METHOD FOR BIOLOGICAL PROTECTION OF AGRICULTURE CULTURES FROM CLICK BEETLES Russian patent published in 2006 - IPC A01G13/00 A01N63/00 A01K67/33 

FIELD: agriculture, in particular biological methods for pest controlling.

SUBSTANCE: For 7-10 days before birth of beetle females mass collection of beetle mails is carried out with pheromone traps in amount of 1 trap per 3-4 hectares. Said mails are sterilized with 1 % aqueous solution of chemosterilant with 0.001 % surfactant at exposure of 20 s and introduced into natural population of depredator in ratio of sterile and fertile persons of 1:1 which is maintained for 14-16 days during female birth and coupling.

EFFECT: essentially decreased beetle population without losses of ecological balance.

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