食蚜蝇科 Syrphidae 属双翅目 Cyclorr-hapha、无缝组 Aschiza,种类很多。捕食性种类的幼虫能大量捕食蚜虫、介壳虫、粉虱、叶蝉、蓟马、鳞翅目小幼虫等,是果园中一些害虫的重要天敌类群。成虫产卵于蚜群中或其附近,每雌产卵百余粒至数百粒不等。幼虫孵化后立即以口器抓住蚜虫,猛吸其汁液,一头幼虫一生约食蚜虫数百至数千 Syrphidae Syrphidae is a genus of Diptera, Cyclorr-hapha, with a wide variety of Aschiza species. Predatory species of larvae can predate aphids, scale insects, whiteflies, leafhoppers, thrips, lepidopteran larvae, etc., is an important orchard of some pests predators. Adult eggs in the aphid group or in the vicinity of each female spawning hundreds to hundreds of tablets ranging. Larvae immediately after hatching aphid caught mouthparts, Meng suck its juice, a larvae life about aphids eat hundreds to thousands