Talk:Zygoballus rufipes

Original descriptions

Zygoballus rufipes sp. nov.

Male. Total length 4 mm. Width of abdomen 1.3 mm.
Cephalothorax: length 2 mm; width 1.6 mm; height 1.2 mm.
Legs 6.4, 3.8, 3.5, 5.1. Pat.+ tib. I 3; pat. + tib. III 1.3, pat. + tib. IV 2.1; metat. + tar. IV 1.7. Coxa + trochanter I 1.4; coxa + trochanter II 0.8.

The coxae and trochanters of the first pair are visible from above. When looked at from above, at the inner edge, near the base of each falx, there is seen a long vertical horn. Looked at from below there is seen, coming off from the under part of each falx opposite the horn, a curved apophysis.

Coloration. The cephalothorax, abdomen, clypeus, sternum, and venter are jet black. The legs are light brownish red above; below, the first pair (with the coxae), is brown; the second, third and fourth pairs (with the coxae), pale, with the exception of a black longitudinal line, which is visible from below, on the anterior side of each leg. The other parts are all reddish brown.

Habitat. Guatemala.

Zygoballus bettini nov. sp.

Male. Total length 4.2 mm. Width of abdomen 1.7 mm.
Cephalothorax: length 1.8; width 1.3; height 1.3.
Legs 4.9, 3.3, 3, 4.4.

Female. Total length 4.4 mm. Width of abdomen 2 mm.
Cephalothorax: length 1.8; width 1.4; height 1.1.
Legs 4.4, 3.2, 3, 4.5.

Clypeus inclined backward. Falces (male) nearly as wide as first row of eyes, twice as long as face, inclined forward, diverging; fang long; (female) extending only to inner edges of lateral eyes; one and one-half times as long as face, vertical, parallel; fang small. Maxillae (male) widest in middle, blunt at tip, cut obliquely on inner side; (female) a little widest at extremity, rounded. Labium one-half as long as maxillae, (male) longer than wide, (female) as wide as long. Legs without patellary spines, excepting one on the first leg, (male) coxae and trochanter of the first elongated.

Coloration: Male. Cephalothorax bronze brown; eye region covered with reddish gold metallic scales; anterior faces of falces, clypeus and sides of cephalothorax as far back as second row of eyes, covered with white scale-like hairs. Abdomen bronze, with a silvery white band passing around base and downward onto the sides; a second white band, on each side, curves over the side from the upper to the under surface, and on the posterior dorsum are two more short curved white bands, these last being semi-circular in form. Mouthparts, sternum and venter brown. First leg with elongated coxa and trochanter, as well as the femur, dark mahogany color; the other joints and all the other legs yellowish white.

Female. Cephalothorax bronze brown with metallic scales on eye region as in male. Anterior eyes surrounded by rings of reddish yellow hair. Abdomen brown; a white band passes around the base and extends on to the sides; beyond the termination of this are two short white bars on each side; on the anterior half of the dorsum is a wide longitudinal band composed of reddish golden scales; the posterior edge of this band is notched. Behind the band are two chevrons of the same scales, and two short bands, one on each side of the spinnerets; two black spots are found in front of the first, and two more behind the second chevron. Femur of the first leg mahogany color; other joints and all the other legs white with some dark rings and spots.

Habitat: Wisconsin, Missouri, Georgia, Florida.

Distribution for original Z. rufipes

Peckhams (1885) list Guatemala. Cambridge (1897–1905) lists Mexico and Guatemala. Peckhams (1909) mention Mexico and Texas. Kaldari (talk) 23:45, 17 March 2010 (UTC)

File:Kaldari Zygoballus rufipes female 02.jpg to appear as POTD

Hello! This is a note to let the editors of this article know that File:Kaldari Zygoballus rufipes female 02.jpg will be appearing as picture of the day on October 20, 2014. You can view and edit the POTD blurb at Template:POTD/2014-10-20. If this article needs any attention or maintenance, it would be preferable if that could be done before its appearance on the Main Page. Thanks! — Crisco 1492 (talk) 03:26, 29 September 2014 (UTC)

Picture of the day

A female Zygoballus rufipes, a species of jumping spider found from Central America through Canada. First described in 1885 by George and Elizabeth Peckham, there were initially thought to be two species (Z. bettini to the north and Z. rufipes to the south), but they have since been synonymized.Photograph: Ryan Kaldari

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