AppearanceLike all spiders, ''C. inclusum'' has two body segments: a cephalothorax and an abdomen. In females, the body measures between 5 and 9mm and in males, 4 to 8mm. The leg span however can be up to 1 inch with the front pair of legs being longer than the other 3 pairs. Males tend to have a skinnier body and a larger leg span than females. ''C. inclusum'' gets its 2 common names from its appearance. It is a pale yellow-beige colour with dark brown markings on its palps, chelicerae and on the ends of its tarsi . There is also often an orange-brown stripe running down the top-centre of its abdomen. In terms of sensory structures, ''C. inclusum'' has 8 similarly sized eyes distributed in 2 parallel horizontal rows. However their eyes are thought to be less important structures due to the absence of light during the spider's nocturnal activity.
The spider relies more on palps, sensory structures just behind the chelicerae on the cephalothorax, to sense its environment.
Distribution''C. inclusum'' are native to the New World . This species has also been introduced to Africa and Réunion. They are most often found in trees and shrubs, but may also find shelter in houses and other human-made structures.
BehaviorFemales of ''C. inclusum'' mate only once, and produce their first egg mass about 14 days after mating. Two sets of eggs are usually produced, but this can range anywhere from 1 to 5. Egg masses generally contain 17 to 85 eggs, although as many as 112 eggs have been reported in a single egg mass. Egg lying generally occurs during the months of June and July; during this period, females lay their eggs in small silk tubes and enclose themselves with the eggs, protecting them from predators. Females stay with the eggs and juvenile spiders for about 17 days – until their first complete molt. Females that produce multiple egg masses build a second egg sac about two weeks after the juvenile spiders disperse. Males tend to mature faster than females , but time to maturity can range from 65 to 273 days depending on a number of factors, such as temperature, humidity and photoperiod. They over-winter mostly as adults or sub-adults.Being nocturnal, ''C. inclusum'' feed and mate at night. ''C. inclusum'' do not make webs to catch prey; instead, they are active predators, feeding on a variety of arthropods such as insects and other spiders. Prey detection may involve detection of mechanical vibrations of the substrate, and vision seems to play an insignificant role. During the day, they retreat in small silk nests similar to those used for reproduction. A new nest, which may be completely closed, open on one side, or open on both sides, is built every day in under 10 minutes.
C. inclusum are known to disperse easily between trees and shrubs. They do this by excreting a long silk thread that gets carried by the wind and sticks to a nearby structure, forming a scaffold between two structures. Alternatively, the spider may stay attached to the thread and balloon through the air. These spiders are infamous for their vertical traveling attached to a silk string, which they use in order to both catch airborne prey, and keep out of reach of other predators, such as larger spiders, centepedes or ants.
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