Fig. 3.

Highlighted types of spider silk in webs and cocoons (various species). Major ampullate gland silk in frame and radial threads (a), minor ampullate gland silk in spiral thread (b), flagelliform gland silk in capture thread (c), pyriform gland silk in attachments (d), aciniform gland silk in prey wrapping (e), and cylindriform gland silk in eggsack (f). Aggregate gland silk, which coats the spiral thread, is not represented. Figure inspired by Eisoldt et al.’s work (Eisoldt et al. 2011). Photographs free from rights.