Ewais, Mohamed Arafa. <br/><br/>
Studies on the natural enemies of the beet leaf-miner pegomya mixta (Villen) (Diptera : Anthomyiidae)  [microform] / 
 دراسة عن الاعداء الطبيعية لذبابة البنجر بيجوميا مكستا (ديبترا: أنثومييدى). 
Mohamed Arafa Ewais. 
 -  1990. 
 - 89 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)-- Suez Canal University, 1990. 
<br/><br/>Includes bibliographical references (leaves 80-89) 
<br/><br/><br/>Microfiche. <br/>ASUNET, <br/>Ain Shams University, <br/>3 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sugar beet--Diseases and pests--Control.<br/>Insect pests--Biological control.<br/>Anthomyiidae.