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Arachnura ferdayi
Arachnura feredayi lateral eyes are widely separated from median 3.1 eyes. The body is shaped like an autumn leaf dead wood, which extended to its upper abdomen, giving a distinct tail-end appearance in a one-third ratio. Its tail can be wriggled, compared to its lower body, it is way smaller and slender which is not common in other spider species. However, this tail-like abdomen does not make them an enormous species. Arachnura feredayi female is six times bigger than the male, which could reach 18mm. Males are usually about 1 mm long because the male individuals do not have the signature tail, instead only a slight peak at the back of the abdomen for its reproduction, but there are some exceptions in one-fiftieth individuals that are bigger than their own could defined as the same specie, compared to other spiders it is relatively small to medium in size in spiders. There are a few variations in colour, golden brown, and gray, which often can be seen in the wild. For female A. feredayi, yellow or yellow-green coloration are common. Its distinctive appearance provides them a good mimicry that helps for their survival in the wild. Furthermore, their appearance, size, and colour, and webbing pattern can be helpful for identification as well. Moreover, they usually spin an orb web that is close to the ground which is easily found under tree branches, and some fallen leaves.

Taxonomy:
Common names: Tailed forest spider, Scorpion spider or Drag-tailed spider Tailed Forest Spider.

Full Scientific name: Arachnura ferdayi

Other taxonomic levels: Phylum: Arthropods Class: Arachnids Order: spiders Family: Araneidae (Orb-weaver spiders)

Location
Arachnura feredayi can only be found in New Zealand and dispersed in both North Island, and South Island throughout the whole country. It is believed that it was introduced from Tasmania naturally.

Habitat
Arachnura feredayi can be found in the native forests of New Zealand, some time can also find in ally gardens. In comparison to other orb web spiders, they tend to build their webs closer to ground between some dead leaf branches, bushes and shrubs. The web shape is also different with the typical orb web shape which concentric threads are disappeared at the top, instead, a V- shaped web built at the top attached to the spindle that connected to something stable at both end. The reproduction is happened in this space, the female will produce a number of eggs into a twig then hang these egg cases above the hub of the web vertically, and the females are usually found hanging underneath the egg cases in the middle of the web.

Life cycle/Phenology
There is no information has been found on their life cycle, considering forest tailed spider is classified as orb spiders, it probably have a similar life cycle with most of the orb spiders, however, A.feredayi’s reproduction is distinct from other orb web spiders. Male A. feredayi will hide on the outskirt of the orb web in the irregular threads in the reproductive season then, the male individual start vibrating a radial thread to approach to the female and the reproduction will start in the mating thread that built next to the middle of the web. After the reproduction, the male may end up consumed by the female, and the female will start to cultivate the babies, it will place the egg sacs in an open view that hang in between the hub and the V-shape web at the top with a vertical string , from the top is the latest sac till the bottom is the oldest , the mother just stay right below the egg sacs. The egg sacs can be shown in a brown colouration which provides them a good mimicry to be apart of the environment, sometimes the female bond six to seven sacs together, and each of it can encompass up to fifty eggs. When an extension of the V-shape web is required, a reconstruction of the original rest place is necessary to keep the latest egg sac at the top, the process continues and eventually the new web will be places lower the middle of the whole web may be after six of seven sacs.

Diet/ Prey/ Predators
There are no papers, books, or journals to specifically record the diet of A. ferdayi. Since it is an orb weaver spider, their diet habit are most likely to share similarities with other orb weavers which use their web to catch their prey which could be flies, grasshoppers, beetles, and many other insects that can be caught by the web.

Predators, Parasites, and Diseases-
Considering A. ferdayi is one of the orb weaver spiders, and it is relatively small in size, the animals that feed on spider which include birds, reptiles, and wasps. Moreover, it can be parasitic towards other species and parasitic wasps and flies are known to parasitize spiders. In New Zealand, some parasitic wasps have been discovered, and numerous wasp species are specialized in parasitizing a single species. A. ferdayi could be one of those. However, there are no records of the wasps parasitising A. ferdayi.