... by a web and which are most likely to be captured by a spider. The third contrast is seen in the performance of beetle elytra, which registered approximately twice the relative stickiness for cribellar thread as it did for viscous thread. The elytra's small, sparse setae lie in cuticular grooves ( Fig...

...Anya C. Hawthorn; Brent D. Opell SUMMARY Cribellar thread is the most primitive type of sticky prey capture thread found in aerial spider webs. Its outer surface is formed of thousands of fine fibrils that issue from a cribellum spinning field. The fibrils of primitive cribellar thread...