小茧蜂

膜翅目小茧蜂科（Ｂｒａｃｏｎｉｄａｅ）昆虫之通称，简称茧蜂.与姬蜂近似，多为小型种类，腹部短宽.为鳞翅目、鞘翅目、 同翅目、 双翅目中多种害虫的天敌.幼虫在寄主体内化蛹或老熟后钻出，在寄主体表结成黄色或白色小茧化蛹，有时数十只集聚一起.如菜粉蝶绒茧蜂（Ａｐａｎｔｅｌｅｓｇｌｏｍｅｒａｔｕｓ），长约３毫米，寄生于菜粉蝶幼虫体内，幼虫老熟后在寄主体表结许多黄色小茧. 麦蚜茧蜂（ＥｐｈｅｄｒｕｓｐｌａAｇｉａｔｏｒ），在麦蚜、桃蚜等体内化蛹.每个蚜虫体内只有１头蜂，寄主颜色变深并膨硬如球，羽化时自腹部背面咬穿１圆孔飞出另寻寄主. 中华茧蜂（Ｂｒａｃｏｎｃｈｉｎｅｎｓｉｓ），长约４毫米，是稻螟和 甘蔗螟虫常见的寄生蜂.Hymenoptera small Braconidae (Braconidae) of the known insect, known Haliday. With similar Ichneumonidae, mostly small species, abdomen shorter width. For the Lepidoptera, Coleoptera, Homoptera, Diptera in a variety of natural enemies of pests. larvae pupate in the host body or old cooked drilled in the host body surface to form a small yellow or white cocoon to pupate, which brought together dozens of times. such as the cabbage butterfly Apanteles (Apantelesglomeratus), about 3 mm, parasitic on the cabbage butterfly larvae, the larvae mature and old host surface after the junction of many small yellow cocoon. avenae Haliday (EphedrusplaAgiator), in the wheat aphid, green peach aphid and other body pupate. the body is only one of each aphid bee, host become darker in color and swollen as hard as balls, eclosion from the abdomen, wearing a hole on the back of biting fly out to find another host. China Haliday (Braconchinensis), about 4 mm, is rice borer and sugarcane borer common parasitic bee.