【摘要】 1.豆突眼蝽主要为害大豆,次则为害绿豆。 2.在湖南省花垣地区年发生3代,世代重迭,当温度在18—24℃时,一代历期长42天,24—26℃时,长33天。 3.以成虫潛伏于豆土泥缝、石隙、落叶下越冬。越冬期长达7个月。翌年4月中旬以后,方始活动,迁飞豆苗上为害。 4.成虫无趋光性,羽化时间以上午8时为盛。羽化后1—2日开始交尾。成虫在爬行中若遇阻扰,作迅速的左或右的横行移动。 5.在药剂防治上以6％丙体666可湿性剂100—300倍效果甚好,此外,25％DDT乳剂400—500倍效果亦佳,唯666在后期(豆株开花,幼荚期)防治上,能影响豆实风味。 6.冬季翻耕亦有杀虫效果。更多还原

【Abstract】 Chauliops fallax scott is one of the most important pests of field soybean in the western part ofHunan. In order to hold this species in check,a study was carried out during 1957-1958. Themain results obtained from this study are summarized as follows: 1. This insect has three overlapping generations a year in the western part of Hunan province.The duration of a generation varies with temperature. The longest period is 42 days under anaverage temperature of 18-24℃., the shortest 33 days with temperatures at 24--26℃. The over-wintering generation requires about seven months. 2. In Hua-yuan district, this insect hibernates mainly in the open field. And flight comes tomaximum in middle and late April. 3. The results of field or indoor experiment on various organic insecticides (BHC & D. D.T.) indicated that the 6 percent gamma BHC was the most effective at a dilution of 1:100--300,and 25% D. D. T. at a dilution of 1:400--500.更多还原