Sidymella rubrosignata
| Sidymella rubrosignata | |
|---|---|
| Sidymella rubrosignata juvenile on a bromeliad at Chatswood West, Australia | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Subphylum: | Chelicerata | 
| Class: | Arachnida | 
| Order: | Araneae | 
| Infraorder: | Araneomorphae | 
| Family: | Thomisidae | 
| Genus: | Sidymella | 
| Species: | S. rubrosignata  | 
| Binomial name | |
| Sidymella rubrosignata (L. Koch, 1874)  | |
| Synonyms | |
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Sidymella rubrosignata is a species of crab spiders found in Australia. It is a common spider, often seen on Dianella plants.
Like all thomisid spiders, it does not make a web, but lies in wait for prey to appear nearby. Their prey is insects, or occasionally other small spiders.