FIGURE 8. Phylogenetic 5 in Chironomus blaylocki sp. n. and C. bifurcatus sp. n., North American species near the base of the decorus-group (Diptera: Chironomidae)

FIGURE 8. Phylogenetic 5-arm Neighbor-Joining tree of the cytologically defined decorus-group (dec), on the basis of the banding patterns of chromosome arms A, C, D, E and F. sta —outgroup species (Chironomus staegeri), NA dec—North American species, obt—Palaearctic species of the obtusidens-group. Modified from Gunderina et al. (2005).