How many species of yellow sac spiders are widely recognized as established or introduced in North America?
Answer
Two.
For North America, only two species, *Cheiracanthium inclusum* and *Cheiracanthium mildei*, are widely recognized as established or introduced.
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Which statement best describes the encounter frequency of yellow sac spiders in the New World?Where is the genus *Cheiracanthium* predominantly established globally?How many species of yellow sac spiders are widely recognized as established or introduced in North America?What is the origin of the yellow sac spider species *Cheiracanthium mildei* in North America?How do yellow sac spiders primarily obtain their food?What purpose do the small silk retreats constructed by yellow sac spiders serve during the day?What do documented bite statistics suggest about the interaction level between humans and yellow sac spiders?According to documented studies of verified bites in the US and Australia, what is true regarding necrosis?What is described as a critical step for population control inside the home?Besides insects, what else do yellow sac spiders consume to support their fitness?