西北农林科技大学：《农业昆虫学》课程教学课件（中文版，2012）绪论（负责人：仵均祥）

西北农林升枚大学 下A&F UNIVRs型 Agricultural Entomology INTRODUCTION Wu Junxiang,Li Yiping Li Hong Junxw@nwsuaf.edu.cn Iyp2003@126.com 8888 hlibin_liang@nwsuaf.edu.cn

1 Agricultural Entomology INTRODUCTION Wu Junxiang, Li Yiping & Li Hong Junxw@nwsuaf.edu.cn lyp2003@126.com hlibin_liang@nwsuaf.edu.cn

品北容 NORTHWI Lecture outline: >Concept of Agri.Ento. >Contents of research on Agri.Ento >Disaster characteristics of agricultural pest insects >History of Agri.Ento.home and abroad >Main achievements of Agri.Ento.in China > Guidelines of plant protection in China 8888 2

2 Lecture outline:
Concept of Agri. Ento.
Contents of research on Agri. Ento.
Disaster characteristics of agricultural pest insects
History of Agri. Ento. home and abroad
Main achievements of Agri. Ento. in China
Guidelines of plant protection in China

西北农林升技大学 1.Concept of Agri. Entomology *Many pests can damage crops growing in fields. *Stored crop grains,harvested after crops are grown,can be damaged by pests. *Pests can mainly be divided into 6 categories: Crop diseases Pest insects Weeds Rats Birds Beasts(eg.wild boar） 8888 3

3 1. Concept of Agri. Entomology Many pests can damage crops growing in fields. Stored crop grains, harvested after crops are grown, can be damaged by pests. Pests can mainly be divided into 6 categories: Crop diseases Pest insects Weeds Rats Birds Beasts (e.g. wild boar)

How dominant are@imse心&然升枚大等 ORTHWEST A&F UNIVERSIT型 Butterflies Moths-160,000 Ants Bees-100,000 Flies-90,000 Worms Beetles-350,000 Protozoa Mammals-6,000 Fish Molluscs All Other Insects-100,000 Snails Starfish Other Arthropods 8888 80%of all animals are insects

4 How dominant are insects? 80% of all animals are insects Beetles - 350,000 Butterflies & Moths - 160,000 Ants & Bees - 100,000 All Other Insects - 100,000 Other Arthropods Snails Starfish Molluscs Worms Protozoa Fish Mammals - 6,000 Flies - 90,000

西北农林升枚大学 NORTHWEST A&F U时VERSITY Cotton Boll Borer Helicoverpa armigera Locusts Locusta migratoria 8888 5

5 Cotton Boll Borer Helicoverpa armigera Locusts Locusta migratoria

品北农林升枚大学 NORTHWEST A&F UNIVERSITY 澳洲闹蝗灾：蝗虫乱飞如下雪 8888

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西北农林升技大学 NORTHWEST A&F UNIVERSITY 8888 阿尔及利亚蝗

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品北农林升被大等 NO耳HWEST A多F UNIVERS型 8888 呼和浩特大体

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品北农林升枚大学 NORTHWEST A&F UNIVERSITY Small White Butterfly Pieris rapae Wheat Blossom Midge Sitodiplosis mosellana 8888 9

9 Small White Butterfly Pieris rapae Wheat Blossom Midge Sitodiplosis mosellana

品光农林升枚大学 NORTHWEST A&F UNIVERSITY Weeds Wheat Rusts 8888 10

10 Wheat Rusts Weeds