. The common spiders of the United States. Spiders. 54 THE COMMON SPIDERS slender in both sexes, and in the male the palpal organs are small for so large a spider. The mandibles of the male are widened at the end and have a strong projection with two teeth on the inner corners. Dendryphantes aestivalis. — One of the most common Attidae, on all kinds of bushes and small trees, and one of the most variable in size and \ color. Large females are from a fifth to a quarter of an inch long, and the males are smaller. The females are of two varieties, which run into each other. The light variety (fig
. The common spiders of the United States. Spiders. 54 THE COMMON SPIDERS slender in both sexes, and in the male the palpal organs are small for so large a spider. The mandibles of the male are widened at the end and have a strong projection with two teeth on the inner corners. Dendryphantes aestivalis. — One of the most common Attidae, on all kinds of bushes and small trees, and one of the most variable in size and \ color. Large females are from a fifth to a quarter of an inch long, and the males are smaller. The females are of two varieties, which run into each other. The light variety (fig. 144) has the light parts white or light yellow and the dark parts dark brown covered with white hairs and scales. The cephalothorax is dark brown, thinly covered with scales, so that the dark color shows between them in places. The legs are light yellow and translu- cent, indistinctly ringed with brown at the base and, near the tip of each joint, all covered with greenish white hairs. The palpi are light and without rings except on the femur and patella. The of female. All enlarged abdomcn is brighter yellow than the six times. • 1 r • r 1 • 1 i thorax, with tour pairs or purplish brown spots, the second pair largest, connected with a paler brown mid- dle marking. The abdomen has beneath a purple brown stripe in the middle and oblique brown marks at the sides. Sternum, maxillae, and mandibles light brown. The dark. Figs. 142, 143, 144. Dendry- phantes aestivalis. — 142, male. 143, dark variety of female. 144, light variety. 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
Size: 1121px × 2230px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectspiders, bookyear1902
