1. When prolapsed tissues are edematous and necrotic , amputation is performed. 2. Diseases associated with this genus include : necrotic lesions on leaves. 3. However, a small number of bites produce necrotic skin lesions. 4. In alfalfa symptoms include chlorotic cotyledons which may eventually become necrotic . 5. Splints may be sued to protect sites of exposed necrotic bone. 6. The bites cause the surrounding tissue to die and become necrotic . 7. Numerous other spiders have been associated with necrotic bites in medical literature. 8. Repeat explorations usually need to be done to remove additional necrotic tissue. 9. Treatment also includes surgical drainage of abscesses and excision of necrotic tissue. 10. Myonecrosis is a condition of necrotic damage, specific to muscle tissue.