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Use AI To Identify Butterflies, With Pathanga Suchaka

Use AI To Identify Butterflies, With Pathanga Suchaka
Keep this site handy during butterfly season!, Photo Credit: Unsplash

The new website can identify upto 800 common butterflies and 500 moths in India

Nayanika Mukherjee
January 19 , 2020
02 Min Read

Butterfly watching is fun, until you come home and start organising the pictures. If you’ve just ventured into collecting or studying Lepidoptera (that’s the order moths and butterflies belong to), cataloguing species is an important step. But if it takes too long, it sucks the fun out of this weekend hobby. A new Indian website hopes to make this process a little easier for enthusiasts and experts, so that they may save time, better understand ecology, and accurately add previously unknown species to their portfolio.

Pathanga Suchaka is an online bio-resource portal that uses artificial intelligence to identify up to 800 common butterfly species and 500 moth species in India. Launched in 2019, it follows a simple three-step process — upload the image, select the date and location you was clicked, and click on the ‘Analyze’ button. Within seconds, the website throws up the likeliest matches for your image, complete with a scientific name, a common name and a ‘confidence percentage’ for each suggestion. You can then look up the species online before making your final pick. 

The images are identified based on how close your capture is to Pathanga Suchaka’s existing dataset of field images. The AI programme is trained to identify butterflies and moths regardless of their background, but can’t catalogue larvae, pupae or eggs. If there’s multiple butterflies in an image, it goes ahead with a random selection, so do crop as needed. If you see a low confidence percentage, it means the species isn’t part of their trained dataset...  yet.

We tested the website’s efficiency with a few random images off the Internet, and the first results were accurate every time except for a little curveball from our end. Alright, it was outright cheating, but we now know how robust the platform is. 

It correctly identified the southern birdwing (Troides minos, Karnataka’s state butterfly), the Atlas moth (Attacus atlas, endemic to Asian forests), and the Malabar rose butterfly (Pachliopta pandiyana). But when we put in a foreign species (the high brown fritillary, or Fabriciana adippe) native to the Palearctic region, the correct result showed up as the second option with a low confidence percentage. Probably because we put the location as Delhi!

 

The website was developed by the School of Ecology and Conservation at the University of Agricultural Sciences, Bengaluru. For more information, see pathangasuchaka.in

Read | Butterfly Watching in Tamenglong, Manipur

Read | Home of the Bees and the Butterflies

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