Habronattus pyrrithrix

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Current valid name

Habronattus pyrrithrix (Chamberlin) (family Salticidae)

Recognition and diagnostic features

Males have bright red coloration below the eyes and brilliant coloration elsewhere. Females are drab and are very difficult to identify to species (a common problem for the entire genus).

Related or similar species

For females, Habronattus formosus

Spider

Range of body lengths when mature: male: 4.0 - 5.0 mm, female: 5.0 - 8.0

Immatures probably look similar to females. Penultimate males have red clypeus and dorsal abdominal pattern but lack leg ornamentation.

Egg sac

No egg or egg sac information is available for this species.

Distribution

In California: southern portion of state around Los Angeles County, San Diego, and Imperial counties

Elsewhere: Arizona, Baja California, western coast of Mexico

Native to North America

This species has not been transported or become established outside of its range.

Biology

Jumping spider that can be found on the grape vines and on the ground.

Status in table grapes

Level of Incidence: rare

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 spider for family

Taxonomic history

Relatively 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.