To avoid being eaten by the females, which are typically much larger, male spiders identify themselves to potential mates by a variety of complex courtship rituals. Males of most species survive a few matings, limited mainly by their short life spans. Social behavior ranges from precarious toleration, as in the widow spiders, to co-operative hunting and food-sharing. Although most spiders live for at most two years, tarantulas and other mygalomorph spiders can live up to 25 years in captivity.
In 2019, the U.S. District Court of Northern Alabama ruled spiders are insects in Robinson v. Liberty Mutual. In 2020, the 11th Circuit Court of Appeals upheld the ruling. The Appeals Court stated, "Alabama law requires courts to construe the terms of an insurance policy according to their ordinary meaning. So unless the context suggests otherwise, the terms of a policy should not be given a technical or scientific meaning." The case arose because the Robinson's family home was infested with brown recluse spiders. The family insured their home with Liberty Mutual insurance company, and the couple filed a claim to have spider problem remediated. The insurance policy insured against risk to direct use of property; but excluded birds, vermin, rodents, or insects (but did not exclude spiders). Liberty Mutual denied the claim under the exclusions and stated spiders are insects. The Robinson's filed a lawsuit, and both Courts agreed with the insurance company.
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