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American
House Spider
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| Description |
Male 1/8-1/4", Female
1/4". Yellowish brown. Abdomen streaked and splotched with black
and gray on sides. Males's legs orangish; female's yellow with black
bands
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| Habitat |
Sheltered corners of houses,
barns, and other buildings.
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| Range |
Throughout the United
States and Canada.
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| Food |
Insects.
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| Life Cycle |
Females spins pear-shaped
brownish silken cocoon around egg mass and hangs it in web. Adult females
can live more than a year.
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Other
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This spider emerges in darkness to produce webs beneath ceilings or in window frames, taking advantage of every angle to set sticky strands where insects may get caught. Then the spider lies in wait on the part of the web that has an extra layer of silk. If large prey , such as a camel cricket, gets ensnarled, the spider throws more silk on it and then pulls it up into the web. This spider was formerly assigned to genus Theridion. |