Scotinella redempta
| Scotinella redempta | |
|---|---|
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| Scotinella redempta female specimen | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Phrurolithidae |
| Genus: | Scotinella |
| Species: | S. redempta
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| Binomial name | |
| Scotinella redempta Gertsch, 1941
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| Synonyms[1] | |
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Scotinella redempta is a species of true spider in the family Phrurolithidae,[1] found in the eastern United States and Canada. It has a reddish-brown cephalothorax, and an abdomen with alternating patterns of light and dark spots and stripes.[2] While little is known about the species biology, it is associated with deciduous forests, where it is most commonly found through sifting leaf litter.[3]
Taxonomy
[edit]Scotinella redempta was originally misidentified in 1930 as the species Scotinella similis (then Phrurolithus similis) by Willis J. Gertsch.[4] He later discovered this error and described it as Phrurolithus redemptus in 1941.[5] The species was eventually transferred to the genus Scotinella, and the specific epithet was consequently altered to agree with the gender of the genus.[2]
Description
[edit]
Scotinella redempta is a small spider, with males averaging 2.13 mm in length and females 2.35 mm in length. The carapace is reddish-brown, with faint traces of radiating dark marks. The sternum is brownish orange. The abdomen is dark grey, with two light spots near the anterior end, a W-shaped marking near the middle, and four thinner light markings on the posterior end. Like many species in the family Phrurolithidae, the first two pairs of legs possess prominent spines.[2]
Scotinella redempta can most easily be identified through inspection of the genitalia. Males can be identified by the presence of a sharp, outwards-directing projection at the base of the retrolateral tibial apophysis, in combination with a small, straight and abruptly narrowed embolus. Females can be identified by the combination of small, closely spaced copulatory openings situated at the center of the epigynum, and by large, ovoid spermathecae.[2]
References
[edit]- ^ a b "Scotinella redempta (Gertsch, 1941)". World Spider Catalog. Version 25.5. Natural History Museum Bern. doi:10.24436/2. Retrieved 2024-12-13.
- ^ a b c d Platnick, Norman I.; Chamé-Vázquez, David (2024-03-22). "The Guardstone Spiders of the genus Scotinella (Araneae: Phrurolithidae) in the Southeastern United States". Zootaxa. 5428 (3): 301–350. doi:10.11646/zootaxa.5428.3.1. ISSN 1175-5334.
- ^ Dondale, Charles D.; Redner, James H. (1982). The sac spiders of Canada and Alaska: Araneae: Clubionidae and Anyphaendiae. The insects and arachnids of Canada. Ottawa: Canadian Govt. Publ. Centre. ISBN 978-0-660-11146-9.
- ^ Chamberlain, R. V.; Gertsch, W. J. (1930). "On fifteen new North American spiders". Proceedings of the Biological Society of Washington. 43: 137–144.
- ^ Gertsch, W. J. (1941). "New American spiders of the family Clubionidae". American Museum Novitates. 1147: 1–20.