In recent years, some secondary pests in the forestry industry have risen to become major pests, causing new hazards to continue to emerge. This is mainly due to factors such as the increasing number of host species and the increasing area. In order to strengthen the forecasting and forecasting work of forest pests, the main forest pests were tested by the light insect test report using the automatic insect test light, and a large amount of data was obtained, which achieved satisfactory results.
Regularly determine the types and quantities of trapped insects and statistical records. The automatic insect detection lamp is collected once a week, and the automatic insect detection lamp is collected in time after the daylight is turned off. After collection, the types and quantities of insects trapped every day are counted according to the lights, especially the detailed statistics of the main forest pests. To effectively grasp the dynamics of its occurrence and development. In order to compare the effects of the two light traps, the amount of traps per 10 days is accumulated.
For the prediction and prediction analysis of the dead leaf moth and the blue-eyed hawk moth, a total of 814 dead leaf moths and 386 blue-headed moths were trapped during the period. It can be seen from the change of the number of attracting insects that the initial stage of the dead leaf moth is in May, the peak period is in August, and the ending period is in September; the adult larvae of the blue-headed moth appear in late April, respectively in May. There were two peaks in July and the end of the period in mid-August, which is very consistent with the actual development and changes in the region over the years. It can be seen that the use of automatic insect detection lamp can grasp the development of some adults, and predict the occurrence period of larvae according to the change of the number of adults induced by the lamp, so as to provide a basis for timely guidance and prevention.
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