Besides active hunting, what vital functions require silk production by Lycosidae spiders?
Answer
Wrapping egg sacs or lining burrows.
Although wolf spiders are renowned for not using silk webs for catching prey—a characteristic defining their cursorial nature—they still utilize silk for essential life functions. Silk is critically employed in the creation and maintenance of their nursery structures. Specifically, females spin a silken sac, often pear-shaped, to meticulously enclose their developing eggs. Furthermore, if a wolf spider excavates a burrow for shelter or resting, it will often use silk to line the interior of this tube, providing structural integrity and a smooth surface.
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