入侵害虫红脂大小蠹的适生区和适生寄主分析

doi:10.11707/j.1001-7488.20071012

Scientia Silvae Sinicae ›› 2007, Vol. 43 ›› Issue (10): 71-76.doi: 10.11707/j.1001-7488.20071012

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Preliminary Deduction of Potential Distribution and Alternative Hosts of Invasive Pest, Dendroctonus valens (Coleoptera:Scolytidae)

Wang Hongbin^1,3,Zhang Zhen¹,Kong Xiangbo¹,Liu Suicun²,Shen Zuorui³

1. Key Laboratory of Forest Protection of State Forest Administration Research Institute of Forest Ecology, Environment and Protection, CAF Beijing 100091; 2. Shanxi Academy of Forestry Taiyuan 030012; 3. IPMIST Lab., College of Agriculture and Biotechnology, Chinese Agricultural University Beijing 100094

Received:2006-03-09 Revised:1900-01-01 Online:2007-10-25 Published:2007-10-25

Abstract

Abstract:

According the analysis of the history record of the climate, the low humidity and fewer precipitation in spring time of 1997 in Shanxi are the main factors for the infestation of the Dendroctonus valens in 1998. With the data of 305 weather stations around the country and Arcview3.2, the pest potential distribution area are supposed and shows that the climate suitable area is with more drought, north to the present infested area. Once the pests are introduced there, there will be more serious than present occurrence area. The pest population density in infested area will decrease following the regular climate recurring. The similarity analysis of monoterpene volatiles involved the attractant of the beetles shows that Pinus bungeana and Picea asperata are more dangerous host species besides Pinus tabulaeformis in the infest area.

Key words: Dendroctonus valens, potential distribution, climate, potential host

Wang Hongbin;Zhang Zhen;Kong Xiangbo;Liu Suicun;Shen Zuorui. Preliminary Deduction of Potential Distribution and Alternative Hosts of Invasive Pest, Dendroctonus valens (Coleoptera:Scolytidae)[J]. Scientia Silvae Sinicae, 2007, 43(10): 71-76.

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Preliminary Deduction of Potential Distribution and Alternative Hosts of Invasive Pest, Dendroctonus valens (Coleoptera:Scolytidae)

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