寄主龄期和温度对布氏潜蝇茧蜂和长尾潜蝇茧蜂种间竞争的影响  

Effects of host age and temperature on the competition between Fopius vandenboschi and Diachasmimorpha longicaudata

作　　者：黄居昌[1] 吕增印[1] 陈家骅[1] 季清娥[1] 杨建全[1] 

机构地区：[1]福建农林大学植物保护学院,福建福州350002

出　　处：《湖南农业大学学报（自然科学版）》2008年第4期466-468,共3页Journal of Hunan Agricultural University(Natural Sciences)

基　　金：福建省科学技术厅重点项目(2005N009;2006NZ002)

摘　　要：在实验室条件下研究了寄主龄期和温度对布氏潜蝇茧蜂和长尾潜蝇茧蜂种间竞争的影响,结果表明,以两种寄生蜂对3,4日龄橘小实蝇幼虫为寄主混合寄生后,长尾潜蝇茧蜂的出蜂率明显高于布氏潜蝇茧蜂,以2日龄做寄主时,结果则相反;混合寄生与单独寄生相比,长尾潜蝇茧蜂的出蜂率没有差异,布氏潜蝇茧蜂出蜂率显著下降.在25,35℃条件下,混合寄生的结果是长尾潜蝇茧蜂出蜂率显著高于布氏潜蝇茧蜂,在15℃条件下,两者的出蜂率差异不显著.Effects of host age and temperature on interspecific competition between Fopius vandenboschi and Diachasmimorpha longicaudata were studied in the laboratory. The result showed that the emergence rate of D. longicaudata was significantly higher than Evandenboschi when exposing 3-day-old, 4-day-old larva of Bactrocera dorsalis to the two parasitoids, while the result is just the reverse for 2-day-old host larva. Compared with those exposures to one species at a time, the rate of D. longicaudata emergence were kept in the same level while those of Evandenboschi was significantly reduced. At 25℃, 35℃, the proportion of D.longicaudata was significantly higher than Evandenboschi, at 15 ℃ there were no significant differences between them.

关 键 词：布氏潜蝇茧蜂 长尾潜蝇茧蜂 橘小实蝇 种间竞争 

分 类 号：Q969.456.8[生物学—昆虫学]