论文部分内容阅读
桉树枝瘿姬小蜂(Leptocybe invasa Fisher et La Salle)是福建省新发现的外来入侵危险性害虫,为了为该虫的虫情监测和预测预报提供科学依据,采用室内恒温培养受害桉树的方法测得桉树枝瘿姬小蜂卵、幼虫、蛹、成虫和世代的发育起点温度分别为8.6548、6.5695、13.9383、14.8303℃和10.1964℃,有效积温分别为101.7969、807.1576、105.4349、114.5262d·℃和1052.9662d·℃,各虫态及世代发育历期预测式为:卵,D=101.796 9/[T-(8.654 8±0.009 9)]d;幼虫,D=807.157 6/[T-(6.569 5±0.125 8)]d;蛹,D=105.434 9/[T-(13.938 3±0.102 8)]d;成虫,D=114.526 2/[T-(14.830 3±0.133 7)]d;世代,D=1 052.966 2/[T-(10.196 4±0.070 1)]d。结合福建省各县市区1970~2000年的气象资料进行统计和预测,结果表明福建各地的气温条件均适合桉树枝瘿姬小蜂的生长发育,且能满足桉树枝瘿姬小蜂年发生2~4个世代。
Leptocybe invasa Fisher et La Salle was a newly discovered invasive pest of pest in Fujian Province. In order to provide a scientific basis for the monitoring and prediction of insect pests in this pest, indoor cultivation of damaged eucalyptus trees The developmental thresholds of eggs, larvae, pupae, adults and generations of Eucalyptus chinensis were 8.6548, 6.5695, 13.9383, 14.8303 ℃ and 10.1964 ℃, respectively. The effective accumulated temperatures were 101.7969, 807.1576, 105.4349, 114.5262d ℃ and 1052.9662, respectively d · ℃. The prediction formulas of developmental stages and developmental stages of each insect were as follows: eggs, D = 101.796 9 / [T- (8.654 8 ± 0.009 9)] d; larvae, D = 807.157 6 / [T- 0.125 8)] d; pupal, D = 105.434 9 / [T- (13.938 3 ± 0.102 8)] d; adult, D = 114.526 2 / [T- (14.830 3 ± 0.133 7)] d; 1 052.966 2 / [T- (10.196 4 ± 0.070 1)] d. According to the statistics and forecast of meteorological data from 1970 to 2000 in counties and cities of Fujian Province, the results show that the temperature conditions in all parts of Fujian are suitable for the growth and development of Eucalyptus, ~ 4 generations.