. The common spiders of the United States. Spiders -- United States. THE THOMISID/E 33 Xysticus triguttatus. — This is a small and very common spider living on grass and low bushes. The female is about a fifth of an inch long and the male as large but with a smaller abdomen. The difference in the color of the sexes is so great that they may easily be mistaken for different species. The females (fig. 95) are straw-colored, the abdomen almost white, and the thorax and legs brownish yellow. There are three black spots at the back of the thorax and indistinct darker bands at the sides. On the abdo
. The common spiders of the United States. Spiders -- United States. THE THOMISID/E 33 Xysticus triguttatus. — This is a small and very common spider living on grass and low bushes. The female is about a fifth of an inch long and the male as large but with a smaller abdomen. The difference in the color of the sexes is so great that they may easily be mistaken for different species. The females (fig. 95) are straw-colored, the abdomen almost white, and the thorax and legs brownish yellow. There are three black spots at the back of the thorax and indistinct darker bands at the sides. On the abdomen are two black spots near the front end and three pairs of broken transverse stripes be'hind. The male (fig. 96) has the femora of the two front legs dark brown, the rest like the female or a little darker. The thorax is dark brown, except in the middle, where it is a little lighter, as in the female. The abdomen of the male is strongly marked with transverse black and white stripes, irregular toward the front end. Xysticus quadrilineatus. — Quarter of an Fig. 98. Xysticus quadriline- 1 1 .1 ,1 <-^^*-U ^f n^ atus, enlarged four times. inch long, with the thorax a tenth ot an s inch wide and the head unusually wide in front. The color is light yellow, with light brown markings and black spots. The cephalothorax has four narrow brown stripes, one on each side. 97 Xysticus triguttatus. 96, male. Both en- larged four times. 97, front of head much enlarged to show eyes and mandibles. Figs. 95, 96,97 — 95, female. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Emerton, J. H. (James Henry), 1847-1930. Boston, London, Ginn & Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectspiders, bookyear1902
