Oxyopidae

Common Name

Lynx Spiders

Overview

The family Oxyopidae, commonly known as lynx spiders, includes agile hunters known for their distinctive spiny legs and excellent jumping abilities. With over 400 species distributed across a variety of habitats worldwide, these spiders are predominantly found in open, sunny areas such as grasslands and scrublands.

Taxonomy

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Arachnida
  • Order: Araneae
  • Family: Oxyopidae

Key Characteristics

  • Body Shape: Slender bodies with long legs
  • Eye Arrangement: Eight eyes arranged in a hexagonal pattern
  • Legs: Covered in long spines
  • Coloration: Often green, brown, or grey, with some species having vibrant patterns
  • Size: Generally small to medium (4-15 mm)

Life Cycle

  • Eggs: Laid in a silk sac and attached to vegetation
  • Juvenile Stages: Spiderlings undergo several molts
  • Adults: Reach maturity after multiple molts and continue the cycle by mating and laying eggs

Behavior and Ecology

  • Hunting: Ambush predators that rely on their speed and jumping ability
  • Diet: Mainly consists of small insects and other arthropods
  • Habitat: Prefers open areas with plenty of sunlight, often found on flowers, grasses, and shrubs
  • Reproduction: Females often guard their egg sacs until the spiderlings emerge

Notable Species

  • Peucetia viridans: The Green Lynx Spider
  • Oxyopes salticus: The Striped Lynx Spider

Conservation

While there is no widespread concern for lynx spiders, habitat loss in certain regions could impact local populations. Being largely beneficial as insect predators, they indirectly contribute to the control of pest populations.

Significance to Humans

Lynx spiders play a role in natural pest control, preying on insects that may damage crops or transmit diseases. They are generally non-aggressive toward humans and their bites are not harmful.

Fun Facts

  • Lynx spiders do not build webs to catch prey; they rely on their excellent vision and agility.
  • The name "lynx spider" comes from their cat-like hunting behavior.
  • Some species can leap several times their body length to catch prey.
  • Their venom is adapted to quickly subdue fast-moving prey, such as flies and grasshoppers.
  • The Green Lynx Spider can spit venom up to eight inches as a defense mechanism.