Asemonea cuprea
Description
Description
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The spider is small, with a typical length between . The male has a moderately high pear\-shaped [carapace](/wiki/Carapace "Carapace") that is typically  long and  wide. It is generally yellow, but the [clypeus](/wiki/Clypeus_%28spider%29 "Clypeus (spider)") and [eye field](/wiki/Spider_vision "Spider vision") have a covering of bright orange scales. Black rings surround the eyes. Typically for the genus, the eyes arranged in four rows, the third row being particularly large. The clypeus is low. The [labium](/wiki/Labium_%28arthropod_mouthpart%29 "Labium (arthropod mouthpart)") is pale yellow and the [chelicerae](/wiki/Chelicerae "Chelicerae") have two small teeth visible at the front and three at the back. The [sternum](/wiki/Sternum_%28arthropod_anatomy%29 "Sternum (arthropod anatomy)") is heart\-shaped and whitish\-yellow. The [abdomen](/wiki/Opisthosoma "Opisthosoma") is generally yellow like the carapace, but slightly narrower, typically  long and  wide. It has a pattern on its back consisting of two blackish\-grey lines down the middle and chevrons towards the back. Vivid orange hairs adorn the back half. The underside is whitish. The spider has yellow [spinnerets](/wiki/Spinneret "Spinneret") and long thin pale yellow [legs](/wiki/Arthropod_leg "Arthropod leg") that also have blackish markings. The legs are hairy and covered in spines. The [pedipalps](/wiki/Pedipalp "Pedipalp") are complex. The palpal femur has a short furrow down the middle and a large corkscrew apophysis, or spike\-like appendage. It has a large ventral tibial apophysis and a long tipped dorsal apophysis. The [cymbium](/wiki/Cymbium_%28spider_anatomy%29 "Cymbium (spider anatomy)") is unusually narrow. The [embolus](/wiki/Embolus_%28spider_anatomy%29 "Embolus (spider anatomy)") is thin and encircles the rounded [tegulum](/wiki/Tegulum "Tegulum"). The spermophore is meandering.

The female is smaller than the male, with a carapace that is typically  long and  wide and an abdomen typically  in length and  in width. It is similar to the male in shape, apart from the narrower carapace. The carapace is generally brown, tending to orange towards the edges, but lacks the characteristic bright orange scales of the male. The eye field is dark, nearly black. The abdomen differs from the male in the lack of orange hairs. It is not unusual for the males of the genus to be less ornate that the females. The [epigyne](/wiki/Epigyne "Epigyne") is slightly [sclerotized](/wiki/Sclerotization "Sclerotization") with two depressions within a central furrow. The [gonopores](/wiki/Gonopore "Gonopore") are hidden in sclerotized cup\-like regions. Internally, the structure is simple with long thin seminal ducts leading to nearly\-spherical receptacles.

The spider is typical for the genus. The male can be distinguished from other species by its bright orange scales and the orange hair on the back half of its abdomen. It also has a long dorsal spike on its palpal tibia and an unusual right\-angle shaped [subtegulum](/wiki/Subtegulum "Subtegulum"). The female can be differentiated from other *Asemonea* spiders by the very simple structure of its epigyne. These contrast heavily with the complex design of other species like *[Asemonea flava](/wiki/Asemonea_flava "Asemonea flava")*.


Can you find similar patterns on the abdomen of other arachnids?