Theridiidae, also known as the tangle-web spiders, cobweb spiders and comb-footed spiders, is a large family of araneomorph spiders first described by Carl Jakob Sundevall in 1833. This diverse, globally distributed family includes over 3,000 species in 124 genera, and is the most common arthropod found in human dwellings throughout the world.
The spider genus Steatoda, in the family Theridiidae, includes about 120 recognized species, distributed around the world. One common name is cupboard spider, for many species build their webs in dark, sheltered, undisturbed places around the house or garden, in sheds and garages, under garden, in compost bins, and the like. Signs of the cupboard spider include small white spots of spider droppings, like small splashes of paint, on the floor underneath the web.
The triangulate cobweb spider is a common spider in the genus Steatoda. It is well known for the triangle-shaped pattern on the dorsal side of its abdomen.
Syarinidae is a family of pseudoscorpions in the order Pseudoscorpiones. There are at least 20 genera and 110 described species in Syarinidae.
Steatoda borealis is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.
Microbisium is a genus of pseudoscorpions in the family Neobisiidae. There are about 12 described species in Microbisium.
Deferunda is a genus of achilid planthoppers in the family Achilidae. There are about 13 described species in Deferunda.
Sikaiana is a genus of derbid planthoppers in the family Derbidae. There are about 17 described species in Sikaiana.
Baryphyma trifrons is a species of dwarf spider in the family Linyphiidae. It is found in North America, Europe, the Caucasus, and in a range from Russian Europe to the Far East).
Spintharus flavidus is a species of cobweb spider in the family Theridiidae. It is found in a range from the United States to Bolivia and Brazil.
Steatoda variata is a species of cobweb spider in the family Theridiidae. It is found in the United States and Mexico.
Coleosoma floridanum is a species of cobweb spider in the family Theridiidae. It is found in North, Central and South America, has been introduced into Europe, Macaronesia, West Africa, the Seychelles, and the Pacific Islands.
Crustulina altera is a species of cobweb spider in the family Theridiidae. It is found in the United States.
Steatoda grandis is a species of cobweb spider in the family Theridiidae. It is found in the United States.
Crustulina sticta is a species of cobweb spider in the family Theridiidae. It is found in North America, Europe, Turkey, Caucasus, a range from Russia, Kazakhstan, China, Korea, and Japan.
Steatoda punctulata is a species of cobweb spider in the family Theridiidae. It is found in the United States and Mexico.
Steatoda palomara is a species of cobweb spider in the family Theridiidae. It is found in the United States.
Steatoda hespera is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.
Steatoda erigoniformis is a species of cobweb spider in the family Theridiidae. It is found in a range from the East Mediterranean to the Near East, Caucasus, China, Korea, Japan, and has been introduced into the Caribbean.
Steatoda paykulliana is a species of false black widow spider in the tangle-web spiders family, native to the Mediterranean countries, Southern Europe and Western Asia. The species is named in honor of the Swedish naturalist Gustaf von Paykull (1757–1826).
