Update: Winners will be contacted by email by 5 September.

Thank you ALL for participating in SpiderWeek 2021. We also thank our partner organizations and portals for their resources, time and efforts

5,500+ observations were recorded last year from across India. 

This year we are delighted to announce that the Spider Week will be organized in several continents in Africa, Asia, North America and South America with one goal– observing and documenting spiders, thanks to our partners and the biodiversity portals (listed below).

Join the amazing community of spider enthusiasts and participate in the Spider Week 2021 

1. Register using this form* (for participants from all parts of the world)

2. Depending on your location, post your observations using

INDIA: India Biodiversity Portal or iNaturalist

ISRAEL: https://israel.inaturalist.org/places/israel#taxon=47119

LATIN AMERICA: https://www.inaturalist.org/projects/semana-de-las-aranas-2021 


You can also register and post your observations by scanning the following barcodes:

SpiderWeek 2021 Registration Form
India Biodiversity Portal (for observations in India)
iNaturalist (for observations anywhere in the world, including India)

Flyers in different languages can be downloaded here.

Three spider enthusiasts with highest number of species observations will win an exciting prize!

*Note: Please follow the government guidelines for COVID-19 pandemic. For this Spider Week, you can also upload your existing observations.



Latin America
Karnataka, India
National Natural History Collections, Israel
"Thursday arachnid sorting group", National Natural History Collections, Israel
Hamra Lands, Israel