落叶松叶蜂Ｐｒｉｓｔｉｐｈｏｒａｅｒｉｃｈｓｏｎｉ（Ｈａｒｔｉｇｉ）在黑龙江省鸡西地区１年１代。８月中旬以茧内老熟幼虫在枯枝落叶层３～５ｃｍ表土层下越冬。翌年６月初开始化蛹，７月中旬为盛期，８月上旬结束。６月中旬成虫开始羽化，７月中旬为盛期，８月中旬结束。成虫于６月下旬产卵，７月中旬为盛期，８月中旬结束，卵期平均６ｄ。卵于７月上旬开始孵化，７月下旬为盛期。幼虫共５龄，雌雄比２０∶１，该虫６％的个体有滞育现象。寄生性天敌昆虫有７种，虫生真菌１种，捕食性蚂蚁２种。 Larch leaf bee Pristiphoraerichsoni (Hartigi) 1 year in Jixi, Heilongjiang Province. In mid-August cocoon mature larvae in the litter layer 3 ~ 5cm topsoil wintering. Pupae begin to bloom in early June of the following year, mid-July is the peak, and end in early August. In mid-June, adults began to emerge, mid-July for the peak, mid-August. Adult in late June spawning, mid July for the peak, mid-August, the average egg 6d. Eggs began to hatch in early July, late July for the peak. Larva a total of 5 age, male to female ratio of 20: 1, 6% of the individual diapause. There are 7 kinds of parasitic natural enemy insects, 1 kinds of entomogenous fungi, 2 kinds of predatory ants.