Complete Guide To The Flat Jumping Spider

How To Identify Flat Jumping Spiders

• Flat Jumping Spiders are sexually dimorphic, with females growing larger than males.
  • Females grow to 0.5 inches (1.3 cm) in total body length.
  • Males grow to 0.4 inches (1.0 cm).
• Both male and female Flat Jumping Spiders:
  • Are shades of light gray, dark gray, black, and tan and have a complex, mottled appearance.
  • Have flattened cephalothoraxes, which gives them their common, informal English name.
• The main differences between male and female Flat Jumping Spiders are:
  • The color of the clypeus (the region between their eyes and their chelicerae):
    • Females have bright white clypei.
    • Males have orange-brown or mahogany clypei.
  • The width of the pale dorsal abdominal band.
    • Both males and females have a jagged band of pale color down the dorsal center of their abdomens but this band is wider and more distinct on females.
  • Male chelicerae are covered in thick, white hairs.