Spiders as all invertebrates have to molt old cuticle (skin) for it to grow.  Many spider species spin silken shelters to molt safely but many as this has done will hang by silk to molt clear of danger. This exuva (molted skin) has been left hanging.
Photographed in Queensland, Australia. Image and Text Copyright Joe Warfel
Photographed in Queensland, Australian rainforest. Image and Text Copyright Joe Warfel
Even on the rear of the abdomen of Amyciaea albomaculata seems to mimic the head and eyes of it's prey, the green tree ant (Oecophylla smaragdina). Image and Text Copyright Joe Warfel
This unusual Thomisdae (crab spider) is a predatory ant-mimic of the common green weaver tree ant found in Australia. Image and Text Copyright Joe Warfel
The common tropical family: Ctenidae is typically called the tropical wandering spider. The so-called "bannana spider" which is sometimes found in bannana shipments is often a species of ctenidae. Image and Text Copyright Joe Warfel
This ctenid is feeding on an onychophoran which can also be found in Costa Rican rainforests. Image and Text Copyright Joe Warfel
This large ctenid from Costa Rica is a common species in lowland rainforest. This is a female, the male is slightly smaller and instead of red ventral leg color has spots. Image and Text Copyright Joe Warfel
This species has  distinctive rows of setae(hairs) on the prosoma (head) and prominent brushy areas on it's front two legs.
Jumping spiders as this one are considered the "teddy bears" of the spider world. Image and Text Copyright Joe Warfel
This common orb weaver Araneus marmoreus has yet to grow to full maturity .  This immature specimen was found in Massachusetts. Image and Text Copyright Joe Warfel
This species has distinctive rows of setae(hairs) on the prosoma (head) and prominent brushy areas on it's front two legs.
Jumping spiders as this one are considered the "teddy bears" of the spider world. Image and Text Copyright Joe Warfel
This species has  distinctive rows of setae(hairs) on the prosoma (head) and prominent brushy areas on it's front two legs.
Jumping spiders as this one are considered the "teddy bears" of the spider world. Image and Text Copyright Joe Warfel
This species has distinctive rows of setae(hairs) on the prosoma (head) and prominent brushy areas on it's front two legs.
Jumping spiders as this one are considered the "teddy bears" of the spider world. Image and Text Copyright Joe Warfel
See photo in original gallery.