Insect · GBIF taxon 1707497
Javanese Grasshopper
Valanga nigricornisAlso known as Javanese Bird Grasshopper
Javanese grasshoppers are large, solitary bird grasshoppers renowned for their striking yellow-green patterning and strong jumping power. Adults spend their days perched on shrubs and tree canopies, stripping foliage from broadleaf plants with powerful chewing mouthparts. While typically non-migratory and solitary, local population surges can occasionally strip cultivated plantation crops across Southeast Asian islands.
HerbivorousArborealTropical
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Diet & prey
- Foliage of various broadleaf trees, shrubs, and plantation crops
Predators
- Garden birds
- Lizards
- Praying mantises
ThreatsPesticide applications in agricultural areas
HabitatsTropical rainforest edges, secondary forests, scrublands, plantations, and gardens
Life span6–12 months
Classification
- OrderOrthoptera
- FamilyAcrididae
- GenusValanga
- SpeciesValanga nigricornis
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
- Observation: Look along sunny tree margins and garden hedges during mid-morning when adults bask on broad leaves.
- Approach: Move slowly to avoid triggering their explosive, long-distance jump and glide escape.
Predator Sifat Sharker / CC BY-SA 4.0 · cc-by-sa
Image unavailableClose Relative 
Same Family Jonathan Hornung / CC BY-SA 2.0 de · cc-by-sa
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