贴梗海棠枝桠横斜,花色艳丽,光彩灼目,果实芳香宜人,花期3至4月,为园林中重要的早春观花灌木,也是优良的花果类盆景树种。下面就其常见虫害的发生规律及防治加以介绍:1、军配虫俗称梨花网蝽、花编虫、小臭大姐。华北地区一年发生3至4代,以成虫在落叶、翘皮、土块缝隙等处越冬。4、5月开始为害,直至10 Sticky Begonia twig oblique horizontal, bright colors, glitz, the fruit fragrant, flowering from March to April, is an important ornamental shrubs in the garden in early spring, but also an excellent flower tree bonsai species. The following pests and its prevention and control of the common law to be introduced: 1, Pest Insects commonly known as Pear bug, flower budworm, small smelly big sister. Occurred in North China 3 to 4 generations a year to adults in the leaves, Alice skin, soil crevices and other winter. April and May began to harm, until 10