The green lynx spider is a common arachnid found across the southern United States, Mexico, and Central America. Often encountered in gardens, these vibrant spiders raise questions about their potential danger. This article provides clear information on their identification, venom, and appropriate responses to a bite.
Identifying Green Lynx Spiders
Green lynx spiders (Peucetia viridans) are large, striking arachnids recognized by their bright, translucent green bodies. Females can reach up to 22 millimeters (0.87 inches) in body length, while males are smaller, averaging 12 millimeters (0.47 inches). Their long, slender legs are pale green to yellow, adorned with black spines and numerous black spots. Some individuals may also display red spots or diagonal silver markings on their abdomen, and a red patch can be seen between their eyes.
These spiders do not construct webs to capture prey. Instead, they are active diurnal hunters. They are found on low shrubs, herbaceous plants, and flowers, where their green coloration provides effective camouflage. Their hunting style involves ambushing insects, pouncing on them in a cat-like manner, which earned them the “lynx” name.
Understanding Green Lynx Spider Venom
Green lynx spiders are venomous, like most spider species, but their venom is not medically significant to humans. Their primary use for venom is to subdue the insect prey they hunt, including moths, flies, bees, and grasshoppers. The venom’s composition causes only localized, temporary symptoms in humans.
While a bite can be painful, it is compared to a bee sting. Bites are rare and occur only when the spider feels directly threatened, such as when accidentally handled or if a female is guarding her egg sac. Green lynx spiders are not aggressive towards humans and will attempt to flee if disturbed. They can spit venom, sometimes up to 8 inches, which can cause temporary irritation, particularly if it contacts the eyes.
Responding to a Green Lynx Spider Bite
If a green lynx spider bite occurs, symptoms are mild and localized. Individuals may experience immediate pain, followed by localized redness, swelling, and itching at the bite site. These reactions are minor and resolve within a few days without serious complications. In some documented cases, swelling around the bite has ranged from 25 millimeters (one inch) to 20 centimeters (8 inches) in diameter.
For first aid, clean the bite area with mild soap and water. Applying a cool compress or ice pack to the affected area for 15 minutes each hour can help reduce pain and swelling. Over-the-counter pain relievers can alleviate discomfort, and an antihistamine might help with itching. Monitor the bite for signs of worsening symptoms or infection, such as increasing redness, warmth, pus, or spreading inflammation. Seek medical attention if symptoms escalate, if there are signs of infection, or if a severe allergic reaction like difficulty breathing or widespread rash occurs.