[昆虫]六月金龟(Phyllophaga,美国产褐色大甲虫)[亦作 June bug];
Large greenish June beetle of southern United States.
美国南部大型并发绿色的六月鳃金龟。
Adult beetle emerged from mid-May to the first ten days of October, and oviposited in early June. The developmental threshold temperature of egg was 14.66 ± 0.5 ℃, and its effective accumulated temperature was 41.7 ± 20.85 degree-day.
成虫在5月中旬至10月上旬发生,6月初开始产卵,卵的发育起点温度为14.66±0.5℃,有效积温为41.7±20.85日·度,在25℃下卵期平均为3.69±0.25d;
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