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在25℃温度条件下,在九里香(Murraya panicuata)嫩枝条上研究柑橘木虱Diaphorina citri Kuwayama混合虫态、卵、低龄若虫、高龄若虫、柑橘木虱分泌物对胡瓜新小绥螨Neoseiulus cucumeirs(Oudemans)雌螨的吸引作用,以探索与评价捕食螨对柑橘木虱各虫态及分泌物的趋向性。研究发现:1.柑橘木虱混合虫态对胡瓜新小绥螨的吸引作用在试验后第2小时经测验达到显著水平(P<0.05),第3小时达极显著水平(P<0.01),表明柑橘木虱混合虫态对胡瓜新小绥螨有很强的吸引作用;2.柑橘木虱卵对胡瓜新小绥螨雌成螨无吸引作用;3.试验开始后第1~5小时在试验区胡瓜新小绥螨数量分别高于空白区25.00%、18.33%、13.33%、15.00%和23.33%,柑橘木虱低龄若虫对胡瓜新小绥螨有较强烈的吸引作用;4.柑橘木虱高龄若虫对胡瓜新小绥螨吸引作用在第1小时最高,第2~3小时最低,第4小时开始回升,第5小时可达到51.67%。可见柑橘木虱高龄若虫对胡瓜新小绥螨有一定的吸引作用;5.柑橘木虱分泌物对胡瓜新小绥螨吸引作用在第1小时最高,试验区胡瓜新小绥螨数量高于空白区33.33%、胡瓜新小绥螨不能取食柑橘木虱分泌物,第2小时胡瓜新小绥螨向外逃跑的比率增加。但胡瓜新小绥螨在试验区数量仍高于试验区,柑橘木虱分泌物对胡瓜新小绥螨也有一定的吸引作用。本试验环境开放,模拟自然状态。在柑橘木虱混合虫态发生的情况下,胡瓜新小绥螨对其具备搜寻能力。
Studies on the mixed insect states of Diaphorina citri Kuwayama, eggs, young nymphs, nymphs and citrus psyllid secretions on the tender shoots of Murraya panicuata under the conditions of 25 ℃. The effect on the secretion of Neoseiulus cucumeirs Oudemans) female mites in order to explore and evaluate the tendency of predatory mites on the status and secretion of citrus psylla. The results showed that: (1) Attracting effects of the mixed citrus psylla mixed on the new cucumer’s cuneus reached the significant level at the second hour after the test (P <0.05), the third hour reached the extremely significant level (P <0.01) Indicating that citrus psyllid mixed-state on the new Culex psyllid has a strong attraction; 2. Citrus psyllid eggs on the new Culex pipiens mites female adult mites did not attract the role of; 3 after the start of the test 1 to 5 hours in the In the experimental area, the number of new Curtius sinesis was 25.00%, 18.33%, 13.33%, 15.00% and 23.33% higher than the blank area, respectively. Louse nymphs on the new cucumber nystus summon attraction in the first hour highest, the first 2 to 3 hours the lowest, the first 4 hours began to rise, the first 5 hours can reach 51.67%. Visible citrus psyllid nymph on the new Culex fruticosa Suis have certain attractive; 5. Citrus psyllid secretions on the new Culex fruticosa suction the highest in the first hour, the test area of the new number of cucumbers Siberius is greater than the number of blank District 33.33%, new cucumbers do not eat citrus psyllid secretions, the first 2 hours of the new Culex pipiens migrant escaped to run out of the ratio increased. However, the number of cucumbers in the experimental area is still higher than that in the experimental area, and the secretions of citrus psyllid also have some attractive effects on the new cucumbers. The test environment open to simulate the natural state. In the case of mixed citrus psyllid insects, Siberian cucumeris has its search capability.