Ariamnes cylindrogaster is a spider of East and Southeast Asia with an abdomen so long and thin that, with its legs stretched out, it looks like a pine needle or a broken twig. It feeds mainly on other spiders. It is not found in the continental United States, though relatives in the same genus live in Hawaii.
Appearance
- Appearance
- Females reach about 1–1.2 in (25–30 mm) and the smaller males about 0.6–1 in (15–25 mm). The body is green to brown without bold markings, and the very long abdomen can be bent upward.
Where it lives
- Typical habitats
- Forests
- Forest edges
- Between tree branches
- Range
- Lives in East and Southeast Asia, from Laos and southern China (including Hong Kong) to Taiwan, Korea, and Japan. It does not occur in the United States.
- Preferred conditions
- Found in woodland, among the branches of trees; not in open grassland.
Behavior
- Diet
- Mostly other spiders. In a study in Japan, about 96% of its prey were spiders, belonging to 24 species in 11 families.
- Activity
- Instead of a full web, it strings just a few threads between twigs and waits for prey to touch them. At rest it holds its body and legs straight, like a thin stick.
Life cycle
- Nest
- The female makes an elongated egg sac and hangs it between twigs.
Conservation
- IUCN Red List
- NENot EvaluatedNot yet assessed
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