An adult female, including. The spiney ridges on females are believed to ward off predators, though.
Arrowshaped micrathena spider identifying
Arrowshaped micrathena spider identifying colors red; yellow; black; orange; white. The adult female red back is about cm long, quite black, with a distinctive red stripe on.
The upper side
The upper side of the abdomen usually has a broad red stripe, while the underneath always has an. Feb funnel web; red back; white tail; other spiders. The back of the abdomen is usually entirely black, but may be marked with a broken stripe of white, red, or yellow spots. It is a large cm, black, aggressive, ugly looking spider with massive fangs. A female redback spider black and white illustration. The bite of the widow spider causes little immediate pain and may go unnoticed.