Another Mars “bug” caught in motion in these NASA Phoenix Sol 123 photos:
http://phoenix.lpl.arizona.edu/images.php?gID=36456&cID=321
http://phoenix.lpl.arizona.edu/images.php?gID=36497&cID=321
http://phoenix.lpl.arizona.edu/images.php?gID=36498&cID=321
These are animated in a video at:
http://www.youtube.com/watch?v=Qb_aNjkHlSc
It is similar to those in Horts' reply #387
This kind of multi-legged "bug" with spade tale (proboscis?) can also be seen at the bottom left of:
http://www.youtube.com/watch?v=Qb_aNjkHlSc
HH