Damos P, Savopoulou-Soultani M
Aristotle University of Thessaloniki, Faculty of Agriculture, Laboratory of Applied Zoology and Parasitology, 541 24, Thessaloniki, Greece.
Commun Agric Appl Biol Sci. 2007;72(3):465-8.
The flight patterns of the peach twig borer Anarsia lineatella (Zeller) (Lepidoptera: Gelechiidae) were studied in two important and representative regions of peach production in Northern Greece. In order to determine the seasonal occurrence of the species, adult male moth flight was monitored from April till October (2005-2006) using 8 pheromone traps. The observation areas were located at the regions of Veria (lat. 40.32 degrees North) and Velvendos (lat. 40.16 degrees North). The first flight was observed from early May to early June in Veria and from late May to mid June in Velvendos. The 2nd and 3rd flights were observed from late July to early August and from late August to late September in both regions. The degree-days required for the first generation (431 Veria, 371 Velvendos) were fewer than for the 2nd (661 Veria, 504 Velvendos) and the 3rd generation (675 Veria, 506 Velvendos). A lower threshold temperature of 100 C was used in calculating daily day-degrees from March 1st. All the above data are valuable for the development of prediction models and for decision making in order to achieve better timing of treatments. Considering the increasing interest of biorational insecticides where precise timing of treatments is extremely important, degree-day models could be a useful tool for improving their efficacy in IPM.
在希腊北部两个重要且具代表性的桃子产区，对桃小食心虫（Anarsia lineatella (Zeller)，鳞翅目：麦蛾科）的飞行模式进行了研究。为确定该物种的季节性发生情况，于2005 - 2006年4月至10月期间，使用8个性诱捕器对成年雄蛾的飞行进行监测。观测区域位于韦里亚（北纬40.32度）和韦尔文多斯（北纬40.16度）地区。在韦里亚，首次飞行于5月初至6月初被观测到；在韦尔文多斯，则于5月下旬至6月中旬被观测到。在两个地区，第二次和第三次飞行分别于7月下旬至8月初以及8月下旬至9月下旬被观测到。第一代所需的度日数（韦里亚为431，韦尔文多斯为371）少于第二代（韦里亚为661，韦尔文多斯为504）和第三代（韦里亚为675，韦尔文多斯为506）。从3月1日起，计算每日度日数时使用的较低阈值温度为10℃。上述所有数据对于预测模型的开发以及为实现更好的防治时机进行决策都很有价值。考虑到生物合理杀虫剂的兴趣日益增加，而精确的防治时机极为重要，度日模型可能是提高其在综合虫害管理中效果的有用工具。
