西北农林科技大学：《农业昆虫学》课程教学课件（英文版，2012）Chapter 15 Fruit borers

Chapter 15 FRUIT BORERS Wu Junxiang Li Yiping Junxw@nwsuaf.edu.cn lyn2003@126.com

Chapter 15 FRUIT BORERS Wu Junxiang Junxiang Li Yiping Junxw@nwsuaf.edu.cn Junxw@nwsuaf.edu.cn lyp2003@126.com lyp2003@126.com

Chapter 15 Fruit Borers Lecture Outline *Wheat blossom midges *Cotton boll borer and Oriental Tobacco Budworm *Soybean borers *Fresh fruit borers *Dried fruit borers *Monitoring and Management

Lecture Outline Lecture Outline ™ Wheat blossom midges Wheat blossom midges ™ Cotton boll borer and Cotton boll borer and Oriental Tobacco Oriental Tobacco Budworm Budworm ™ Soybean borers Soybean borers ™ Fresh fruit borers Fresh fruit borers ™ Dried fruit borers Dried fruit borers ™ Monitoring and Management Monitoring and Management Chapter 15 Fruit Borers

Wheat Blossom Midges (小麦吸浆虫) Wheat blossom midges wheat midges Diptera,Cecidomiidae Orange wheat blossom midge Sitodiplosis mosellana ■Contarinia tritici

Wheat blossom midges = wheat midges Diptera, Cecidomiidae „ Orange wheat blossom midge Sitodiplosis mosellana „ Contarinia tritici Wheat Blossom Midges (小麦吸浆虫 )

Orange wheat blossom midge Sitodiplosis mosellana

Orange wheat blossom midge Orange wheat blossom midge Sitodiplosis Sitodiplosis mosellana mosellana

Contarinia tritici

Contarinia Contarinia tritici tritici

1.Distribution Cosmopolitan pests,distributed in Asia, Europe and North America; >Sitodiplosis mosellana favors warm environment.Mainly occur in wheat growing areas of valleys of Yellow River and Huai River in 31-35 N.in China. >Contarinia tritici prefers cool environment. Mainly distributed in wheat growing areas of alp and altiplano

¾ Cosmopolitan pests, distributed in Asia, Europe and North America; ¾ Sitodiplosis mosellana favors warm environment. Mainly occur in wheat growing areas of valleys of Yellow River and Huai River in 31-35°N. in China. ¾ Contarinia Contarinia tritici tritici prefers cool environment prefers cool . Mainly distributed in wheat growing areas Mainly distributed in wheat growing areas of alp and of alp and altiplano altiplano. 1. Distribution 1. Distribution

2.Damage Oligophagous pests.Severely damage wheat,barley, highland barley wild oat(青稞)，rey,oat and some weeds; *Larvae damage to wheat flowers and sucking of the sap of milking wheat kernels causes wheat plants to produce non-rich grains.Generally,the amount of damage is abundant.When severe damage occurs,the loss is almost 100%. 幼虫危害小麦花器和吸食正在灌浆的小麦籽粒的浆液，造成瘪粒而 减产，受害严重时几乎毁产

™ Oligophagous pests. Severely damage wheat, barley, highland barley wild oat (青稞), rey, oat and some weeds; ™ Larvae damage to wheat flowers and sucking of the sap of milking wheat kernels causes wheat plants to produce non-rich grains. Generally, the amount of damage is abundant. When severe damage occurs, the loss is almost 100%. 幼虫危害小麦花器和吸食正在灌浆的小麦籽粒的浆液，造成瘪粒而 减产，受害严重时几乎毁产。 2. Damage 2. Damage

Sitodiplosis mosellana

Sitodiplosis Sitodiplosis mosellana mosellana

Taken by Junxiang Wu in Xushui,Hebei,2003

Taken by Junxiang Wu in Xushui, Hebei , 2003

Taken by Junxiang Wu in Xushui,Hebei,2003

Taken by Junxiang Wu in Xushui, Hebei , 2003