Agricultural Entomology INTRODUCTION Wu Junxiang &T Li Yping Junxw@nwsuaf.edu.cn yp2003@126.com
1 Agricultural Entomology Agricultural Entomology INTRODUCTION INTRODUCTION Wu Junxiang Junxiang & Li Yiping Junxw@nwsuaf.edu.cn lyp2003@126.com
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 2
2 Lecture outline: Lecture outline: ¾ Concept of Concept of Agri. Ento. ¾ Contents of research on Contents of research on Agri. Ento. ¾ Disaster characteristics of agricultural pest Disaster characteristics of agricultural pest insects insects ¾ History of History of Agri. Ento. home and abroad . home and abroad ¾ Main achievements of Main achievements of Agri. Ento. in China . in China ¾ Guidelines of plant protection in China Guidelines of plant protection in China
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
3 1. Concept of 1. Concept of Agri. Entomology . Entomology Many pests can damage crops growing in fields. Many pests can damage crops growing in fields. Stored crop grains, harvested after crops are Stored crop grains, harvested after crops are grown, can be damaged by pests. grown, can be damaged by pests. Pests can mainly be divided into 6 categories: Pests can mainly be divided into 6 categories: Crop diseases Pest insects Crop diseases Pest insects Weeds Rats Weeds Rats Birds Beasts (e.g. wild boar Birds Beasts (e.g. wild boar)
How dominant are insects? 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 80%of all animals are insects
4 How dominant are insects? How dominant are insects? 80% of all animals 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
Cotton Boll Borer Helicoverpa armigera Locusts Locusta migratoria 5
5 Cotton Boll Borer Helicoverpa armigera Locusts Locusta migratoria
Small White Butterfly Pieris rapae Wheat Blossom Midge Sitodiplosis mosellana 6
6 Small White Butterfly Pieris rapae Wheat Blossom Midge Sitodiplosis mosellana
Weeds Wheat Rusts
7 Wheat Rusts Weeds
Bird Rats 8
8 Rats Bird
Wild rabbit Wild Boars 9
9 Wild Boars Wild rabbit
Mites Rolly polly bug Slugs Snail 10
10 Mites Rolly polly bug Slugs Snail