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Morphology
Physical Description
The color varies from a dirty white to almost black. The cephalothorax is yellow brown and the legs are light yellow with brown or gray rings at the ends and middle of the joints. The abdomen is high in the front and narrow toward the spinnerets. In dark specimens the abdomen has six transverse black marks that curve upward and are thicker in the middle. The marks are connected by black spots at the ends and they are bordered by a silvery white line. The upper white mark often forms a white spot in the center of the abdomen. These marking are smaller and less defined in lighter species.
The females usually range from 5 to 6 mm long. Their first pair of legs are almost three times the length of the whole body. The legs are yellow with dusty annuli at the ends of each segment.
The males are smaller than the females and range from 3.8 to 4.7 mm in length. However, they have longer legs which are orange-brown and darker at the joints. (Emerton 1902; Kaston 1972) (Emerton, 1902; Kaston, 1972)
- Emerton, J. 1902. Common Spiders. Boston: Ginn & Company.
- Kaston, B. 1972. How To Know the Spiders. Dubuque, Iowa: Wm. C. Brown Company Publishers.
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