cobweb weaver

:  comb-footed spider Cobwebs are a sign that web-building spiders of the family Theridiidae, more commonly called comb-footed spiders, or cobweb weavers, have invaded the house. — Victoria Dickenson and Jeff Harrison, The Ottawa (Ontario) Citizen, 10 Oct. 1993 He told me that cobweb spiders (and a few of their relatives) hurl huge droplets of sticky silk to attack their prey. — Sue Hubbell, Smithsonian, May 1996