福建省四种潜蛀豆秆蝇类的鉴别

<正> 作者在进行福建省豆类害虫及天敌种类调查中,采得我省潜蛀为害豆秆的四种潜蝇,它们是豆秆黑潜蝇 Melanagromyza sojae(Zehntner),长气门黑潜蝇(豆梢黑潜蝇)Melanagromyza dolichostigma(de Meijere),豆根皮蛇潜蝇(豆秆蛇潜蝇)Ophiomyiacentrosematis(de Meijere)和菜豆蛇潜蝇 Ophiomyia phaseoli(Tryon)。前三种为害大豆,后者为害长豇豆,其中以豆秆黑潜蝇发生最为普遍。考虑到前人所报道的我省潜

IDENTIFICATION OF 4 SPECIES OF BEAN AGROMYZID FLIES COLLECTED FROM THE FUJIAN PROVINCE

Four species of bean agromyzid flies boring and tunnelling the stems and rootstocks of leguminous crops were collected from the Fujian Province. They are Melanagromyza sojae,M.dolichostigma,Ophiomyia centrosematis and O.phaseoli.Among them,the first 3 attack soybean plants and the last one is only harmful to cowpea,Vigna sesquipedalis(L.)F.In this paper the distinguishing characters of their larval,pupal and adult stages as well as the damage caused by them are given in charts and well illustrated. Efforts have been made by the author to discern existed previous confusions in literatures about them,as they wcre wrongly reported by some prede- cessors in the province.