Answer: A. Brown recluse spider
Explanation:
The brown recluse spiders are 0.5 inches long. These are dark violin shaped wound found on the head and midsection. The bite caused by these spiders includes symptoms like reddened skin, blister, pain and itching. The effect of bite remains for 2 to 8 hours. Usually an open sore ulcer develops due to the breakdown of the tissue or necrosis.