Habronattus formosus
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adult female, live; anterior view |
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adult female, live; dorsal view |
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adult male, live; anterior view (note diagnostic face features) |
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adult male, live; dorsal view |
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female genitalia; epigynum |
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male genitalia; palp, lateral view |
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male genitalia; palp, ventral view |
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grape size comparison with adult spiders; male (left), female (right) |
Current valid name
Habronattus formosus (Banks) (family Salticidae)
Recognition and diagnostic features
Males have diagnostic dark space under each anterior medial eye. Females are generically colored and will look similar to many other female jumping spiders.
Related or similar species
For females, Habronattus pyrrithrix, possibly females of Sitticus dorsatus
Spider
Range of body lengths when mature: male: 4.0 - 7.5 mm, female: 4.5 - 8.0
Immatures probably look similar to females.
Egg sac
Time of year eggs are likely to be laid: August - September
Distribution
In California: Central Valley south to Mexico, but not coastal
Elsewhere: nowhere else
Native to North America
This species has not been transported or become established outside of its range.
Biology
Solitary hunting spider. Found most often on ground or crawling on grape vine bark.
Status in table grapes
Level of incidence: uncommon
Level of Concern in New Zealand: WPNZ (May 2010) nr, BORIC (Dec 2011) nr (not listed), MAF-BPRA (2002) nr (coding definition)
Level of Concern in Australia: WPAU (2006) nr (coding definition)
Level of medical importance: none
Common name
None for species, jumping spiders for family
Taxonomic history
Stable
Selected references
Griswold, C. E. 1984. A revision of the jumping spider genus Habronattus F. O. P. -Cambridge (Araneae; Salticidae), with phenetic and cladistic analyses. Univ. Calif. Publ. Entomology 107: 1-344.
