Oxyopes scalaris

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Current valid name

Oxyopes scalaris Hentz (family Oxyopidae)

Recognition and diagnostic features

Six of its eyes in hexagon pattern on top of the cephalic region with remaining 2 smaller eyes anterior. Many leg spines perpendicular to leg. Body coloration should be sufficient for identification. Can be confused with Oxyopes salticus, might be confused with jumping spiders because of compact body form, might be confused with Mimetus hesperus due to large number of leg spines.

Related or similar species

Oxyopes salticus, Mimetus hesperus, jumping spiders

Spider

Body lengths when mature: male: 5.5 mm range (4.7 - 6.1), female: 6.9 mm (range 5.8 - 9.6)

Immatures resemble miniature adults.

Egg sac

Description: fastened to several pieces of foliage with silk lines

Number of eggs per sac: Brady (1964) lists one egg sac with 45 eggs

Distribution

In California: throughout state

Elsewhere: predominantly Rocky Mountains westward with scattered finds throughout the eastern half of the U.S.

Native to North America

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

Biology

Diurnal hunting spider with good vision and will respond to human movement. Matures collected in March to May.

Status in table grapes

Level of Incidence: moderately common

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

Western lynx spider for species, lynx spiders for family

Taxonomic history

Stable

Selected references

Brady, A. R. 1964. The lynx spiders of North America, north of Mexico (Araneae: Oxyopidae). Bull. Mus. Comp. Zool. 131: 431-518.