Small prominent Micromelalopha troglodyta ( Graeser) occurs 5genera- tions a year in Xi′an,Shaanxi Province and overwinters as pupa in the litter.The adults of overwinter generation emerges in mid- April,the larvae damage mainly in the period from July to August,the pupa of five generation emerges in the early and mid- October and overwinters.Spraying2 5% Benzoylphyure as No.3 2 0 0 0× can control effectively the larvae of the second and third generation of the insect.
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