| Nesticus silvestrii | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Nesticidae |
| Genus: | Nesticus |
| Species: | N. silvestrii |
| Binomial name | |
| Nesticus silvestrii Fage, 1929 | |
Nesticus silvestrii is a scaffold web spiders species in the genus Nesticus found in the United States.
Scaffold web spiders (Nesticidae) is a family of araneomorph spiders closely allied with tangle web spiders. Like the "Theridiidae", these spiders have a comb of serrated bristles on the hind tarsi that are used to pull silk bands from the spinnerets. It contains 16 genera and about 300 species, many of which are associated with caves or overhangs. The genus Nesticus is the type for the family and is found throughout the world. The related Eidmannella has speciated considerably in Texas caves and includes some extremely localized species that are considered threatened. One species, Eidmannella pallida, is found in caves and under overhangs, but also in agricultural fields and other habitats away from such restricted areas. The genus Carpathonesticus is found in central Eurasia.
Raccoon Mountain Caverns is a cave located in Chattanooga, Tennessee in a band of Mississippian Period limestone, part of the Cumberland Plateau.
Ivesia is a genus of flowering plants in the rose family known generally as mousetails. They are perennial herbs native to western North America, especially the western United States. Plants of this genus are sometimes treated as members of genus Potentilla.
Nesticus is a genus of American and Eurasian scaffold web spiders first described by Tamerlan Thorell in 1869.
Nesticus constantinescui is a species of araneomorph spider of the family Nesticidae. It is endemic to Romania.
Nesticus nasicus is a species of cave cobweb spider in the family Nesticidae. It is found in the United States.
Aituaria is a genus of spiders in the family Nesticidae. It was first described in 1998 by Esyunin & Efimik. As of 2016, it contains two species, Aituaria nataliae and Aituaria pontica, the latter of which was transferred from Nesticus first to Carpathonesticus, then to Aituaria.
Kryptonesticus is a genus of European scaffold web spiders first described by Pavlek & Ribera in 2017. All but the type species were transferred from Nesticus. With the exception of K. eremita, individual species have very restricted ranges.
Speleoticus is a spider genus in the family Nesticidae. Its species are found in Japan and China.
Carpathonesticus borutzkyi is a species of araneomorph spider of the family Nesticidae. It occurs in Russia, Georgia, Turkey and Ukraine and is found in caves.
Carpathonesticus cibiniensis is an araneomorph spider species of the family Nesticidae. It occurs in Romania, where it can be found in the cellars of old houses.
Domitius menozzii is an araneomorph spider species of the family Nesticidae. It occurs in Italy, where it can be found in caves. It was described by Ludovico di Caporiacco in 1934.
Carpathonesticus racovitzai is an araneomorph spider species of the family Nesticidae. It occurs in Romania, where it can be found both in caves and outdoors. It was transferred from the genus Nesticus to Carpathonesticus in 1982 by Weiss and Heimer.
Carpathonesticus simoni is an araneomorph spider species of the family Nesticidae. It occurs in Romania, where it can be found in caves. It was transferred from the genus Nesticus to Carpathonesticus in 1980 by Lehtinen and Saaristo.
Carpathonesticus spelaeus is an araneomorph spider species of the family Nesticidae. It occurs in Romania, where it can be found in caves and outdoors under calcareous blocks. It was transferred from the genus Nesticus to Carpathonesticus in 1980 by Lehtinen and Saaristo.
Carpathonesticus zaitzevi is an araneomorph spider species of the family Nesticidae that occurs in Georgia. It was transferred from the genus Nesticus to Carpathonesticus in 1996.
Nesticus barri is a species of true spider in the family Nesticidae. It is found in the United States.
Nesticus furtivus, the Crystal Caverns cave spider, is a species of true spider in the family Nesticidae. It is found only in Raccoon Mountain Caverns, formerly Crystal Caverns, a commercial cave in Chattanooga, Tennessee, United States.
Domitius beaticus is an araneomorph spider species of the family Nesticidae. It is known to occur in Spain. The species is troglobitic, occurring solely in caves.
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