Lorraine Bennery / Spinybacked orb weaver spider (Gasteracantha sp.) Andasibe-Mantadia National Park, Madagascar, November.
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Chris Mattison / Thorn-back spider (Gasteracantha cancriformis) on white background, Costa Rica.
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Chris Mattison / Spiny-back spider (Gasteracantha cancriformis) egg sac Costa Rica. Focus-stacked image.
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Tim Laman / Spiny-backed orb-weaver spider (Gasteracantha sp) on rainforest leaf in Gunung Palung National Park, Borneo, West Kalimantan, Indonesia
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Tim Laman / Spiny backed spider (Gasteracatha sp) on dew covered web, Tari Valley vicinity, Southern Highlands Province, Papua New Guinea
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Tim Laman / Spiny-backed Orb-weaver (Gasteracantha sp) spider in the rainforest, Sierra Madre National Park, Luzon, Philippines, September
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Emanuele Biggi / Thorn spider (Gasteracantha versicolor formosa) hanging down from its web under a tree in the forest, Ranomafana National Park, Madagascar.