Grain surface trapper

Abstract

The invention relates to a grain surface trapper. The grain surface trapper comprises a trapping probe tube used for being inserted into a grain pile during use; the upper end of the trapping probe tube is connected with a grain surface trapping part arranged on the upper side of the surface of the grain pile during use; the grain surface trapping part comprises an inner side shell and an outer cover covering the periphery of the inner side shell; an inner cavity of the inner side shell communicates with the trapping probe tube; an annular trapper interlayer which gradually gets close to the center of the inner side shell from bottom to top is formed between the inner side shell and the outer cover, and the distance between the annular trapper interlayer and the inner side shell is gradually reduced; the bottom of the outer cover is higher than the bottom of the inner side shell; a shell pest trapping hole for communication between the inside and the outside of the inner side shell is formed in the shell wall of the inner side shell; the outer circumferential surface of the inner side shell is composed of a plurality of arch sections which are sequentially connected in the circumferential direction, and the middles of the arch sections protrude towards the outer cover; and a circumferential trapping path which is gradually narrowed from the two sides of the circumferential direction to the middle is formed between each arch section and the corresponding inner circumferential surface of the outer cover. The grain surface trapper provided by the invention can be used for trapping pests by utilizing the climbing characteristic and the hiding characteristic of the pests.

Description

technical field [0001] The invention relates to a trap for grain noodles in the technical field of pest trapping in the grain storage field. Background technique [0002] During the storage of grain, it is easy to produce stored grain pests. Among them, reptile pests such as grain beetles, rice weevils, corn weevils, rusty red beetles, red beetles, book lice, etc. Traps are used to trap such pests. main means. [0003] Existing traps such as "a pest trap" disclosed in Chinese patent CN110089506A, this trap includes a cylindrical trap body, the wall of the trap body is provided with trap holes, the trap body includes up and down sequentially Connected trapping section, insect filter section, statistics section and insect storage section, the insect trap hole is set on the trapping section, the insect filter section includes a filter disc arranged in the center of the trap main body, and the insect filter section also includes On the inner wall of the main body, the upper an...

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