Dendrolimus kikuchii sex attractant and attracting core and method of preparing the same

Abstract

The invention discloses a Premna Dendrolimus attractant and induced core and making method, which comprises the following parts corresponding to the weight percentage of attractant: 40%-80% cis-5, trans-7-dodecadiene acetate, 35%-10% cis-5, trans-7-dodecadienol, 12. 5%-5% cis-5, trans-7-dodecadiene propionic ester and 12. 5%-5% cis-5-dodecadiene acetate, wherein the Dendrolimus attractant can be dissolved in the hexane or heptane solution to make the density at 20-60mg / ml, which is added on the diaphragm of cuff-typed composite rubber carrier; the attractant can induce male moth during the entire adult stage, which makes female moth loss mating opportunity. The invention can predict and forecast the occurrence of pest, which reduces quantity of the next generation quantity with simple method to be spreaded widely.

Description

technical field

[0001] The invention relates to an attractant for the monitoring and control of pine caterpillars, in particular to an attractant and lure core for monitoring and control of simao pine caterpillars with applied pheromones and a preparation method thereof. Background technique

[0002] Population monitoring and forecasting of forest pests is an extremely important part of pest control. Due to the large distribution area of ​​the forest and the changeable topography and topography, manual direct investigation is often limited, so it is often impossible to grasp the insect situation in time, resulting in a large outbreak of pests. Many insects secrete sex pheromones and use them to lure individuals of the opposite sex of the same species for mating purposes. Sex pheromones are usually composed of more than one chemical substance with a specific structure in a certain proportion. Because of their importance in pest monitoring and control, many insect sex pherom...