李实蜂是为害李果实的主要害虫。大发生年份在防治不利的情况下,虫果率达95%以上,造成绝产。李实蜂属叶蜂科。成虫体小,黑色。雌虫6—8毫米,翅展12毫米,雄虫略小。老熟幼虫体长9—10毫米,在果内弯曲状,黄白色,胸足3对,发达,腹足小,7对,爬行迅速。卵乳白色,长0.8、宽0.6毫米。以老熟幼虫在土表下或土逢中结茧越夏,越冬,翌年李树萌芽时化蛹,开花时羽化成虫(唐山4月中旬)。蜂于晴天11时—16时在李树上空1米左右处成群飞舞,时而采食花粉并产卵于花托或花萼表皮下。卵孵化 Li Shi bee is the main pest damage Lee fruit. In the case of unfavorable conditions of prevention and control, the rate of insect fruit reached more than 95%, resulting in a total loss of production. Lee solid wasp leaf bee family. Adult body is small, black. Female 6-8 mm, wingspan 12 mm, male slightly smaller. Mature larvae body length of 9-10 mm, curved in the fruit, yellow and white, chest and foot 3 pairs, developed, gastropods small, 7 pairs, crawling rapidly. Egg white, length 0.8, width 0.6 mm. To mature larvae in the soil surface or earth in the cocoon of the more summer, winter, the next year when bud sprouting pupation, flowering feather adult (Tangshan in mid-April). Bees in the sunny at 11 o’clock at 16 o’clock in the sky about 1 meter flocks flying around, sometimes feeding pollen and spawn in the receptacle or calyx epidermis. Egg hatching