Living With Spider Silk

Funnel Web: Agelenopsis species

Spiders produce a variety of silks that can be classified into 7 distinct types: Major Ampullate, Minor Ampullate, Pyriform, Aciniform, Flagelliform, Tubuliform and Viscous Aggregate. The silks are produced in separate glands for special purposes. Major Ampullate silk is used in the radii (spokes) of orb web spiders and as a safety line in other spiders. The Minor Ampullate silk is used for prey wrapping.

Flagelliform silk is used in the axial strands of webs….

Source: Living With Insects Blog

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