Anyphaena pacifica

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Current valid name

Anyphaena pacifica (Banks) (family Anyphaenidae)

Recognition and diagnostic features

In life, pale coloration overall with faint stripes on cephalothorax.

Related or similar species

In life, pale coloration overall with faint stripes on cephalothorax.

Spider

Body lengths when mature: male: 5.2 mm, female: 5.4

Immatures resemble miniature adults.

Egg sac

No egg or egg sac information is available for this species

Distribution

In California: throughout the state

Elsewhere: western United States and Canada from the Rocky Mountains to the Pacific Ocean

Native to North America

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

Biology

In California: throughout the state

Elsewhere: western United States and Canada from the Rocky Mountains to the Pacific Ocean

Native to North America

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

Status in table grapes

Level of Incidence: very 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: large enough to bite but no recorded bites

Common name

None for species, ghost spiders for family

Taxonomic history

Several early synonyms, stable after 1950.

Selected references

Platnick, N. I. 1974. The spider family Anyphaenidae in America north of Mexico. Bull. Mus. Comp. Zool. 146: 205-266.