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赣北是我省主要产棉区,地老虎是棉花等春播旱地作物苗期常发性害虫。为了更好地开展测报和防治,作者近十几年来先后在彭泽、九江两县洲地对其进行了观察。现将主要结果整理于后供参考,并借以抛砖引玉。一、地老虎种类及危害初步查明赣北有小地老虎 Agrotisypsilon(Rottemberg)、灰地老虎 Agrotisconescns(Butler)、黄地老虎 EuxoaSegetum(Schiffermüller)、八字地老虎Agrotis C—nigrum(Linnaeus)、茶色地老虎 Hermonassa cecilia Butler,包括文献记载本区都昌县发现的地老虎 Agrotistokionis Butler 共6种地老虎,后五种至
The northern part of Jiangxi Province is the main cotton producing area in our province. The native tiger is a frequent insect pest in the seedling stage of spring sowing drylands such as cotton. In order to carry out forecasting and prevention better, the author observed them successively in Pengzhou and Jiujiang counties over the past decade or so. Now the main results are arranged for reference, and to start a discussion. First, the type of tiger and the damage identified in northern Jiangxi Agrotisypsilon small tiger (Rottemberg), gray tiger Agrotisconescns (Butler), yellow tiger EuxoaSegetum (Schiffermüller), tiger land tiger Agrotis C-nigrum (Linnaeus), brown land Tiger Hermonassa cecilia Butler, including documented in this area Duchang County found in the tiger Agrotistokionis Butler a total of 6 kinds of tigers, the latter five to