Delhi government has drawn up a plan to deal with the possibility of a locust attack in the capital. The government has asked the authorities concerned to focus on awareness and to spray insecticides and pesticides on crops and vegetation to prevent a probable desert locust invasion. Swarms of the winged insects have overrun many parts of Rajasthan and could be headed to Delhi.

from Times of India https://timesofindia.indiatimes.com/india/delhi-govt-steps-in-to-fight-locusts-issues-advisory/articleshow/76081631.cms