As insects developed from crawling on the ground, to climbing up into the branches and leaves of trees, and finally flying through the air, spiders 'skills in using their silken webs also advanced by leaps and bounds. Spiders were originally ground-living animals, but they later began to stretch their webs high in the air, and to produce all kinds of carefully crafted webs in response to different insects' habits and characteristics.
隨著昆蟲由地表爬行、攀上枝葉、終至空中飛行，蜘蛛駕馭絲網的本事也突飛猛進，從原始地棲蜘蛛，進而將捕捉網高掛空中，與經過各種高度設計的精密網具，以對付琳瑯滿目的昆蟲習性。