1st detailed classification of insect was done by

Answer: Option B

1^st detailed classification of insects was done by Umaswati.
The first detailed classification of insects was done by Umaswati (0 - 100 AD). Classification of bees by the Indian physician Charaka (1200 - 1000 BC) and classification of ants, flies and mosquitoes by the surgeon Sushruta (100 - 200 AD) are the evidences for our earliest knowledge about insects.