Which spider has a violin-shaped mark on its cephalothorax region?

The spider with a violin-shaped mark on its cephalothorax region is the brown recluse. This characteristic is one of the key physical traits used to identify this species. The violin shape, often described as having a darker line running from the eyes to the back of the abdomen, distinguishes the brown recluse from other spiders.

In addition to its distinctive marking, the brown recluse is known for its typically light brown coloration and has six eyes arranged in pairs rather than the eight seen in most spiders. Understanding these characteristics is crucial, particularly for pest control professionals who may need to identify the presence of this spider, as its bite can cause significant dermatological issues and is medically significant.

Being able to accurately identify the brown recluse helps in implementing proper pest management strategies to minimize risks associated with its presence. Other spiders listed, such as the black widow, wolf spider, and yellow sac spider, have different markings or body shapes and do not exhibit the violin-shaped marking on their cephalothorax.