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Genus Hypsosinga

spider - Hypsosinga funebris Steatoda? - Hypsosinga rubens Hypsosinga rubens - female Beautiful red spider, black legs - Hypsosinga rubens Hypsosinga rubens - female Hypsosinga? - Hypsosinga rubens bug, small, roundish - Hypsosinga funebris Small, darker orange spider is? - Hypsosinga - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Araneidae (Orb Weavers)
Genus Hypsosinga
Explanation of Names
Hypsosinga have a higher clypeus than Singa, so "hypso" (Greek for "high") is added to make "high Singa."
5 spp. n. of Mex.
small; body length about 5mm or less
Separating based on field markings
H. pygmaea - abdomen black to yellow with 4 white spots, seldom with two black bands
H. groenlandica -
H. alberta -
H. rubens - look for more black around the eyes than funebris, sometimes banded legs
H. funebris - look for longitudinal lines on the legs, males have first tibiae swollen at the proximal end
Hypsosinga alberta Levi, 1972: northern British Columbia, south to central Saskatchewan.(1)
Hypsosinga funebris (Keyserling, 1892): central Alberta to southern Maine, south to California, Texas, and Florida.(1)
Hypsosinga groenlandica Simon, 1889: Yukon Territory and western Northwest Territories to Greenland, south to southern British Columbia and Quebec.(1)
Hypsosinga pygmaea (Sundevall, 1831): Alaska to Newfoundland, south to Washington, Colorado, southern Illinois, and Florida.(1) (So basically everywhere in N. America except the southwestern quadrant of the USA)
Hypsosinga rubens (Hentz, 1847): western Northwest Territories to Newfoundland, south to eastern Texas and Florida.(1)
Information on dorsal sclerites(1)
H. pygmaea - no mention of sclerites
H. groenlandica - male weak sclerite, female no sclerite
H. alberta - male weak sclerite, female no sclerite
H. rubens - no mention of sclerites
H. funebris - male with weak sclerite, female no sclerite
Print References
Dondale, C.D., J.H. Redner, P. Paquin & H.W. Levi, 2003. The insects and arachnids of Canada. Part 23: The orb-weaving spiders of Canada and Alaska (Araneae: Uloboridae, Tetragnathidae, Araneidae, Theridiosomatidae). NRC Research Press, Ottawa. 371 pp.
Levi, H.W., 1972. The orb-weaver genera Singa and Hypsosinga in America (Araneae: Araneidae). Psyche, Camb. 78: 229-256. [Available online in PDF format here (~7.6 MB)]
Works Cited
1.The Orb-weaving Spiders of Canada and Alaska - The Insects and Arachnids of Canada Part 23
Dondale, C.D., J.H. Redner, P, Paquin and H.W. Levi. 2003. NRC Research Press.