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Spiders, ubiquitous and abundant predators in terrestrial ecosystems, often bear the weight of an unjust negative perception. However, these remarkable creatures stand as unsung heroes within our ecosystems, wielding significant influence by contributing a multitude of ecosystem services critical to both the planet’s future and human well-being. Here, we delve into the diverse spectrum of ecosystem services offered by spiders and their potential to inspire or directly provide nature-based solutions. Provisioning services include the versatile uses of silk-like materials, inspiration for biomimetic technology, medicines derived from venom, bio-insecticides that offer eco-friendly alternatives to synthetic chemicals, food sources for various communities worldwide, and even becoming unconventional yet increasingly valued pets. Regulating services provided by spiders extend to vital roles in pest suppression across diverse agricultural settings, mitigating diseases by curbing insectmediated pathogen dispersal, and controlling invasive species. Supporting services offered by spiders are equally extensive, involving nutrient cycling through the breakdown of organic matter, acting as food sources, or creating habitats for other organisms. Beyond their tangible contributions, spiders hold a significant cultural and spiritual heritage globally and are integral to many traditional medicine practices. They inspire contemporary culture, provide educational value, offer models for scientific discovery, contribute to mental health improvement, evoke a sense of place, and are commonly employed for monitoring biodiversity and ecosystem health. To pave the way for future research, we present a roadmap for exploring ecosystem services by spiders. While many of these services are wellestablished and studied from various perspectives, others harbour untapped potential. Leveraging what nature inherently provides, these nature-based solutions offer avenues to address challenges such as biodiversity erosion and societal needs. By restoring, preserving, or mimicking natural processes of spiders, we can enhance or provide essential ecosystem services, harnessing the full potential of spiders and the intricate web of benefits they bring to our world.

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