Destruction of Paddy by Paddy Swarming Caterpillar (Spodopteramauritia) in Assam
Ningannolla Varsha Reddy, Nidhi Dubey , Harshal Avinashe
Paddy swarming caterpillar (Spodoptera mauritia)boisduval (Noctuidaelepdoptera) is aoccasional pest which cause damage to rice crop. It is also called as Lawn Armyworm. It is a major pest throughout the world as it was able to eat many types of food. It affected more than 500 hectares of area in one district. The species was first described by Jean baptisteboisduval in 1883. It was spread from the Redsea to India, Manmar, Srilanka, Malaya to Australia its larvae can feed on various grasses such as rice, wheat, cynodon, pennisetum, clandestium, sorghum. Spodoptera pest is considered as one of the major international agricultural pests on crops and pastures. Upland rice is a major host. Hectares of land has completely damaged by this pest in the paddy field and it was grazed by cattle in many parts of India like Sambalpur district in orissa, and sundergarh district is also affected locally it is called as “Patarkatti”. This armyworm infest paddy crops of less than 20-25days old.the insect usually occurs on rice from July to September. generally , nursery and early growing stages are seen to migrate from one place to another. if the outbreak is severe it leads to heavy crop yield loss .
Article Details
Unique Paper ID: 150472

Publication Volume & Issue: Volume 7, Issue 6

Page(s): 207 - 210
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