Brown widow vs Redback spider
The redback spider is longer: 1 cm against 9.27 mm for the brown widow, about 8% longer.
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Photo: Wocky · CC BY-SA 3.0 · Wikimedia Commons
What is the difference between a brown widow and a redback spider?
Each point below is worked out from a pair of recorded values.
- The redback spider is longer: 1 cm against 9.27 mm for the brown widow, about 8% longer.
- Both belong to the genus Latrodectus, so they are close relatives.
- No country is on record for both: the brown widow has 3 countries on record and the redback spider has 2.
Side by side
| Brown widow | Redback spider | |
|---|---|---|
| Scientific name | Latrodectus geometricus | Latrodectus hasselti |
| Family | Theridiidae | Theridiidae |
| Order | Araneae | Araneae |
| Weight | Not recorded | Not recorded |
| Length | 9.27 mm | 3 mm – 1 cm |
| Lifespan | Not recorded | Not recorded |
| Main food | Not recorded | Not recorded |
| Habitat | grassland | Not recorded |
| Conservation status | Not recorded | Not recorded |
| Countries recorded | 3 | 2 |
Which is bigger?
Full record: Brown widowFull record: Redback spiderCompare other animals