Ghost spider

Hibana velox is a common spider of North America. It can be found in foliage and in houses. It is useful in preying on insects like the citrus leafminer, Phyllocnistis citrella (Gracillariidae). It is a anyphaenid sac spider; distinguished from other spiders by having the abdominal spiracle placed one third to one half of the way anterior to the spinnerets toward the epigastric furrow on the underside of the abdomen. In most spiders the spiracle is just anterior to the spinnerets. Like clubionids, anyphaenids have eight eyes arranged in two rows, conical anterior spinnerets and are wandering predators that built silken retreats, or sacs, usually on plant terminals, between leaves, under bark or under rocks. There are more than 500 species in over 50 genera worldwide.