Kathmandu, July 7 -- Nepali authorities monitoring the movement of desert locust swarms in the sub-continent are heaving a sigh of relief after the pests, which have left a trail of destruction in Africa and western Asia, "suddenly disappeared".

Locust invasion, which was seen as a major threat to crops this summer, hasn't been reported anywhere in the country for the last few days, authorities said attributing it to the movement of monsoon winds from the east, and comparatively lower temperatures due to rain.

"It seems they all are lost somewhere," said Ram Krishna Subedi, senior plant protection officer at the Plant Quarantine and Pesticide Management Centre under the Ministry of Agriculture and Livestock Development. "They are nowher...