The eating behaviour of insects pests of stored The eating behaviour of insects pests of stored is very complex.Some of them is polyphagous,others eat few various food,parts of polyphagous insects take many kinds of animals and plants'products
◼ The eating behaviour of insects pests of stored is very complex. Some of them is polyphagous, others eat few various food, parts of polyphagous insects take many kinds of animals’ and plants’ products. The eating behaviour of insects pests of stored
2:The spreading paths of insect pests of stored grain and the modes of endangering (1).The spreading paths natural dispersion自然传播 artificial dispersion人为传播
2: The spreading paths of insect pests of stored grain and the modes of endangering ◼ (1). The spreading paths ◼ natural dispersion 自然传播 ◼ artificial dispersion 人为传播