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在云南省普洱市,短毛切梢小蠹[Tomicus brevipilosus(Eggers)]是思茅松[Pinus kesiyavar.langbianensis(A.Chev.)Gaussen]主要的蛀干害虫之一。本文报道了短毛切梢小蠹在普洱市的生物学特性。短毛切梢小蠹在普洱市1年发生1代,前后两代在冬春季有部分重叠。该虫1月上旬陆续开始羽化,3月下旬羽化结束。成虫羽化后即蛀食枝梢,直到11月开始转干繁殖。短毛切梢小蠹在普洱没有越冬习性。蛀干期从11月至次年3月。
In Pu’er, Yunnan Province, Tomicus brevipilosus (Eggers) is one of the major stem-boring pests of Pinus kesiyavar.langbianensis (A.Chev.) Gaussen. This paper reports the biological characteristics of Puccinia striatus in Pu’er. Short-bred Beetles in Pu’er City, a generation occurred in 1 year, before and after two generations in winter and spring have some overlap. The insects begin to emerge gradually in early January and end in March. After the emergence of adult worms eat shoots, until November began to dry breeding. Short-bred Beech troglodytes in Pu’er have no habit of overwintering. Moring period from November to March next year.