DISTRICT CONCENTRATED SEARCH TYPE NATURAL ENEMY FORMULATION

摘要

PROBLEM TO BE SOLVED: To develop and provide a natural enemy formulation having a high initial colonization rate after release, without increasing cost or labor.SOLUTION: There is provided a district concentrated search type natural enemy formulation having high fixability, obtained by extracting an individual having a low grade 35% of walking and/or flying active mass per constant time, in a population comprising an individual group of a natural enemy for biological control.SELECTED DRAWING: Figure 1