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在室内自然变温条件下研究表明，苜蓿叶象甲（ＨｙｐｏｅｒａｐｏｓｔｉｃａＧｙｌｌ．）全世代的发育起点温度为１４．０６℃，有效积温为４２０．６６日度，其在乌鲁木齐老满城地区全年发生的理论代数为２．６９代，与实际发生２－３代一致。
The study of natural indoor temperature showed that the developmental starting temperature of HypoeraposticaGyll. Was 14.06 ℃ and the effective accumulated temperature was 420.66 days. The theoretical algebra of HypoeraposticaGyll. In Laomancheng area of Urumqi was 2.69 generation, consistent with the actual occurrence of 2-3 generations.