Cholesterin as an index component to control the quality was detected by RP-HPLC, the average content of the cholesterin in five kinds Dung Beetle was 0.3381%.

以胆甾醇为指标性成分进行质量控制，采用反相高效液相色谱法对其进行了含量测定，五批蜣螂药材中胆甾醇的平均含量为0.3381%。

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In Massachusetts, surveying found five infested trees within a two-mile radius of where the beetle turned up in Dalton.

WSJ: Mass. creates quarantine zone to contain insect