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Species Menemerus bivittatus - Gray Wall Jumper

UID SPIDER - Menemerus bivittatus Gray Wall Jumpers - Menemerus bivittatus - male - female Menemerus bivittatus - male Strange Jumping Spider - Menemerus bivittatus Jumping spider on a concrete wall. - Menemerus bivittatus Salticid - Menemerus bivittatus Jumper with another spider - Menemerus bivittatus - female Jumping spider - Menemerus bivittatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Salticidae (Jumping Spiders)
Genus Menemerus
Species bivittatus (Gray Wall Jumper)
Other Common Names
Gray Wall Jumper
men-eh-MAIR-us by-vih-TAY-us
Synonyms and other taxonomic changes
Explanation of Names
Author of name: Léon Jean Marie Dufour. First year published: 1831, as Salticus bivittatus.
Body length of adult females approx. 7-10mm; of adult males approx. 5-9mm.
Female & Male together
A pantropical species whose North American range is North Carolina south to Florida and west across the southern states to California. (Collections localities also include records for West Virginia and Minnesota, however those were not established populations.)
In the U.S., most commonly found on the exterior walls of buildings during the day.
All year round, though more noticeable in spring and summer.
Life Cycle
Lens-shaped egg sac with approx. 25-40 eggs inside.
Non-native, likely introduced from the Old World tropics.
See Also
Print References
-Barnes, R. D., 1958. North American jumping spiders of the subfamily Marpissinae (Araneae, Salticidae). Am. Mus. Novit. 1867: 1-50.(1)
-Kaston, B. J., 1978. How to Know the Spiders. WCB/McGraw-Hill. 1-272. (2)
Internet References
U. of Florida by GB Edwards
Youtube male and female on video
Works Cited
1.North American jumping spiders of the subfamily Marpissinae (Araneae, Salticidae)
R.D. Barnes. 1958. American Museum novitates no. 1867, 50 pp.
2.How to Know the Spiders
B. J. Kaston. 1978. WCB/McGraw-Hill.