Description of the structure of different silk threads produced by the water spider Argyroneta aquatica (Clerck, 1757) (Araneae : Cybaeidae)

Abstract

The ultrastructure of the different silk threads (walking threads, diving bell, cocoon-sac, egg-sac, anchor threads) produced by the water spider Argyroneta aquatica (Clerck, 1757) has been analysed by means of Scanning Electron Microscopy (SEM). Possibilities for future research linking the observed structure with the particular way of life (life under water) are discussed.