Capturing funnel-web egg sacs, in particular, is indispensable to the initiative. Producing a vial of antivenom requires nearly 150 spiders, and each egg sac can carry 50 to 150 spiderlings.
“Male Funnel-web spiders have short lifespans ... Each egg sac contains about 150-200 spiderlings, making it a valuable source of antivenom. Once the spiders are safely housed in a container ...