Hibana incursa

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Current valid name

Hibana incursa (Chamberlin) (family Anyphaenidae)

Recognition and diagnostic features

Pale with faint stripes on cephalothorax.

Related or similar species

Anyphaena pacifica

Spider

Body lengths when mature: male: 5.5 - 6.1 mm, female: 5.7 - 7.0 mm

Immatures resemble miniature adults.

Egg sac

Description: white silk, retreat sac with female inside guarding eggs, 10.6 ± 6.6 mm wide, 19.9 ± 19.0 mm long

Number of eggs per sac: 73.0 ± 33.9

Size of egg: 0.78 ± 0.065 mm

Distribution

In California: most of California except northern counties

Elsewhere: southern tip of Nevada, southern Arizona, Big Bend area of Texas, Central America

Native to North America

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

Biology

Nocturnal hunting spider. Makes egg sacs in leaves and other surfaces, guards egg sac. Males are collected from late April to early September, females are collected year round. Found in homes, in field, and on citrus.

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: large enough to bite but no recorded bites

Common name

None for species, ghost spiders for family

Taxonomic history

Several early synonyms, recently transferred from Aysha to Hibana.

Commonly encountered synonyms

Aysha incursa

Selected references

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