Pelopidas mathias(隐纹谷弄蝶)
Pelopidas Pelopidas mathias mathias (隐纹谷弄蝶)
2.Rice leaf-roller Cnaphalocrocis medinalis (稻纵卷叶螟 Chinese bynames: 刮青虫、白叶虫、 小苞虫 #Lepidoptera Pyralidae
Chinese bynames: Chinese bynames: 刮青虫、白叶虫、 刮青虫、白叶虫、 小苞虫 Lepidoptera Lepidoptera Pyralidae Pyralidae 2. Rice leaf 2. Rice leaf-roller Cnaphalocrocis Cnaphalocrocis medinalis medinalis (稻纵卷叶螟 )
1)Distribution and Damage Asia,Australia,Africa; Nationwide distribution in China,more commonly found south of Yellow and Huai Rivers; Mainly feed on rice,sometime feed on wheat,barley,millet and sugarcane;
Asia, Australia, Africa; Asia, Australia, Africa; Nationwide distribution in China, more Nationwide distribution in China, more commonly found south of Yellow and commonly found south of Yellow and Huai Rivers; Rivers; Mainly feed on rice, sometime feed on Mainly feed on rice, sometime feed on wheat, barley, millet and sugarcane; wheat, barley, millet and sugarcane; 1) Distribution and Damage 1) Distribution and Damage
1)Distribution and Damage aryae vertically bind a leaf or leaves together with silk to create a cocoon and then feed on the upper epidermises and mesophylls of leaves in the cocoon.Only the lower epidermis of the leaf or leaves remains to display white stripped patches. When leaves are severely damaged,the whole paddy field displays white. 以幼虫吐丝纵卷叶片结成虫苞，幼虫躲在苞内取食上表皮及叶肉 组织，留下表皮，形成白色条斑，受害重的稻田一片枯白，影响株高 和抽穗，使千粒重降低，瘪谷率增加，导致严重减产
¾ Larvae vertically bind a leaf or leaves together with silk to create a cocoon and then feed on the upper epidermises and mesophylls of leaves in the cocoon. Only the lower epidermis of the leaf or leaves remains to display white stripped patches. When leaves are severely damaged, the whole paddy field displays white. 以幼虫吐丝纵卷叶片结成虫苞，幼虫躲在苞内取食上表皮及叶肉 组织，留下表皮，形成白色条斑，受害重的稻田一片枯白，影响株高 和抽穗，使千粒重降低，瘪谷率增加，导致严重减产。 1) Distribution and Damage 1) Distribution and Damage
1)Distribution and Damage It is a local pest which only occasionally caused great damage before the 1960's. After the 1970's,it became a major pest and the loss of damage it causes continues to escalate. 20世纪60年代以前，为局部性、偶发性害虫。70年代以后，危 害日趋严重
¾ It is a local pest which only occasionally It is a local pest which only occasionally caused great damage before the 1960 caused great damage before the 1960’s. After the 1970 After the 1970’s, it became a major pest and s, it became a major pest and the loss of damage it causes continues to the loss of damage it causes continues to escalate. escalate. 20世纪60年代以前，为局部性、偶发性害虫。70年代以后，危 害日趋严重。 1) Distribution and Damage 1) Distribution and Damage