uloborid spider
Quick Summary
Uloborid spiders belong to the family Uloboridae. These spiders are characterized by the presence of a cribellum and calamistrum, and they spin orb webs to catch their prey. A notable feature of uloborid spiders is their complete absence of venom glands, distinguishing them from most other spider families. They possess three tarsal claws and their eyes are arranged in three rows. The genus Uloborus is the type genus for this family.1234
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spiderSpiderwebsSpiders of the family Uloboridae build a web of woolly (cribellate) ensnaring silk. One group within this family (genus Hyptiotes) weaves only a partial orb. The spider, attached by a thread to vegetation, holds one thread from the tip of the hub until an insect brushes the web. The…
Read MoreSpiders of the family Uloboridae build a web of woolly (cribellate) ensnaring silk. One group within this family (genus Hyptiotes) weaves only a partial orb. The spider, attached by a thread to vegetation, holds one thread from the tip of the hub until an insect brushes the web. The…
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…are absent in the family Uloboridae. The glands are located either in the chelicerae or under the carapace. The venom ducts extend through the chelicerae and open near the tips of the fangs. Venom glands probably originated as accessory digestive glands whose secretions aided in the external digestion of prey.…
Read More…are absent in the family Uloboridae. The glands are located either in the chelicerae or under the carapace. The venom ducts extend through the chelicerae and open near the tips of the fangs. Venom glands probably originated as accessory digestive glands whose secretions aided in the external digestion of prey.…
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