Serving Edmonton for over 120 years

Jumping spiders

Identification

Size: Jumping spiders are relatively small, measuring between 1/8 inch to 3/4 inch (3 to 19 millimeters) in body length. They’re one of the larger spider families.
Color: These spiders come in a wide range of colors, often featuring vibrant hues and intricate patterns. Their coloration can include black, brown, gray, and sometimes iridescent blues or greens.
Description: Jumping spiders are known for their exceptional vision, agility, and unique hunting behavior. They possess stout bodies, short legs, and a distinctive eye arrangement, with two large front-facing eyes giving them excellent binocular vision.

Jumping spiders, belonging to the Salticidae family, are a diverse and widespread group characterized by their remarkable jumping ability. They have a compact body, short legs, and a stocky build. Their most distinctive feature is their large, forward-facing eyes. Jumping spiders have eight eyes arranged in three rows—a pair of large, prominent eyes in the front row, followed by two smaller eyes in the second row, and four smaller eyes in the bottom row.

Their excellent vision enables them to accurately judge distances and stalk prey with precision. Unlike many other spiders, they do not rely solely on webs for hunting. Instead, they actively hunt and pounce on their prey, leaping impressive distances compared to their body size. They use silk to build shelters but not to capture prey.

Jumping spiders are incredibly diverse in coloration and patterns, showcasing a range of hues from black and brown to various shades of gray, often with striking patterns or iridescent markings that can include blues, greens, or metallic tones.

These spiders are commonly found in diverse habitats, from forests to urban areas, often residing on vegetation, walls, or ceilings. Despite their formidable appearance, jumping spiders are generally harmless to humans and are considered beneficial as they help control insect populations.

Their curious and interactive behaviour, along with their intriguing hunting tactics, make them fascinating subjects for observation and study.

  1. Distinctive Appearance: Jumping spiders are small, typically ranging from 1/8 to 3/4 inches (3 to 19 millimeters) in length, with stout bodies and short legs.
  2. Eyes: They have eight eyes, with the anterior median pair being significantly larger than the others. This gives them excellent vision and an ability to track movements.
  3. Coloration and Patterns: Jumping spiders can exhibit a variety of colours and patterns, often including vibrant markings that vary by species. Some have iridescent chelicerae (mouthparts) or other colourful body parts.
  4. Habits: These spiders are known for their agile and precise jumping ability, which they use to pounce on prey. They don’t build webs to catch prey but actively hunt.
  1. Sightings: Observing small, stout-bodied spiders with excellent vision and the ability to jump when moving around could indicate the presence of jumping spiders.
  2. Distinctive Markings: Noticing colorful or patterned markings on small spiders, particularly larger anterior median eyes, suggests a jumping spider.
  3. Jumping Behavior: If you observe spiders moving swiftly and jumping to capture prey instead of relying on webs, they could be jumping spiders.
  4. Indoor/Outdoor Presence: They can be found both indoors and outdoors, often near windows, walls, or in vegetation where they hunt for insects.
  1. Sealing Entry Points: Seal cracks, gaps, and openings around doors, windows, and walls to prevent spiders from entering indoor spaces.
  2. Regular Cleaning: Regularly vacuum and clean indoor spaces to remove potential hiding spots and reduce insect populations, which serve as food for jumping spiders.
  3. Reduce Outdoor Hideouts: Maintain tidy outdoor spaces, trim vegetation close to the house, and clear debris that might harbour insects and spiders.
  4. Natural Predators: Encourage natural predators of spiders, such as birds and other insect-eating animals, in your garden or property.

Remember, jumping spiders are generally harmless and beneficial, as they control insect populations. Maintaining cleanliness and minimizing potential hiding spots can help manage their presence without resorting to harsh control measures.

BIRCH FUMIGATORS

est. 1900

Don't Let Bugs Get the Best of You

BIRCH FUMIGATORS

est. 1900

Don't Let Bugs Get the Best of You