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Species Ostearius melanopygius

male spider - Ostearius melanopygius - male male spider - Ostearius melanopygius - male male spider - Ostearius melanopygius - male male spider - Ostearius melanopygius - male
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)
Subfamily Linyphiinae (Sheetweb Spiders)
Genus Ostearius
Species melanopygius (Ostearius melanopygius)
Explanation of Names
Author of name: O. P.-Cambridge. First year published: 1879, as Linyphia melanopygia.(1)
Size
Small spiders; body length (excluding legs) 1.5 - 2.6 millimeters.
Identification
Abdomen pink, reddish, or (rarely) brown and with spinnerets and very tip of abdomen all black.(2)(3)
Adult males have a small, conical, tooth-like projection on the front of each chelicera.(2)(3)
Range
A world-wide, cosmopolitan species; in North America, so far collected from the northeast(4) and California(5).
Internet References
Czech Spiders Website - Images
Spiders of Belgium & France - Images
Works Cited
1.The World Spider Catalog by Norman I. Platnick
2. Collins Field Guide: Spiders of Britain & Northern Europe
Michael J. Roberts. 1996. Harper Collins, London, 383 pp.
3.Results of the Yale Peruvian Expedition of 1911. The Arachnida.
Ralph Chamberlin. 1916. Bulletin of the Museum of Comparative Zoology Harvard 60: 177-299.
4.Spiders of North America: An Identification Manual
D. Ubick, P. Paquin, P.E. Cushing and V. Roth (eds). 2005. American Arachnological Society.
5.Spiders of California