Sex attractant of fall webworm, use thereof, luring core and preparation method

Abstract

The invention provides a sex attractant for a fall webworm, which comprises the following synthetic sex pheromone components of the fall webworm: (9Z, 12Z and 15Z)-octadecatrienal,(3Z, 6Z, 9S and 10R)-9, 10-epoxy-3, 6-heneicosadiene, and (3Z, 6Z, 9S and 10R)-9, 10-epoxy-1, 3, 6-heneicosatriene. The invention also provides concrete application of the sex attractant for the fall webworm. The invention also provides a lure using the sex attractant for the fall webworm and a method for preparing the lure. The attractant is used for monitoring fall webworms or interfering the mating as well as trapping and killing in a large quantity to control in fall webworm occurrence areas, can be used for detecting whether the species invades in non-occurrence areas, and has the advantages of high-efficiency, cheap and nuisanceless trapping and killing.

Description

technical field [0001] The invention belongs to the field of agricultural and forestry medicines, and further, the invention belongs to the field of pest trapping medicines. Specifically, the present invention relates to a sex attractant for white moth, a specific use of the attractant for white moth, a method for preparing a lure using the attractant for white moth, and the lure obtained. Background technique [0002] The American white moth (Hyphantria cunea Drury) is a kind of leaf-feeding pest that seriously harms forests. It is listed as a worldwide quarantine object. This pest will cause harm to crops and forests in the epidemic area, and cause great economic losses. As a worldwide quarantine pest, the American white moth is native to North America and widely distributed in the northern United States, southern Canada and Mexico. Since the late 1940s, it has spread to Europe and Asia through human activities and vehicles. The American white moth invaded Liaoning, my co...

AI Technical Summary

Problems solved by technology

At present, the Beijing Forestry Protection Station uses imported American white moth lures to monitor the occurrence of the insect in Beijing and surrounding areas. This lure has certain trapping activity, but it is expensive and difficult to popularize and apply on a large scale

In addition, the inventors, through research on the gonads of the American white moth female moths that occurred in China, found that the types of the sex pheromones in the imported lures and the ratios between the compounds were all the same as those in the gonads of the American white moths in my country. The actual situation is quite different, which will undoubtedly affect the trapping effect of the lure, which is the second biggest defect besides the high price

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