小茧蜂是膜翅目小茧蜂科昆虫。

介绍

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.

HymenopterasmallBraconidae (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 thehostbodyor old cooked drilled in the host body surface toform asmall yellow orwhitecocoon to pupate, which brought together dozens oftimes. such as thecabbagebutterflyApanteles (Apantelesglomeratus), about 3 mm, parasitic on the cabbage butterfly larvae, the larvae mature and old host surfaceafterthe junction of many small yellow cocoon. avenae Haliday (EphedrusplaAgiator), in thewheataphid, green peachaphid and other body pupate. the body is only one of each aphidbee, host become darker in color and swollen ashardas balls, eclosion from the abdomen, wearing a hole on the back of biting fly out tofindanother host.ChinaHaliday (Braconchinensis), about 4 mm, is rice borer andsugarcaneborer common parasitic bee.