Solitary by default
Adult spiders generally tolerate each other only during mating. Aggregations of webs (e.g., cellar spiders in a basement) reflect shared favorable microhabitat, not cooperation.
References
- [1]Social Spiders - University of British Columbia. Accessed June 2026.
Related in Behavior
- Why spiders come indoorsMost spiders found inside North American homes are house-adapted species that live their entire lives indoors.
- Are spiders aggressive?No spider species in North America is aggressive toward humans in the behavioral sense.
- Ballooning: how spiderlings travelMany spiderlings disperse by releasing silk strands into rising air and being carried aloft, sometimes for hundreds of kilometers.
- Courtship and mating behaviorSpider courtship is highly species-specific and often involves vibratory signaling, visual displays, or chemical cues.
- Prey capture strategiesPrey capture in spiders ranges from passive web ambush to active visual pursuit.
- Diurnal vs. nocturnal activity patternsMost North American synanthropic spiders are nocturnal; jumping spiders and many crab spiders are strictly diurnal.