The wheat leaf bee is a generation in our region. It mainly feeds the wheat leaves with larvae. It begins to bite by the tip of the leaf and the edge of the leaf. The leaves are eaten into nicks. In severe cases, only the main veins are left, which seriously affects the normality of wheat. Growing.
1, agricultural control: the use of larvae's suspended animation, artificial killing in the evening.
2, chemical control: wheat leaf bee should be mastered before the larva 3 years old (generally before and after heading) application. Use 50% phoxim emulsifiable concentrate 30-50 ml or 4.5% beta-cypermethrin EC 1500 times per acre.
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