食蚜蝇属Syrphidae属、双翅目Cyclo-rrhapha、无缝组Aschiza,种类很多。其捕食性种类的幼虫能大量捕食蚜虫、介壳虫、粉虱、叶蝉、蓟马、鳞翘目小幼虫等,是果园中一些害虫的重要天敌。成虫产卵于蚜群或其附近,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,1头幼虫一生约食蚜虫数百个至数千 Syrphidae, Diptera, Cyclo-rrhapha, Aschiza, a wide variety. The predatory species of larvae can predate aphids, scale insects, whiteflies, leafhoppers, thrips, scales scales small larvae, etc., is an important natural enemy of some pests in the orchard. Adult spawning in the aphid group or its vicinity, each female spawning hundreds of grains to hundreds ranging from larvae immediately after hatching catch aphids, Meng suck its juice, a larvae eat about aphids hundreds of life To thousands