Figure 1: Distribution of Arphia conspersa (1), Sphagniana sphagnorum (2), Aeropodellus arcticus (3), Xanthippus brooksi (4), Tetrix fuliginosa (5), Chorthippus fallax (6), Ch. shantariensis (7), and Paracyphoderris erebeus (8) relative to the boreal zone (cross-hatching) (see text and references for details). The boundaries of the boreal zone based on [1, 2, 5] with some minor changes and simplification. The basic map is “Northern Hemisphere of Earth (Lambert Azimuthal projection)” by Sean Baker from http://commons.wikimedia.org/wiki/file:Northern_Hemisphere_LamAz.png, under the CC-by-2.0 license.