The present invention relates to novel
pyrazine-derived compounds and to the use thereof as a biocontrol agent, in particular as a
springtail attractant. These compounds are intended to be used in the biocontrol of phytopathogenic fungi affecting cereal crops, and in particular for the treatment and prevention of
fusarium wilt and
Septoria blotch in wheat. The application of these compounds to an area or a
plant to be treated makes it possible to attract the springtails that are naturally present in an
ecosystem, and these springtails will consume phytopathogenic fungi that cause these diseases, thus considerably and significantly reducing the surface area occupied by these pathogens, and consequently the diseases. The invention relates to a natural
pheromone identified in H. nitidus, 3-methoxy-2-(1-methylpropyl)-5-(2-methylpropyl)
pyrazine and the synthetic analogues thereof.