515 bp for the V4 marker, and 388 to 504 bp for the V7 marker.Back to article page