Serag El-Dien, F. Sh. <br/><br/>
Efficiency of some natural oils and chemical substances against the mite, Varroa jacobsoni (Oud.) infesting honeybee in different localities in Egypt  [electronic resource]. 
 تقييم بعض الزيوت الطبيعية والمواد الكيميائية فى مكافحة طفيل الفاروا على نحل العسل. 

 - p.6921-6925. 
<br/><br/>Includes reference. 
<br/><br/> The present study was conducted at the apiary of Sakha, Agricultural Research Station, Kafr EL-sheikh and the apiary of Gimeza, Agricultural Research Station, El-Gharbia Governorate during 2003 season to evaluate the efficiency of five natural oils, i.e., clove, menthol, anise, citrus and comphor oil (1 & 2 cm³/hive) comparing with formic acid 60% and oxalic acid (40 gm/Liter) for controlling varroa mite. All tested materials reduce mite population. Formic acid, oxaliC acid and clove oil were the most effective material on mites (98.40. 96.70 & 91.0% reduction) after the fourth week of treatment; respectively. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Honeybee--Parasites--Control.<br/>Varroa jacobsoni--Control.