Fauna
Arachnid

Adanson's House Jumper

Hasarius adansoni

Also known as Adanson's Jumping Spider

Adanson's house jumpers are sun-loving predators celebrated for their exceptional vision, using their large forward-facing eyes to gauge depth through chromatic aberration. Males showcase a striking tuxedo pattern with bright white pedipalps and an abdominal crescent, which they wave rhythmically during elaborate courtship dances. Thriving inside human dwellings and sun-drenched gardens, they actively stalk indoor pests rather than spinning capture webs.

CosmopolitanDiurnalAgile Hunter
Adanson's House Jumper reference1 / 7
(c) Bernard DUPONT, some rights reserved (CC BY) · cc-by
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Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & preyHouseflies, Mosquitoes, Fungus gnats
Predators
  • House geckos
  • Mud dauber wasps
  • Larger spiders
ThreatsHousehold pesticide use and indoor swatting
HabitatsHuman dwellings, greenhouses, gardens, and tropical scrub
Life span1–2 years
Classification
  1. OrderAraneae
  2. FamilySalticidae
  3. GenusHasarius
  4. SpeciesHasarius adansoni
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Harmless to humans and pets; bites are exceedingly rare and trivial.
Responsible observation
  • Safe Observation: Watch from a few centimeters away as it tracks movement with its head.
  • Pest Control: Allow it to roam indoor window sills where it catches nuisance flies and gnats.
Related species
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