Arachnid · GBIF taxon 2169064
Gray Wall Jumping Spider
Menemerus bivittatusAlso known as Grey Wall Jumping Spider, Gray Wall Jumper, Grey Wall Jumper
Gray wall jumping spiders are agile, flattened arachnids perfectly adapted for life on vertical surfaces. They rely on exceptionally sharp vision from two large principal eyes to track moving flies and mosquitoes before pouncing without a web. Males feature a distinct pale central stripe down their dark carapace, while females display a mottled greyish pattern that blends seamlessly against concrete and tree bark.
PantropicalUrban WildlifeAgile Hunter
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Diet & prey
- House flies
- Mosquitoes
- Small moths
Predators
- Geckos
- Spider wasps
- Small birds
ThreatsWidespread pesticide spraying and indoor squashing
HabitatsExterior building walls, fences, window sills, and tree trunks
Life span1–2 years
Classification
- OrderAraneae
- FamilySalticidae
- GenusMenemerus
- SpeciesMenemerus bivittatus
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Safe to observe at a normal distance.
Responsible observation
- Sunlit Walls: Search exterior stucco or concrete surfaces during warm morning and afternoon hours.
- Slow Movements: Approach gradually, as their large forward-facing eyes quickly detect fast motion.
- Pest Control: Allow them to linger near entryways where they actively reduce housefly populations.
Frequent Companion (c) Gerard Chartier, some rights reserved (CC BY) · cc-by
Competitor (c) Bernard DUPONT, some rights reserved (CC BY) · cc-by
Close Relative (c) Katja Schulz, some rights reserved (CC BY), uploaded by Katja Schulz · cc-by
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