How Long Do Spiders Live?
A spider is a fantastic animal with a lifespan that rivals many other creatures.
Several factors affect how long spiders live, including predators and climate conditions. Females usually outlive males and can last between two and 25 years.
Jumping Spiders
Jumping spiders are a diverse group of insects that are members of the family Salticidae. The family contains over 5,000 described species worldwide.
These creatures are small to medium-sized and often covered in iridescent scales or hairs. They also have large anterior median eyes.
Their eyes are arranged in two or three rows, and the front row is enlarged for stereoscopic vision.
They can see a wide range of colors, especially red and orange. This is due to a genetic mutation that gives them extra copies of the color vision gene.
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These spiders are also known for their intricate mating dance. Male jumping spiders use complex movements to send signals to female spiders to allow for safe mating.
Wolf Spiders
Wolf spiders are one of the most recognizable types of spiders. They can range in size from tiny to huge and are found worldwide.
These predatory arachnids are nocturnal and have excellent nighttime vision thanks to a light-reflecting crystalline tapetum layer in their large eyes. These spiders’ eyes will glow when you shine a flashlight onto the ground or a wood patch.
They are found in various environments, including woods, open grasslands, streams, and lakes. They can also “walk” on water using tiny hairs on their feet to stay afloat and avoid predators.
In the wild, wolf spiders generally live for about one year. However, they can live for up to three years in captivity or when kept as pets.
Hourglass Spiders
Spiders live in many habitats, from remote forests to the high mountains. Some species stay year-round, while others will migrate to warmer weather.
The lifespan of a spider depends on the type of spider and its genus. Females generally outlive males and can live up to 25 years.
A male will visit a female’s web to mate with her. After courtship dances, he deposits sperm into her genital opening, called an epigynum.
After mating, she will produce eggs that hatch in the spring. The eggs are contained in soft sacs.
Female wolf spiders care for their young until they are ready to move on. When they are ready, she rips the egg sac wall open, and the tiny spiderlings climb onto her abdomen. They then stay there for a week before the mother disperses them.
Common House Spiders
Unlike other spiders, common house spiders rarely attack people or animals. They will only bite when they are physically threatened and in self-defense.
These arachnids are commonly found inside homes, offices, and businesses. Once inside, these spiders seek quiet areas to construct a web without disturbance. Attics, crawl spaces, and basements are frequent choice locations.
They also like to build their webs in dark and quiet places, such as ceilings and window frames. Keeping these areas clean will help prevent spiders from setting up home in your Philadelphia area property.
Shortly after mating, the female common house spider lays eggs in a tan papery egg sac. These sacs contain 100 to 400 eggs. The young spiderlings are in the egg sac for about four days before they leave to join their mother’s web.
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