The evolution of novel animal signals: Silk decorations as a model system

Biological Reviews

Volumn 87, Issue 3, 2012, Pages 686-700

  Walter, André ^a   Elgar, Mark A ^a  

^a UNIVERSITY OF MELBOURNE   (Australia)

Author keywords

Argiope; Experimental design; Extended phenotype signal; Signal conflict; Signal evolution; Stabilimenta; Visual signals; Web decoration

Indexed keywords

SILK;

ANIMAL; ANIMAL COMMUNICATION; BIOLOGICAL MODEL; EVOLUTION; PHYSIOLOGY; REVIEW; SPIDER;

ANIMAL COMMUNICATION; ANIMALS; BIOLOGICAL EVOLUTION; MODELS, BIOLOGICAL; SILK; SPIDERS;

ANIMALIA; ARANEAE; ARGIOPE;

EID: 84863544444     PISSN: 14647931     EISSN: 1469185X     Source Type: Journal    
DOI: 10.1111/j.1469-185X.2012.00219.x     Document Type: Review

References (142)

1. Abrenica-Adamat, L. R., Torres, M. A. J., Barrion, A. A., Dupo, A. L. B. & Demayo, C. B. (2009). Salient features of the orb-web of the garden spider, Argiope luzona (Walckenaer, 1841) (Araneae: Araneidae). Egyptian Academic Journal of biological Science 1, 73-83.
2. Anderson, J. F. (1990). The size of spider eggs and estimates of their energy content. Journal of Arachnology 18, 73-78.
3. Andersson, M. (1982). Female choice selects for extreme tail length in a widowbird. Nature 299, 818-820.
4. Andersson, M. (1986). Evolution of condition-dependent sex ornaments and mating preferences: sexual selection based on viability differences. Evolution 40, 804-816.
5. Barlow, G. W. (2000). The Cichlid Fishes: Nature's Grand Experiment in Evolution. Perseus Publishing, Cambridge and Massachusetts.
6. Bjorkman-Chiswell, B. T., Kulinski, M. M., Muscat, R. L., Nguyen, K. A., Norton, B. A., Symonds, M. R. E., Westhorpe, G. E. & Elgar, M. A. (2004). Web building spiders attract prey by storing decaying matter. Naturwissenschaften 91, 245-248.
7. Blackledge, T. A. (1998a). Signal conflict in spider webs driven by predators and prey. Proceedings of the Royal Society of London Series B 265, 1991-1996.
8. Blackledge, T. A. (1998b). Stabilimentum variation and foraging success in Argiope aurantia and Argiope trifasciata (Araneae: Araneidae). Journal of Zoology 246, 21-27.
9. Blackledge, T. A. & Wenzel, J. W. (1999). Do stabilimenta in orb webs attract prey or defend spiders? Behavioral Ecology 10, 372-376.
10. Blackledge, T. A. & Wenzel, J. W. (2001). Silk mediated defense by an orb web spider against predatory mud-dauber wasps. Behaviour 138, 155-171.
11. Blamires, S. J., Hochuli, D. F. & Thompson, M. B. (2008). Why cross the web: decoration spectral properties and prey capture in an orb spider (Argiope keyserlingi) web. Biological Journal of the Linnean Society 94, 221-229.
12. Blamires, S. J., Hochuli, D. F. & Thompson, M. B. (2009). Prey protein influences growth and decoration building in the orb web spider Argiope keyserlingi. Ecological Entomology 34, 545-550.
13. Blamires, S. J., Thompson, M. B. & Hochuli, D. F. (2007). Does decoration building influence antipredator responses in an orb-web spider (Argiope keyserlingi) in its natural habitat? Austral Ecology 32, 551-563.
14. Boutry, C. & Blackledge, T. A. (2008). The common house spider alters the material and mechanical properties of cobweb silk in response to different prey. Journal of Experimental Biology 309, 542-552.
15. Bradley, R. A. (1993). The influence of prey availability and habitat on activity patterns and abundance of Argiope keyserlingi (Araneae: Araneidae). Journal of Arachnology 21, 91-106.
16. Bruce, M. J. (2006). Silk decorations: controversy and consensus. Journal of Zoology 269, 89-97.
17. Bruce, M. J., Heiling, A. M. & Herberstein, M. E. (2004). Web decorations and foraging success in 'Araneus'eburnus (Araneae: Araneidae). Annales Zoologici Fennici 41, 563-575.
18. Bruce, M. J., Heiling, A. M. & Herberstein, M. E. (2005). Spider signals: are web decorations visible to birds and bees? Biology Letters 1, 299-302.
19. Bruce, M. J. & Herberstein, M. E. (2005). Web decoration polymorphism in Argiope Audouin, 1826 (Araneidae) spiders: ontogenetic and interspecific variation. Journal of Natural History 39, 3833-3844.
20. Bruce, M. J. & Herberstein, M. E. (2006). The influence of predator cues on orb-web spider foraging behaviour. Ethology Ecology & Evolution 18, 91-98.
21. Bruce, M. J., Herberstein, M. E. & Elgar, M. A. (2001). Signalling conflict between prey and predator attraction. Journal of Evolutionary Biology 14, 786-794.
22. Cheng, R.-C. & Tso, I.-M. (2007). Signaling by decorating webs: luring prey or deterring predators? Behavioral Ecology 18, 1085-1091.
23. Cheng, R.-C., Yang, E.-C., Lin, C.-P., Herberstein, M. E. & Tso, I.-M. (2010). Insect form vision as one potential shaping force of spider web decoration design. Journal of Experimental Biology 213, 759-768.
24. Chmiel, K., Herberstein, M. E. & Elgar, M. A. (2000). Web damage and feeding experience influence web site tenacity in the orb web spider Argiope keyserlingi Karsch. Animal Behaviour 60, 821-826.
25. Craig, C. L. (1991). Physical constraints on group foraging and social evolution: observations on web-spinning spiders. Functional Ecology 5, 649-654.
26. Craig, C. L. (1994). Predator foraging behavior in response to perception and learning by its prey: interactions between orb-spinning spiders and stingless bees. Behavioral Ecology & Sociobiology 35, 45-52.
27. Craig, C. L. & Bernard, G. D. (1990). Insect attraction to ultraviolet reflecting spider webs and web decorations. Ecology 71, 616-623.
28. Craig, C. L., Wolf, S. G., Davis, L. D., Hauber, M. E. & Maas, J. L. (2001). Signal polymorphism in the web-decorating spider Argiope argentata is correlated with reduced survivorship and the presence of stingless bees, its primary prey. Evolution 55, 986-993.
29. Crome, W. & Crome, I. (1961). Paarung und Eiablage bei Argyope bruennichi (Scopoli) auf Grund von Freilandbeobachtungen an zwei Populationen im Spreewald/Mark Brandenburg (Araneae: Araneidae). Mitteilungen des Zoologischen Museums Berlin 37, 189-252.
30. Eberhard, W. G. (1982). Behavioral characters for the higher classification of orb-weaving spiders. Evolution 36, 1067-1095.
31. Eberhard, W. G. (2003). Substitution of silk stabilimenta for egg sacs by Allocyclosa bifurca (Araneae: Araneidae) suggests that silk stabilimenta function as camouflage devices. Behaviour 140, 847-868.
32. Eberhard, W. G. (2007). Stabilimenta of Philoponella vicina (Araneae: Uloboridae) and Gasteracantha cancriformis (Araneae: Araneidae): evidence against a prey attractant function. Biotropica 39, 216-220.
33. Eberhard, W. G. (2008). Araneus expletus (Araneae, Araneidae): another stabilimentum that does not function to attract prey. Journal of Arachnology 36, 191-194.
34. Edmunds, J. (1986). The stabilimenta of Argiope flavipalpis and Argiope trifasciata in West Africa, with a discussion of the function of stabilimenta. In Proceedings of the 9th International Congress of Arachnology, Panama, Panama 1983 (eds W. G. Eberhard, Y. D. Lubin and B. C. Robinson), pp. 61-72. Smithsonian Institution Press, Washington.
35. Edmunds, J. & Edmunds, M. (1986). The defensive mechanisms of orb weavers (Araneae: Araneidae) in Ghana, West Africa. In Proceedings of the 9th International Congress of Arachnology, Panama 1983 (eds W. G. Eberhard, Y. D. Lubin and B. C. Robinson), pp. 73-89. Smithsonian Institution Press, Washington.
36. Eisner, T. & Nowicki, S. (1983). Spider web protection through visual advertisement: role of the stabilimentum. Science 219, 185-187.
37. Elgar, M. A., Allan, R. A. & Evans, T. A. (1996). Foraging strategies in orb-spinning spiders: ambient light and silk decorations in Argiope aetherea Walckenaer (Araneae: Araneoidea). Australian Journal of Ecology 21, 464-467.
38. Elgar, M. A., Schneider, J. M. & Herberstein, M. E. (2000). Female control of paternity in the sexually cannibalistic spider Argiope keyserlingi. Proceedings of the Royal Society of London Series B 267, 2439-2443.
39. Enders, F. (1974). Vertical stratification in orb-web spiders (Araneidae, Araneae) and a consideration of other methods of coexistence. Ecology 55, 317-328.
40. Endler, J. A. (1992). Signals, signal conditions, and the direction of evolution. American Naturalist 139, 125-153.
41. Endler, J., Westcott, D. A., Madden, J. A. & Robsen, T. (2005). Animal visual systems and the evolution of color patterns: sensory processing illuminates signal evolution. Evolution 59, 1795-1818.
42. Ewer, R. (1972). The devices in the web of the West African spider Argiope flavipes. Journal of Natural History 6, 159-167.
43. Foelix, R. F. (1996). Biology of Spiders. Oxford University Press & Georg Thieme Verlag, Oxford and New York.
44. Foellmer, M. W. & Fairbairn, D. J. (2005). Selection on male size, leg length and condition during mate search in a sexually highly dimorphic orb-weaving spider. Oecologia 142, 653-662.
45. Gálvez, D. (2009). Frame-web-choice experiments with stingless bees support the prey-attraction hypothesis for silk decorations in Argiope savignyi. Journal of Arachnology 37, 249-253.
46. Gálvez, D. (2011). Web decoration of Micrathena sexpinosa (Araneae: Araneidae): a frame-web-choice experiment with stingless bees. Journal of Arachnology 39, 128-132.
47. Gawryszewski, F. M. & Motta, P. C. (2008). The silk tuft web decorations of the orb-weaver Gasteracantha cancriformis: testing the prey attraction and the web advertisement hypotheses. Behaviour 145, 277-295.
48. Guilford, T. & Dawkins, M. S. (1991). Receiver psychology and the evolution of animal signals. Animal Behaviour 42, 1-14.
49. Hauber, M. (1998). Web decorations and alternative foraging tactics of the spider Argiope appensa. Ethology Ecology & Evolution 10, 47-54.
50. Hayashi, C. Y., Blackledge, T. A. & Lewis, R. V. (2004). Molecular and mechanical characterization of aciniform silk: uniformity of iterated sequence modules in a novel member of the spider silk fibroin gene family. Molecular Biology and Evolution 21, 1950-1959.
51. Herberstein, M. E. (2000). Foraging behaviour in orb-web spiders (Araneidae): do web decorations increase prey capture success in Argiope keyserlingi Karsch, 1878? Australian Journal of Zoology 48, 217-223.
52. Herberstein, M. E., Craig, C. L., Coddington, J. A. & Elgar, M. A. (2000a). The functional significance of silk decorations of orb-web spiders: a critical review of the empirical evidence. Biological Reviews 75, 649-669.
53. Herberstein, M. E., Craig, C. L. & Elgar, M. A. (2000b). Foraging strategies and feeding regimes: Web and decoration investment in Argiope keyserlingi Karsch (Araneae: Araneidae). Evolutionary Ecology Research 2, 69-80.
54. Higgins, L. E. (1990). Variation in foraging investment during the intermolt interval and before egg-laying in the spider Nephila clavipes (Araneae: Araneidae). Journal of Insect Behavior 3, 773-783.
55. Hingston, R. W. G. (1927). Protective devices in spider's snares, with a description of seven new species of orb-weaving spiders. Proceedings of the Zoological Society of London 28, 259-293.
56. Horton, C. C. (1980). A defensive function for the stabilimentum of two orb-weaving spiders (Araneae, Araneidae). Psyche 87, 13-20.
57. Humphreys, W. F. (1992). Stabilimenta as parasols: shade construction by Neogea sp. (Araneae: Araneidae: Argiopinae) and its thermal behaviour. Bulletin of the British Arachnological Society 9, 47-52.
58. Humphries, S. & Ruxton, G. D. (1999). Bower-building: coevolution of display traits in response to the costs of female choice? Ecology Letters 4, 402-413.
59. Hurst, L. D. & Peck, J. R. (1996). Recent advances in understanding of the evolution and maintenance of sex. Trends in Ecology & Evolution 11, 46-52.
60. Jaffé, R., Eberhard, W., de Angelo, C., Eusse, D., Gutierrez, A., Quijas, S., Rodríguez, A. & Rodríguez, M. (2005). Caution webs in the way! Possible functions of silk stabilimenta in Gasteracantha cancriformis (Araneae: Araneidae). Journal of Arachnology 34, 448-455.
61. Janetos, A. C. (1982). Foraging tactics of two guilds of web-spinning spiders. Behavioral Ecology & Sociobiology 10, 19-27.
62. Justice, M. J., Justice, T. C. & Vesci, R. L. (2005). Web orientation, stabilimentum structure and predatory behavior of Argiope florida Chamberlin & Ivie 1944 (Araneae, Araneidae, Argiopinae). Journal of Arachnology 33, 82-92.
63. Kerr, A. M. (1993). Low frequency of stabilimenta in orb webs of Argiope appensa (Araneae: Araneidae) from Guam: an indirect effect of an introduced avian predator? Pacific Science 47, 328-337.
64. Kodric-Brown, A. & Brown, J. H. (1987). Anisogamy, sexual selection, and the evolution and maintenance of sex. Evolutionary Ecology 1, 95-105.
65. Levi, H. W. (1968). The spider genera Gea and Argiope in America (Araneae: Araneidae). Bulletin of The Museum of Comparative Zoology 136, 319-352.
66. Levi, H. W. (1983). The orb-weaver genera Argiope, Gea, and Neogea from the Western Pacific region (Araneae: Araneidae, Argiopinae). Bulletin of The Museum of Comparative Zoology 150, 247-338.
67. Li, D. (2005). Spiders that decorate their webs at higher frequency intercept more prey and grow faster. Proceedings of the Royal Society of London Series B 272, 1753-1757.
68. Li, D., Kok, L. M., Seah, W. K. & Lim, M. L. M. (2003). Age-dependent stabilimentum-associated predator avoidance behaviours in orb-weaving spiders. Behaviour 140, 1135-1152.
69. Li, D. & Lee, W. S. (2004). Predator-induced plasticity in web-building behaviour. Animal Behaviour 67, 309-318.
70. Li, D. & Lim, M. L. M. (2005). Ultraviolet cues affect the foraging behaviour of jumping spiders. Animal Behaviour 70, 771-776.
71. Li, D., Lim, M. L. M., Seah, W. K. & Tay, S. L. (2004). Prey attraction as a possible function of discoid stabilimenta of juvenile orb-spinning spiders. Animal Behaviour 68, 629-635.
72. Lubin, Y. D. (1975). Stabilimenta and barrier webs in the orb webs of Argiope argentata (Araneae, Araneidae) on Daphne and Santa Cruz Islands, Galapagos. Journal of Arachnology 2, 119-126.
73. Lubin, Y. D., Ellner, S. & Kotzman, M. (1993). Web relocation and habitat selection in desert widow spider. Ecology 74, 1915-1928.
74. Malt, S., Sander, F. W. & Schäller, G. (1990). Contribution to foraging ecology of selected Araneidae in xerophil grasslands with particular consideration of Argiope bruennichi (Scop.). Zoologische Jahrbücher (Systematik) 117, 237-260.
75. Maynard Smith, J. & Harper, D. (2004). Animal Signals. Oxford University Press, Oxford.
76. McCook, H. C. (1889). American Spiders and their Spinning Work (Volume 1). Academy of Natural Sciences, Philadelphia.
77. McCook, H. C. (1890). American Spiders and their Spinning Work (Volume 2). Academy of Natural Sciences, Philadelphia.
78. Møller, A. P. & Höglund, J. (1991). Patterns of fluctuating asymmetry in avian feather ornaments: implications for models of sexual selection. Proceedings of the Royal Society of London Series B 245, 1-5.
79. Nakata, K. (2008). Spiders use airborne cues to respond to flying insect predators by building orb-web with fewer silk thread and larger silk decorations. Ethology 114, 686-692.
80. Nakata, K. (2009). To be or not to be conspicuous: the effects of prey availability and predator risk on spider's web decoration building. Animal Behaviour 78, 1255-1260.
81. Neet, C. R. (1990). Function and structural variability of the stabilimenta of Cyclosa insulana (Costa) (Araneae, Araneidae). Bulletin of the British Arachnological Society 8, 161-164.
82. Nelson, G. (1978). Ontogeny, phylogeny, paleontology, and the biogenetic law. Systematic Zoology 27, 324-345.
83. Nentwig, W. (1986). Stabilimente in Radnetzen von Argiope-Arten (Araneae: Araneidae): ein funktionsloses Relikt? Verhandlungen der Deutschen Zoologischen Gesellschaft 79, 182.
84. Nentwig, W. & Heimer, S. (1987). Ecological aspects of spider webs. In Ecophysiology of Spiders (ed. W. Nentwig), pp. 211-225. Springer, Berlin, Heidelberg, New York.
85. Nentwig, W. & Rogg, H. (1988). The cross stabilimentum of Argiope argentata-nonfunctional or a nonspecific stress reaction? Zoologischer Anzeiger 221, 246-266.
86. Nyffeler, M. & Benz, G. (1978). Die Beutespektren der Netzspinnen Argiope bruennichi (Scop.), Araneus quadratus Cl. und Agelena labyrinthica (Cl.) in Odlandwiesen bei Zürich. Revue Suisse de Zoologie 85, 747-757.
87. Nyffeler, M., Dean, D. A. & Sterling, W. L. (1987). Feeding ecology of the orb-weaving spider Argiope aurantia [Araneae: Araneidae] in a cotton agroecosystem. Entomophaga 32, 367-375.
88. Olive, C. W. (1980). Foraging specializations in orb-weaving spiders. Ecology 61, 1133-1144.
89. Olive, C. W. (1981). Optimal phenology and body-size of orb-weaving spiders: foraging constraints. Oecologia 49, 83-87.
90. Opell, B. D. (1998). Economics of spider orb-webs: the benefits of producing adhesive capture thread and of recycling silk. Functional Ecology 12, 613-624.
91. Ord, T. J., Blumstein, D. T. & Evans, C. S. (2002). Ecology and signal evolution in lizards. Biological Journal of the Linnean Society 77, 127-148.
92. Osorio, D. & Vorobyev, M. (2008). A review of the evolution of animal colour vision and visual communication signals. Vision Research 48, 2042-2051.
93. Pasquet, A. & Leborgne, A. (1990). Prey capture efficiency and prey selection from insects intercepted by trap in four orb-weaving spider species. Acta Oecologica 11, 513-523.
94. Peakall, D. B. (1966). Regulation of protein production in the silk glands of spiders. Comparative Biochemistry and Physiology B 19, 253-258.
95. Peakall, D. B. (1971). Conservation of web proteins in the spider, Araneus diadematus. Journal of Experimental Zoology 176, 257-264.
96. Peters, H. M. (1953). Beiträge zur vergleichenden ethologie und ökologie tropischer Webespinnen. Zeitschrift für Morphologie und Ökologie der Tiere 42, 278-306.
97. Peters, H. M. (1993). Über das problem der stabilimente in spinnennetzen. Zoologische Jahrbücher (Physiologie) 97, 245-264.
98. Platnick, N. I. (2010). The world spider catalog, Version 11.0. Electronic file available at. Accessed 24 January 2012.
99. Prokop, P. & Grygláková, D. (2005). Factors affecting the foraging success of the wasp-like spider Argiope bruennichi (Araneae): role of web design. Biologia 60, 165-169.
100. Rao, D. (2010). Stingless bee interception is not affected by variations in spider silk decoration. Journal of Arachnology 38, 157-161.
101. Rao, D., Cheng, K. & Herberstein, M. E. (2007). A natural history of web decorations in the St Andrew's Cross spider (Argiope keyserlingi). Australian Journal of Zoology 55, 9-14.
102. Rao, D., Webster, M., Heiling, A. M., Bruce, M. J. & Herberstein, M. (2009). The aggregating behaviour of Argiope radon, with special reference to web decorations. Journal of Ethology 27, 35-42.
103. Rendall, D., Owren, M. J. & Ryan, M. J. (2009). What do animal signals mean? Animal Behaviour 78, 233-240.
104. Robinson, M. H. & Lubin, Y. D. (1979). Specialists and generalists: the ecology and behaviour of some web-building spiders from Papua New Guinea. I. Herennia ornatissima, Argiope ocyaloides and Arachnura melanura (Araneae: Araneidae). Pacific Insects 21, 97-132.
105. Robinson, M. H., Mirick, H. & Turner, O. (1969). The predatory behaviour of some araneid spiders and the origin of immobilization wrapping. Psyche 76, 487-501.
106. Robinson, M. H. & Olazarri, J. (1971). Units of behavior and complex sequences in the predatory behavior of Argiope argentata (Fabricius): (Araneae: Araneidae). Smithsonian Contributions to Zoology 65, 1-36.
107. Robinson, M. H. & Robinson, B. C. (1970). The stabilimentum of the orb web spider, Argiope argentata: an improbable defence against predators. Canadian Entomologist 102, 641-655.
108. Robinson, M. H. & Robinson, B. C. (1973). The stabilimenta of Nephila clavipes and the origins of stabilimentum-building in araneids. Psyche 80, 277-288.
109. Robinson, B. & Robinson, M. H. (1974). The biology of some Argiope species from New Guinea: predatory behaviour and stabilimentum construction (Araneae: Araneidae). Zoological Journal of the Linnean Society 54, 145-159.
110. Robinson, B. & Robinson, M. H. (1978). Developmental studies of Argiope argentata (Fabricius) and Argiope aemula (Walckenaer). Symposia of the Zoological Society of London 42, 31-40.
111. Saravanan, D. (2006). Spider silk-structure, properties and spinning. Journal of Textile and Apparel, Technology and Management 5, 1-20.
112. Schaedelin, F. C. & Taborsky, M. (2009). Extended phenotypes as signals. Biological Reviews 84, 293-313.
113. Schoener, T. W. & Spiller, D. A. (1992). Stabilimenta characteristics of the spider Argiope argentata on small islands: Support of the predator-defense hypothesis. Behavioral Ecology & Sociobiology 31, 309-318.
114. Seah, W. K. & Li, D. (2001). Stabilimenta attract unwelcome predators to orb-webs. Proceedings of the Royal Society of London Series B 268, 1553-1558.
115. Seah, W. K. & Li, D. (2002). Stabilimentum variations in Argiope versicolor (Araneae: Araneidae) from Singapore. Journal of Zoology 258, 531-540.
116. Sergio, F., Blas, J., Blanco, G., Tanferna, A., López, L., Lemus, J. A. & Hiraldo, F. (2011). Raptor nest decorations are a reliable threat against conspecifics. Science 331, 327-330.
117. Simmons, L. W. & Parker, G. A. (1989). Nuptial feeding in insects: mating effort versus paternal investment. Ethology 81, 332-343.
118. Simon, E. (1895). Histoire Naturelle des Araignées (Volume 1). fasc. 4. Libraire Encyclopédique de Roret, Paris.
119. Starks, P. T. (2002). The adaptive significance of stabilimenta in orb-webs: a hierarchical approach. Annales Zoologici Fennici 39, 307-315.
120. Tan, E. J., Seah, S. W. H., Yap, L.-M. Y. L., Goh, P. M., Gan, W., Liu, F. & Li, D. (2009). Why do orb-weaving spiders (Cyclosa ginnaga) decorate their webs with silk spirals and plant detritus? Animal Behaviour 79, 179-186.
121. Théry, M. & Casas, J. (2009). The multiple disguises of spiders: web colour and decorations, body colour and movement. Philosophical Transactions of the Royal Society of London Series B 364, 471-480.
122. Tillinghast, E. K. & Townley, M. A. (1986). The independent regulation of protein synthesis in the major ampullate glands of Araneus cavaticus Keyserling. Journal of Insect Physiology 32, 117-123.
123. Tolbert, W. W. (1975). Predator avoidance behaviors and web defensive structures in the orb weavers Argiope aurantia and Argiope trifasciata (Araneae, Araneidae). Psyche 82, 29-52.
124. Tso, I.-M. (1996). Stabilimentum of the garden spider Argiope trifasciata: a possible prey attractant. Animal Behaviour 52, 183-191.
125. Tso, I.-M. (1998a). Isolated spider web stabilimentum attracts insects. Behaviour 135, 311-319.
126. Tso, I.-M. (1998b). Stabilimentum-decorated webs spun by Cyclosa conica (Araneae, Araneidae) trapped more insects than undecorated webs. Journal of Arachnology 26, 101-105.
127. Tso, I.-M. (2004). The effect of food and silk reserve manipulation on decoration-building of Argiope aetheroides. Behaviour 141, 603-616.
128. Tso, I.-M., Chiang, S.-Y. & Blackledge, T. A. (2007). Does the giant wood spider Nephila pilipes respond to prey variation by altering web or silk properties? Ethology 113, 324-333.
129. Uhl, G. (2008). Size dependent occurrence of different types of web decorations and a barrier web in the tropical spider Argiope argentata (Fabricius 1775) (Araneae Araneidae). Tropical Zoology 21, 97-108.
130. Vollrath, F. & Knight, D. P. (2001). Liquid crystalline spinning of spider silk. Nature 410, 541-548.
131. Vollrath, F. & Porter, D. (2006). Spider silk as archetypal protein elastomer. Soft Matter 2, 377-385.
132. Walter, A. (2008). Are web stabilimenta attractive to praying mantids? Revista Ibérica de Aracnologia 15, 55-61.
133. Walter, A., Bliss, P., Elgar, M. A. & Moritz, R. F. A. (2009). Argiope bruennichi shows a drinking like behaviour in web hub decorations (Araneae, Araneidae). Journal of Ethology 27, 25-29.
134. Walter, A. & Elgar, M. A. (2011). Signals for damage control: web decorations in Argiope keyserlingi (Araneae, Araneidae). Behavioral Ecology & Sociobiology 65, 1909-1915.
135. Walter, A., Elgar, M. A., Bliss, P. & Moritz, R. F. A. (2008a). Moulting interferes with web decorating behaviour in Argiope keyserlingi (Araneae: Araneidae). Journal of Arachnology 36, 538-544.
136. Walter, A., Elgar, M. A., Bliss, P. & Moritz, R. F. A. (2008b). 'Wrap attack' activates web decorating behavior in Argiope spiders. Behavioral Ecology 19, 799-804.
137. Watanabe, T. (1999). Prey attraction as a possible function of the silk decoration of the uloborid spider Octonoba sybotides. Behavioral Ecology 10, 607-611.
138. Wiehle, H. (1927). Beiträge zur kenntnis des Radnetzbaues der Epeiriden, Tetragnathiden und Uloboriden. Zeitschrift für Morphologie und Ökologie der Tiere 8, 486-491.
139. Wiehle, H. (1928). Beiträge zur biologie der Araneen, insbesondere zur kenntnis des Radnetzbaues. Zeitschrift für Morphologie und Ökologie der Tiere 11, 116-124.
140. Williams, J. L., Moya-Laraño, J. & Wise, D. H. (2006). Burrow decorations as antipredatory devices. Behavioral Ecology 17, 586-590.
141. Zschokke, S. (2002). Ultraviolet reflectance of spiders and their webs. Journal of Arachnology 30, 256-254.
142. Zuk, M. (1991). Sexual ornaments as animal signals. Trends in Ecology and Evolution 6, 228-231.