Ejection velocity of zig-zagged silken mixture of glue and venom (to tether prey at a distance)

Range ≤28.8 m/s
Organism Spitting spider Scytodes thoracica
Reference Mammola S, Michalik P, Hebets EA, Isaia M. Record breaking achievements by spiders and the scientists who study them. PeerJ. 2017 Oct 315:e3972. doi: 10.7717/peerj.3972 p.23 top paragraphPubMed ID29104823
Primary Source Suter RB, Stratton GE. 2009. Spitting performance parameters and their biomechanical implications in the spitting spider, Scytodes thoracica. Journal of Insect Science 9(1):62 DOI 10.1673/031.009.6201PubMed ID20050781
Method Primary source abstract: "Spitting spiders Scytodes spp. subdue prey by entangling them at a distance with a mixture of silk, glue, and venom. Using high-speed videography and differential interference contrast microscopy, the performance parameters involved in spit ejection by Scytodes thoracica (Araneae, Scytodidae) were measured."
Comments P.23 top paragraph: "Spitting spiders (Scytodes spp.), as their name suggest, have evolved a very peculiar hunting strategy to subdue prey: they spit a zig-zagged silken mixture of glue and venom to tether prey at a distance (see also “Most unusual venom”). Ejection velocities were measured as high as 28.8 m/s (primary source)." Primary source abstract: "Ejection velocities were measured as high as 28.8 m/s."
Entered by Uri M
ID 116192