Đặc điểm sinh học chủ yếu của bọ nẹt (Thosea sp.) hại dong riềng

• Tác giả: Như Cường Nguyễn, Văn Đĩnh Nguyễn, Văn Mỵ Trịnh
• Ngôn ngữ: vie
• Ký hiệu phân loại: 595.76 *Coleoptera (Beetles)
• Thông tin xuất bản: Báo cáo khoa học Hội nghị Côn trùng học quốc gia lần thứ 7, 2011
• Mô tả vật lý: 602-606
• Bộ sưu tập: Metadata
• ID: 506895

Tóm tắt

The study was conducted at the Center for research and development of tuber crop. Thanhtri, Hanoi in 2008-2010. The results showed that the caterpillar of a Thosea sp. was the major pest of canna (Canna edulis Ker). Their eggs were laid in clusters and there were 6 instars. Pupation was among old and dry leaves or in soil close to the main stem. Adults were active at night (17:00 - 19:30). Their life cycle was at 25°C and 30°C, 75.47 and 64.21 days, respectively. The number of eggs 25°C and at 30°C was 25.61 and 27.57 egg/female respectively.