Family Linyphiidae - Sheetweb and Dwarf Spiders

Classification · Explanation of Names · Numbers · Identification · Range · Works Cited

Unknown spider sp - Drapetisca alteranda

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Chelicerata (Chelicerates)

Class Arachnida (Arachnids)

Order Araneae (Spiders)

Infraorder Araneomorphae (True Spiders)

No Taxon (Entelegynae)

Family Linyphiidae (Sheetweb and Dwarf Spiders)

Explanation of Names

Linyphiidae Blackwall 1859

Numbers

~4,700 spp. in >620 genera worldwide

Identification

separating Theridiidae from Linyphiidae(1)

Legs: Theridiidae have first legs usually longest, third legs shortest, and fourth legs usually with comb macrosetae (indistinct in Dipoena & Euryopis). Legs have no thick setae and no femoral macrosetae &bull Linyphiidae have legs long & thin with macrosetae (hairs in males somewhat reduced): long sensory hairs on the first three legs, sometimes on all four.

Abdomen in Theridiidae, usually round, rarely elongate; in Linyphiidae, usually oval or elongate

Range

Works Cited

1.	Spiders of North America: An Identification Manual D. Ubick, P. Paquin, P.E. Cushing and V. Roth (eds). 2005. American Arachnological Society.

2.	New genera and species of North American linyphiid spiders Chamberlin, R. V. & Ivie, W. . 1943. Bulletin of the University of Utah 33(10): 1-39.

3.	On the mainly Siberian spider genera Wubanoides, Parawubanoides gen.n. and Poeciloneta (Aranei Linyphiidae) Eskov, K. Y. & Marusik, Y. M. 1992. Arthropoda Selecta 1(1): 21-38.

4.	The spider genus Lepthyphantes in the United States. Zorsch, H. M. . 1937. American Midland Naturalist 18: 856-898.

5.	The spiders of Alaska Chamberlin, R. V. & Ivie, W. . 1947. Bulletin of the University of Utah 37(10): 1-103.

6.	Adult female

7.	Canadian spiders, II Emerton, J. H. 1915. Transactions of the Connecticut Academy of Arts and Sciences 20: 145-160.

8.	Spiders of the Raft River Mountains of Utah Chamberlin, R. V. & Ivie, W. 1933. Bulletin of the University of Utah 23(4): 1-79.

9.	On some American spiders of the family Erigonidae Chamberlin, R. V. . 1949. Annals of the Entomological Society of America 41: 483-562.

10.	Spiders of the Georgia region of North America Ralph Chamberlin & Wilton Ivie. 1944. Bulletin of the University of Utah 35(9):1-267.

11.	New North American spiders Chamberlin, R. V. 1925. Proceedings of the California Academy of Sciences (4) 14: 105-142.

12.	North American spiders of the genus Bathyphantes (Araneae, Linyphiidae) Ivie, W. . 1969. American Museum Novitates 2364: 1-70.

13.	Taxonomic revision of the spider genera Agyneta and Tennesseellum (Araneae, Linyphiidae) of North America north of Mexico with a Nadine Dupérré. 2013. Zootaxa 3674(1):1-198.

14.	Notes on Canadian arctic spiders (Araneida), mainly from Devon island, N.W.T. Leech, R. E. & Ryan, J. K. . 1972. The Canadian Entomologist 104: 1787-1791.

Contributed by Troy Bartlett on 16 February, 2004 - 1:20pm
Additional contributions by Lynette Elliott, v belov, Laura P.
Last updated 22 April, 2024 - 1:44pm

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